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Manual Cisco Systems 903

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  • Cisco Systems 903 - page 1

    Cisco Systems, Inc. www.cisco.com Cisco has more than 200 offices worldwide. Addresses, phone numbers, and fax numbers are listed on the Cisco we bsite at www.cisco.com/go/ offices. Cisco A SR 903 Router Hardw are Installation Guide June 20 13 Text Part Number: OL -25178-04 ...

  • Cisco Systems 903 - page 2

    THE SPECIFICATION S AND INFORMAT ION RE GARDIN G TH E PRODU CTS IN THIS MANU AL A RE SUBJ ECT T O CHAN GE W ITHOUT N OTICE. ALL STATEMENTS , INFORMATION, AND RECOMMEN DATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESEN TED WITHOU T WARRANTY OF ANY KIND, EX PRESS OR IMPLIED. USER S MUST TAKE FULL RESPONSI BILITY FOR THEIR APPLICAT ION ...

  • Cisco Systems 903 - page 3

    iii Cisco ASR 903 Router Hard ware Installation G ui d e OL-25178-04 CONTENTS About this Book ix Document Revision History ix Document Audience ix Document Organization x Document Conventions x Obtaining Documentation and Submitting a Serv ice Request xi CHAPTER 1 Cisco ASR 903 Router Overview 1-1 Cisco ASR 903 Router Fe atures 1-1 System Specifica ...

  • Cisco Systems 903 - page 4

    Contents iv Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 CHAPTER 2 Preparing for Installation 2-1 Safety Guidelines 2-1 Standard Warning Stateme nts 2-2 Safety Guidelines for Personal Safe ty and Eq uipment Protection 2-3 Safety Precautions for Module Installation and Removal 2-3 Safety with Electricity 2-4 Power Supply Consideratio ...

  • Cisco Systems 903 - page 5

    Contents v Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Installing the Chassis Ground Connection 3-5 Installing the Fan Tray 3-8 Removing and Replacing the Fan Tray 3-8 RSP Installation 3-10 Installing an RSP Module 3-11 Removing an RSP Module 3-12 Hot-Swapping an RSP Module 3-13 Interface Module Installation 3-14 Installing an Inte ...

  • Cisco Systems 903 - page 6

    Contents vi Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Connecting Cable s to a GPS Interface 3-38 Connecting Ethernet Cab les 3-39 Connecting Cable s to SFP Modules 3-40 Connecting T1/E1 cables 3-40 Installing the Cable Conne c tor 3-40 RJ45 Cable Pinouts 3-41 Connecting Ca ble s to the Patch Panel 3-41 Recommended Patch Pane l 3- ...

  • Cisco Systems 903 - page 7

    Contents vii Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 OC-3 Interface Module LEDs 5-9 T1/E1 Interface Module LEDs 5-9 Power Supply LEDs 5-10 Fan Tray LEDs 5-10 Alarm Conditions 5-11 CHAPTER A Site Log A-1 I NDEX ...

  • Cisco Systems 903 - page 8

    Contents viii Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 ...

  • Cisco Systems 903 - page 9

    -ix Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 About this Book The preface descri bes the re vision history , audience, or ganization, and con ventions of Cisco AS R 903 R o u t e r H a rd w a re I n s t a l l a t i o n G u i d e . It also lists sources for obtaining addi tional information and technical assistance from Cisco Sys ...

  • Cisco Systems 903 - page 10

    -x Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter Document Organization This guide includes th e follo wing chapters and appendix: Document Conventions This document uses the f ollo wing con venti ons: Note Means reader take note . T itle Description Chapter 1, “Cisco ASR 903 Router Over vie w” This chapter provides an ov ...

  • Cisco Systems 903 - page 11

    -xi Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter Ti p Means the following informatio n will help you solve a pr oblem . Caution Means reader be car e ful . In this situation, you might perform an action t hat could result in equipment damage or loss of data. T imesaver Means the described action saves time . Y ou can sa ve ...

  • Cisco Systems 903 - page 12

    -xii Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter ...

  • Cisco Systems 903 - page 13

    CH A P T E R 1-1 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 1 Cisco ASR 903 Router Overview The Cisco ASR 903 Router is a fully-featured ag gre gation platfo rm design e d for the cost-effecti ve deli very of con ver ged mobile and business services. W ith shallo w depth, lo w power consumption, and an extended temperature range, ...

  • Cisco Systems 903 - page 14

    1-2 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 1 Cisco ASR 903 Router Overview Cisco ASR 903 Router Features • Side-to-side forc ed air cool ing • T emperature range of -40 to 149 de grees F (-40 to 65 degrees C) with DC po wer supply • T emperature range of -32 to 104 de grees F (0 to 40 degrees C) with A C po wer s ...

  • Cisco Systems 903 - page 15

    1-3 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 1 Cisco ASR 903 Router Overview Cisco ASR 903 Router Features Power Supply Features The Cisco ASR 903 Router support A C and DC po wer supplies. F or more information ab out installing the Cisco ASR 903 Router po wer supplies, see the Installing the Po wer Supply , page 3-17 ...

  • Cisco Systems 903 - page 16

    1-4 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 1 Cisco ASR 903 Router Overview Cisco ASR 903 Router Features • A C Power Specif ications, page 1-5 Redundancy The Cisco ASR 903 Router chassis includes a slot f or an optional redundant po wer supply . The redundant po wer supply option pro vides a second, identical po wer ...

  • Cisco Systems 903 - page 17

    1-5 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 1 Cisco ASR 903 Router Overview Cisco ASR 903 Router Features AC Power Specifications Fan Tray The Cisco ASR 903 Router uses a modu lar fan tray t hat is separate fr om the po wer supply . The fan tray contains twelve fans and pro vides suff icient capacity to maintain operat ...

  • Cisco Systems 903 - page 18

    1-6 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 1 Cisco ASR 903 Router Overview Cisco ASR 903 Router Features Figure 1-2 sho ws the fan tray . Figur e 1 -2 Cisco ASR 903 Rout er Fan T ray For mor e informat ion about air flo w gui delines, see Air Flo w Guidelines, pa ge 2-11 . For instructions on ho w to install the fan tr ...

  • Cisco Systems 903 - page 19

    1-7 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 1 Cisco ASR 903 Router Overview Cisco ASR 903 Router Features • T raff ic management, including b u ff ering, que uing, and schedu ling, Ethernet MA C functions • Network cl ocking functions includin g phase and time-of-day for BITS, 1 PPS, 10 MHz, and 1588 PTP clock refe ...

  • Cisco Systems 903 - page 20

    1-8 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 1 Cisco ASR 903 Router Overview Cisco ASR 903 Router Features Network Timing Interfaces The RSP supports the follo wing network timing in terfaces: • BITS input/output port —RJ48 jack • 1 PPS input and output—Mini coax connectors • 2.048 or 10 MHz input an d output? ...

  • Cisco Systems 903 - page 21

    1-9 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 1 Cisco ASR 903 Router Overview Cisco ASR 903 Router Features Interface Modules In addition to the por ts provided on an RSP , the Cisco A SR 90 3 Router supports the following interface modules: • Gigabit Ethernet SFP Inte rface Module, page 1- 9 • Gigabit Ethernet RJ45 ...

  • Cisco Systems 903 - page 22

    1-10 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 1 Cisco ASR 903 Router Overview Cisco ASR 903 Router Features • GLC-FE-100LX • GLC-FE-100LX-RGD • GLC-FE-100ZX • GLC-LH-SMD • GLC-LH-SM-RG D • GLC-SX-MMD • GLC-SX-MM-RGD • GLC-TE • GLC-ZX-SMD • GLC-ZX-SM-RG D • SFP-GE-L • SFP-GE-S • SFP-GE-T • SFP- ...

  • Cisco Systems 903 - page 23

    1-11 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 1 Cisco ASR 903 Router Overview Cisco ASR 903 Router Features 10 Gigabit Ethernet XFP Interface Module The 10 Gigabit Ethernet XFP interf ace module pro vides a si ngle port support ing a 10 Gigabi t Ethernet XFP module. Figure 1-6 sho ws the interface module. Figure 1 -6 1 ...

  • Cisco Systems 903 - page 24

    1-12 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 1 Cisco ASR 903 Router Overview Cisco ASR 903 Router Features • D WDM-XFP-46.92 • D WDM-XFP-47.72 • D WDM-XFP-48.51 • D WDM-XFP-50.12 • D WDM-XFP-50.92 • D WDM-XFP-51.72v • D WDM-XFP-52.52 • D WDM-XFP-54.13 • D WDM-XFP-54.94 • D WDM-XFP-55.75 • D WDM-XFP ...

  • Cisco Systems 903 - page 25

    1-13 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 1 Cisco ASR 903 Router Overview Cisco ASR 903 Router Features T1/E1 Interface Module The T1/E1 interface mod ule provides connecti vity for up to 16 T1/E1 ports throu gh a 100-pin Amplimite connector . The T1/E1 interface module requires the us e of a patch panel to pro vide ...

  • Cisco Systems 903 - page 26

    1-14 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 1 Cisco ASR 903 Router Overview Cisco ASR 903 Router Features OC-3 Interface Module The OC-3 interface module can operat e as up to four STM-1 interf aces. Note The optical interface modu le is designed for OC-3 and OC-12 traf fic, but OC-12 functionality is not currently sup ...

  • Cisco Systems 903 - page 27

    1-15 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 1 Cisco ASR 903 Router Overview Interface Numbering Temperature Sensor The Cisco ASR 903 Router has a temperature sensor to detect o vertemperature condit ions inside the chassis. The ov ertemperature detection trips at 75 degrees C +/- 5% wit h the ambient (inlet) tri p poi ...

  • Cisco Systems 903 - page 28

    1-16 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 1 Cisco ASR 903 Router Overview Regulatory Compliance Figure 1-10 sho ws interface numb ering in a Cisco ASR 903 Router. Figur e 1 -1 0 Cisco ASR 903 Rout er Slot Number s Follo wing is an explan ation of the slot or port nu mbering: • Th e n u m b e r i n g f o r m at i s ...

  • Cisco Systems 903 - page 29

    CH A P T E R 2-1 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 2 Preparing for Installation The following sections de scribe how to prepare for the installation of the Cisco ASR 903 Router at your site: • Safety Guidelines, page 2-1 • Site Planning, page 2-9 • Receiv ing the Cisco ASR 903 Router , page 2-19 Safety Guidelines B ...

  • Cisco Systems 903 - page 30

    2-2 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 2 Preparing for Installatio n Safety Guidelines Standard Warning Statements T o see translations of the wa rnings that appear in this publication , refer to the Regulator y Compliance and Safety Information document that accompanied this device. War ni n g T o prevent bodily i ...

  • Cisco Systems 903 - page 31

    2-3 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 2 Pre paring for Installation Safety Guidelines Safety Guidelines for Personal Safety and Equipment Protection The follo wing guidelin es help ensure your safety and protect the equipm ent. Th is list does n ot include all the potentially hazard ous situations . Therefore, yo ...

  • Cisco Systems 903 - page 32

    2-4 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 2 Preparing for Installatio n Safety Guidelines War ni n g Invisible laser radiation may be emitted from disconnect ed fibers or connectors. Do not stare into beams or view directly with optical instruments. Statement 1051 Safety with Electricity War ni n g Before working on a ...

  • Cisco Systems 903 - page 33

    2-5 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 2 Pre paring for Installation Safety Guidelines War ni n g When you connect or disconnect the powe r and relay connector with power app lied, an electrical arc can occur . This could cause an explo sion in hazardous area in stallations. Be sure that power is removed from the ...

  • Cisco Systems 903 - page 34

    2-6 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 2 Preparing for Installatio n Safety Guidelines War ni n g Do not use this product near water; for example, near a bath tub, wash bowl, kitchen sink or laundry tub, in a wet basement, or near a swimming pool. Statement 1035 War ni n g Never install telephone jacks in wet locat ...

  • Cisco Systems 903 - page 35

    2-7 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 2 Pre paring for Installation Safety Guidelines War ni n g Hazardous voltage or energy may be present on DC power terminals. Alway s replace cover when terminals are not in service. Be sure uninsulated conductors are not a ccessible when cover is in place. Statement 1075 When ...

  • Cisco Systems 903 - page 36

    2-8 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 2 Preparing for Installatio n Safety Guidelines Power Supply Considerations Check the power at your site to en sure that you are receiving clean po wer (free of spikes and n oise). Install a po wer conditioner if necessary . War ni n g This equipment is designed for connection ...

  • Cisco Systems 903 - page 37

    2-9 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 2 Pre paring for Installation Site Planning Site Planning The follo wing sections d escribe how to plan for the installatio n of the Cisco ASR 903 Router: • General Precautions, page 2-9 • Site Planning Checklist, p age 2-9 • Site Selecti on Guid elines, pag e 2-10 • ...

  • Cisco Systems 903 - page 38

    2-10 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 2 Preparing for Installatio n Site Planning • Consideration has been gi ven to the console p ort wiring and li mitations of the cablin g in volv ed, according to TIA/EIA- 232F . • The Cisco ASR 903 Router Ethernet cablin g distances are within limitatio ns. • The equipm ...

  • Cisco Systems 903 - page 39

    2-11 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 2 Pre paring for Installation Site Planning Air Flow Guidelines Cool air is circulated th rough the Cisco ASR 903 Rout er by a fan tray located along the right si de of the router . Air flo w is side-to-side , right to left, as sho wn in “Cisco ASR 903 Router Chassis Air F ...

  • Cisco Systems 903 - page 40

    2-12 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 2 Preparing for Installatio n Site Planning Air Flow Guidelines for Enclosed Rack Installation T o install a Cisco ASR 90 3 Router in a 4-post en closed cabinet, the fr ont and rear doors of the cabi net must be remo ved or be perfor ated with a minimum of 65% open area (70% ...

  • Cisco Systems 903 - page 41

    2-13 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 2 Pre paring for Installation Site Planning The maximum po wer draw of the Cisco ASR 903 Router chassis and its con figur able hardware components a re listed in the foll owin g table. The maximum po wer draw v alues are not af fected by whether the router chassis contai ns ...

  • Cisco Systems 903 - page 42

    2-14 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 2 Preparing for Installatio n Site Planning The extent of yo ur netw ork and the distances between the network interf ace connections depend in part on the follo wing factors: • Signal type • Signal speed • T ransmission medium The distance and rate limits referenced in ...

  • Cisco Systems 903 - page 43

    2-15 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 2 Pre paring for Installation Site Planning If you use twisted- pair cable in your plant wiring with a good distrib ution of grounding co nductors, the plant wiring is unlik ely to emit radio interferen ce. If you exceed the recommended distances, use a high-quality twisted- ...

  • Cisco Systems 903 - page 44

    2-16 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 2 Preparing for Installatio n Site Planning The distance between the center lines of th e mounting holes on the tw o mounting posts must be 18.31 inches ± 0.06 inch (46.5 0 cm ± 0.15 cm). The rack-mounting hardw are included wit h the chassis is suitable for most 19-inch eq ...

  • Cisco Systems 903 - page 45

    2-17 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 2 Pre paring for Installation Site Planning • Use the show en vironment all comman d regularly to check the internal system status. The en vironmental monitor continually checks the i nterior chassis en vironment; it pro vides warnings about high temperature and create s r ...

  • Cisco Systems 903 - page 46

    2-18 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 2 Preparing for Installatio n Site Planning Installation Checklist T o assist you with you r installation and to pro vide a record of what was d one by who m and when, photocopy the Cisco ASR 903 Router Installation Check list sho wn in T able 2-1 . Use this to record the com ...

  • Cisco Systems 903 - page 47

    2-19 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 2 Pre paring for Installation Receiving the Cisco ASR 903 Router Creating a Site Log The Site Log provides a record of all the acti ons related to in stalli ng and mai ntainin g t he rout er . Keep it in an accessible place near the c hassis so th at anyone who performs task ...

  • Cisco Systems 903 - page 48

    2-20 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 2 Preparing for Installatio n Receiving the Cisco ASR 903 Router Chassis-Lifting Guidelines The chassis is not intended to be mo ved frequen tly . Be fore you install the system , ensure that your site is properly prepared so that you can av oid having to mo ve the chassis la ...

  • Cisco Systems 903 - page 49

    2-21 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 2 Pre paring for Installation Receiving the Cisco ASR 903 Router Note For more information on cable specif ications, se e Chapter 5, “T roubleshooting. ” • Ethernet hub or switch or PC with a netw ork interface car d for connecting to t he Ethernet ports • Console te ...

  • Cisco Systems 903 - page 50

    2-22 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 2 Preparing for Installatio n Receiving the Cisco ASR 903 Router Note Most Cisco documentation is a vailable onli ne. Documentation that i s shipped with your Cisco ASR 903 Router includes the Re gulatory Compliance and Safety Informat ion for the Cisco ASR 903 Router documen ...

  • Cisco Systems 903 - page 51

    CH A P T E R 3-1 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 3 Installing the Cisco ASR 903 Router This chapter describes how to install the Cisco AS R 903 Router and includes the following sections: • Prerequisites, page 3-1 • Installing the Router in a Rack, page 3-1 • Installing the Chassis Gro und Connection, page 3-5 ? ...

  • Cisco Systems 903 - page 52

    3-2 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 3 Installing the Cisco ASR 903 Router Installing the Router in a Rack Installing the Chassis Brackets The chassis is shipped with mounting brackets that can be inst alled on the front or rear of the chassis. T o install the brackets on the front of the chassis, perform these s ...

  • Cisco Systems 903 - page 53

    3-3 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 3 Insta lling the Cisco ASR 903 Router Installing the Router in a Ra ck Installing the Router Chassis in the Rack T o install the router chassis in the equipment rack, perform the se steps: Step 1 Position the chassis in the rack as follows: • If the front of the chassis (f ...

  • Cisco Systems 903 - page 54

    3-4 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 3 Installing the Cisco ASR 903 Router Installing the Router in a Rack Figure 3-5 Installing the Chassis in a 30 0 mm ETSI Ca binet Step 3 Install the 8 or 12 (4 or 6 p er side) 12-24 x 3/4-inch or 10 -32 x 3/4-inch scre ws through the holes in the bracket and into the threaded ...

  • Cisco Systems 903 - page 55

    3-5 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 3 Insta lling the Cisco ASR 903 Router Installing the Chassis Ground Connection Installing the Chassis Ground Connection Before you connect th e po wer or turn on the po wer to the Cisco ASR 903 Router, you must pro vide an adequate chassis ground (earth ) connection to your ...

  • Cisco Systems 903 - page 56

    3-6 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 3 Installing the Cisco ASR 903 Router Installing the Chassis Ground Connection T o ensure that the chassis g rou nd connection that y ou prov ide is adequate, you need the follo wing parts and tools: • Ratcheting torque scre wdriv er with Ph illips head that e xerts up to 15 ...

  • Cisco Systems 903 - page 57

    3-7 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 3 Insta lling the Cisco ASR 903 Router Installing the Chassis Ground Connection Step 3 Using a crimping tool (as specified by the ground lug manufacturer), crimp the ground lug to t he ground wire as shown in Figure 3-10 . Figur e 3-1 0 Cr imping a Ground Lug ont o the Gr oun ...

  • Cisco Systems 903 - page 58

    3-8 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 3 Installing the Cisco ASR 903 Router Installing th e Fan Tray Installing the Fan Tray The fan tray is a modular unit th at pro vides cooling to the Cisco ASR 903 Router. F ollo w these steps to install the fan tray in the chassis: Step 1 Orient the fan tray so that the capti ...

  • Cisco Systems 903 - page 59

    3-9 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 3 Insta lling the Cisco ASR 903 Router Installing the Fan Tra y Caution The router can stay acti v e for up to f i ve minutes if the temperatu re is belo w th e ambient limi t. Ho wev er , in the e v ent of an o v ertemperat ure alarm, the router can shu t do wn in less than ...

  • Cisco Systems 903 - page 60

    3-10 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 3 Installing the Cisco ASR 903 Router RSP Installation Step 3 Pull the fa n tray b ack w ard t o ward you no more than 1 inch to diseng ag e it from the po wer receptacle on the midplane, as shown in Fig ure 3-13 . Figur e 3-13 F an T ray Remo val War ni n g When removing the ...

  • Cisco Systems 903 - page 61

    3-11 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 3 Insta lling the Cisco ASR 903 Router RSP Installation Installing an RSP Module T o install an RSP module in th e router chassi s, perform the follo wing steps: Step 1 Choose a slot for the module. Make sur e that ther e is enough clearance to accommodate an y equipment tha ...

  • Cisco Systems 903 - page 62

    3-12 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 3 Installing the Cisco ASR 903 Router RSP Installation Step 7 V erify tha t the capti ve installation scre w s are tighten ed on all of the modules installed in the chassi s. This step ensures that the EMI gask ets on all the modules are fully compr essed in order to maximize ...

  • Cisco Systems 903 - page 63

    3-13 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 3 Insta lling the Cisco ASR 903 Router RSP Installation Step 5 Grasp the front edge of the module and slide the module straight out of the slot. If the chassis has horizontal slots, place your hand under the module to support its weight as yo u slide it out fro m the slot. D ...

  • Cisco Systems 903 - page 64

    3-14 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 3 Installing the Cisco ASR 903 Router Interface Module Installation • When inserting multiple IMs int o the chassis, wait until each IM reaches an OK sta te before inserting the next IM. Interface Module Installation The follo wing sections d escribe the v arious tasks of a ...

  • Cisco Systems 903 - page 65

    3-15 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 3 Insta lling the Cisco ASR 903 Router Interface Module Installation Caution Do not use interface mo dule and po wer supply ejector handles to li ft the chassis; using the handl es to lift the chassis can deform o r damage the handles. Removing an Interface Module Step 1 T o ...

  • Cisco Systems 903 - page 66

    3-16 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 3 Installing the Cisco ASR 903 Router Interface Module Installation Caution T o avo id erroneous failure messages, n ote the current conf iguration of all interfaces before you remov e or replace an interface module, an d allo w at least 2 minutes for the system to reinitiali ...

  • Cisco Systems 903 - page 67

    3-17 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 3 Insta lling the Cisco ASR 903 Router Installing the Power Supply Installing the Power Supply The Cisco ASR 903 Router router pro v ides the choice of two d iff erent po wer supplies: • DC po wer—19.2VDC to -72VDC The DC po wer supply uses 3 position terminal bloc k-sty ...

  • Cisco Systems 903 - page 68

    3-18 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 3 Installing the Cisco ASR 903 Router Installing the Power Supply Use the information in the “DC Po wer Specif ications” section on page 1-4 to estimate the power requirements and heat dissipation of a Ci sco ASR 903 Router based on a gi ven conf iguration of the router . ...

  • Cisco Systems 903 - page 69

    3-19 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 3 Insta lling the Cisco ASR 903 Router Installing the Power Supply Installing the DC Power Supply The follo wing sections d escribe how to install a DC po wer supply in the Cisco ASR 903 Router: • Installing the DC Po wer Supply Module, page 3-19 • Installing the T ermin ...

  • Cisco Systems 903 - page 70

    3-20 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 3 Installing the Cisco ASR 903 Router Installing the Power Supply Figur e 3-16 Installing the DC P ower Supply Step 5 T ighten the captive i nstallation scre ws of the power supply . The recommended maximum torque is 5.5 in.-lb (.62 N-m). If you are install ing a redundant DC ...

  • Cisco Systems 903 - page 71

    3-21 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 3 Insta lling the Cisco ASR 903 Router Installing the Power Supply Figur e 3-1 7 DC Po wer Su pply with Lead Wires Step 4 Insert the e xposed wire of one of the three DC-input po wer source wires into the terminal block plug . Make sure that y ou cannot see an y wi re lead . ...

  • Cisco Systems 903 - page 72

    3-22 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 3 Installing the Cisco ASR 903 Router Installing the Power Supply Step 5 Use a ratcheting torque scre wdri ver to torque t he t erminal block plug capti ve scre w (abo v e the installed wire lead) f ro m 4.4 25 in.-lb (.5 N-m) to 5.310 in -lb (.6 N-m) as sho wn in Figure 3-18 ...

  • Cisco Systems 903 - page 73

    3-23 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 3 Insta lling the Cisco ASR 903 Router Installing the Power Supply Caution Secure the wires co ming in from the terminal block plug so that they canno t be disturbed b y casual contact. Step 7 Ensure that the terminal block plug is full y seated in the terminal bl ock header ...

  • Cisco Systems 903 - page 74

    3-24 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 3 Installing the Cisco ASR 903 Router Installing the Power Supply • INPUT OK LED is green • OUTPUT F AIL LED is green If the LEDs indicate a po wer problem, see Chapter 5, “T roubleshoot ing. ” If you are installing a redundant DC power supply , ensure that each power ...

  • Cisco Systems 903 - page 75

    3-25 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 3 Insta lling the Cisco ASR 903 Router Installing the Power Supply Step 7 Replace the DC po wer supply within 5 minutes. If the po wer supply bay is to remain empty , install a blank f iller plate (Ci sco part number A900-PWR-B LANK) o ver th e opening, and secure it wi th t ...

  • Cisco Systems 903 - page 76

    3-26 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 3 Installing the Cisco ASR 903 Router Installing the Power Supply Activating the AC Power Supply Follo w these steps to activ ate the A C power supply: Step 1 Plug the po wer cord into the power supply . Step 2 Connect the other end of the po wer cord to an A C-input power so ...

  • Cisco Systems 903 - page 77

    3-27 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 3 Insta lling the Cisco ASR 903 Router Connecting the Cisco ASR 903 Router to the Ne twork Step 1 Disconnect the po wer cord from the power source. Do not touch the metal prongs on th e po wer cord when it is still connected to the p ower supply . Step 2 Remov e the po wer c ...

  • Cisco Systems 903 - page 78

    3-28 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 3 Installing the Cisco ASR 903 Router Connecting the Cisc o ASR 903 Router to the Network Connecting to the Serial Port using Microsoft Windows This procedure sho ws how to connect to t he serial port using Mi crosoft W indows. Note Install the USB de vice driv er before esta ...

  • Cisco Systems 903 - page 79

    3-29 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 3 Insta lling the Cisco ASR 903 Router Connecting the Cisco ASR 903 Router to the Ne twork Figur e 3-22 Connecting the USB Consol e Cable to the Cisco A SR 903 Router 1 USB T y pe-A consol e port 2 USB 5-pin mini USB T ype -B to USB T y pe-A console cable 3U S B T y p e - A ...

  • Cisco Systems 903 - page 80

    3-30 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 3 Installing the Cisco ASR 903 Router Connecting the Cisc o ASR 903 Router to the Network Connecting to the Console Port using Mac OS X This procedure describes how to connect a Mac OS X system USB port to the console using the b uilt in OS X T erminal utility . Step 1 Use th ...

  • Cisco Systems 903 - page 81

    3-31 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 3 Insta lling the Cisco ASR 903 Router Connecting the Cisco ASR 903 Router to the Ne twork Installing the Cisco Microsoft Windows USB Device Driver A USB device driv e r must be instal led the first time a Microso ft W indows-based PC is connec ted to the USB serial port on ...

  • Cisco Systems 903 - page 82

    3-32 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 3 Installing the Cisco ASR 903 Router Connecting the Cisc o ASR 903 Router to the Network Installing the Cisco Microso ft Windows Vista USB Driver This procedure sho ws how to inst all the Microsoft W indo ws V ista USB dri ver . Step 1 Obtain the f ile Cisco_usbconsole_dri v ...

  • Cisco Systems 903 - page 83

    3-33 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 3 Insta lling the Cisco ASR 903 Router Connecting the Cisco ASR 903 Router to the Ne twork Step 1 Run the setup.e xe for W indo ws 32-bit or setup(x6 4).ex e for W indows-64bit . Click Next . Step 2 The InstallShield W i zard for Cisco V irtual Com a ppears. Click Next . Ste ...

  • Cisco Systems 903 - page 84

    3-34 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 3 Installing the Cisco ASR 903 Router Connecting the Cisc o ASR 903 Router to the Network T o connect a modem to the router , follo w these steps: Step 1 Connect the RJ45 end of the adapter cable to th e black A UX port on the router , as sho wn in Figure 3-23 . Figur e 3-23 ...

  • Cisco Systems 903 - page 85

    3-35 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 3 Insta lling the Cisco ASR 903 Router Connecting the Cisco ASR 903 Router to the Ne twork Connecting a Management Ethernet Cable When using the Ethernet Management port in the def ault mode (speed-auto and dup lex-auto ) the port operates in auto-MDI/MDI-X mode . The port a ...

  • Cisco Systems 903 - page 86

    3-36 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 3 Installing the Cisco ASR 903 Router Connecting the Cisc o ASR 903 Router to the Network Figur e 3-24 Cisco AS R 903 Router Flash T oke n Memory Stick Removing a USB Flash Device T o remove and then replace a USB flash token memo ry stick from a Cisco ASR 903 Router, follo w ...

  • Cisco Systems 903 - page 87

    3-37 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 3 Insta lling the Cisco ASR 903 Router Connecting the Cisco ASR 903 Router to the Ne twork Step 3 Connect the other end to t he BTS patch or demarcation pa nel at your site. Step 4 T urn on power to the router . For information about the BI TS port pinouts, see Chapter 5, ? ...

  • Cisco Systems 903 - page 88

    3-38 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 3 Installing the Cisco ASR 903 Router Connecting the Cisc o ASR 903 Router to the Network Connecting Cables to a GPS Interface The follo wing sections describe ho w to connect cabl es from the Cisco ASR 903 Router to a GPS unit for input or out put timing of freq uency: • C ...

  • Cisco Systems 903 - page 89

    3-39 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 3 Insta lling the Cisco ASR 903 Router Connecting the Cisco ASR 903 Router to the Ne twork War ni n g T o comply with the T elcordia GR-1089 NEBS standard for electromagnetic compa tibility and safety , connect the T oD ports only to intra- building or unexposed wiri ng or c ...

  • Cisco Systems 903 - page 90

    3-40 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 3 Installing the Cisco ASR 903 Router Connecting the Cisc o ASR 903 Router to the Network Connecting Cables to SFP Modules For information on conn ecting cables to Cisco optical and Ethernet SFP interf aces, see http://www .cisco.com/en/US/ partner/product s/hw/modu les/p s54 ...

  • Cisco Systems 903 - page 91

    3-41 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 3 Insta lling the Cisco ASR 903 Router Connecting the Cisco ASR 903 Router to the Ne twork Figure 3-26 shows ho w the cable is connected between th e T1/E1 interface module an d the patch panel. Figur e 3-26 Cable Installation betw een T1/E1 Int erf ace and P a tch P anel Fo ...

  • Cisco Systems 903 - page 92

    3-42 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 3 Installing the Cisco ASR 903 Router Connecting the Cisc o ASR 903 Router to the Network ports as described in GR-1089-CORE) and require isolation from the exposed OSP cabling. The addition of Primary Protectors is not sufficient protection in order to connect these interfac ...

  • Cisco Systems 903 - page 93

    3-43 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 3 Insta lling the Cisco ASR 903 Router Connecting the Cisco ASR 903 Router to the Ne twork Connector and Cable Specifications For more information on cable specif ications and pinouts, see Chapter 5, “Troubleshooting” . ...

  • Cisco Systems 903 - page 94

    3-44 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 3 Installing the Cisco ASR 903 Router Connecting the Cisc o ASR 903 Router to the Network ...

  • Cisco Systems 903 - page 95

    CH A P T E R 4-1 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 4 Cisco ASR 903 Router Initial Configuration This chapter guides you th rough a basic router co nfiguration, wh ic h is suff icient for you to access your network. Co mplex conf iguration procedures are be yond the scope of this publ ication and can be found in the modul ...

  • Cisco Systems 903 - page 96

    4-2 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 4 Cisco ASR 903 Router Initial Configuration Powering Up the Cisco ASR 903 Router Powering Up the Cisco ASR 903 Router Make certain that all card slots and compartments are closed off. Install blank faceplates on any empty slots. Alw ays ha ve po wer supply slots f illed. If y ...

  • Cisco Systems 903 - page 97

    4-3 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 4 Cisco ASR 903 Router Initial Configuration Powering Up the Cisco ASR 903 Router initrd at: 009B9000 01006219 isord at: 01007000 0D1DF800 avail ram: 00400000 00800000 Kernel load: Uncompressing image... dst: 00000000 lim: 00400000 start: 00807673 size: 001B15F6...done. Now b ...

  • Cisco Systems 903 - page 98

    4-4 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 4 Cisco ASR 903 Router Initial Configuration Powering Up the Cisco ASR 903 Router *Feb 19 17:34:29.720: %PARSER-4-BADCFG: Unexpected end of configuration file. *Feb 19 17:34:29.809: %NETCLK-5-NETCLK_MODE_CHANGE: Network clock source not available. The network clock has changed ...

  • Cisco Systems 903 - page 99

    4-5 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 4 Cisco ASR 903 Router Initial Configuration Configuring the Cisco ASR 903 Rou ter at Startup During the boot process, o bserve the system LEDs. The LEDs on the sh ared port adapter go on and of f in an irregu lar sequence. Once the router has bo oted, the green ST A TUS LED ...

  • Cisco Systems 903 - page 100

    4-6 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 4 Cisco ASR 903 Router Initial Configuration Configuring the Cisco A SR 903 Router at Startup For informati on on modifyi ng the conf iguration after you create it, see the Cisco IOS configuration and command reference guides. T o configure a Cisco ASR 903 Router from the cons ...

  • Cisco Systems 903 - page 101

    4-7 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 4 Cisco ASR 903 Router Initial Configuration Configuring the Cisco ASR 903 Rou ter at Startup Rights clause at FAR sec. 52.227-19 and subparagraph (c) (1) (ii) of the Rights in Technical Data and Computer Software clause at DFARS sec. 252.227-7013. cisco Systems, Inc. 170 Wes ...

  • Cisco Systems 903 - page 102

    4-8 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 4 Cisco ASR 903 Router Initial Configuration Safely Powering Off the Cisco ASR 903 Router Safely Powering Off the Cisco ASR 903 Router This section e xplains ho w to shut down th e Cisco ASR 903 Router. It is recommended that b efore turning off all po wer to the chassis, you ...

  • Cisco Systems 903 - page 103

    CH A P T E R 5-1 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 5 Troubleshooting The follo wing sections pro vide information for trou bleshooting problems on the Cisco ASR 903 Router. • Pinouts, page 5-1 • LED Summary , page 5-7 Pinouts The follo wing sections d escribe the pinouts for the Cisco ASR 9 03 Router interfaces: • ...

  • Cisco Systems 903 - page 104

    5-2 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 5 Tro ubleshooting Pinouts GPS Port Pinout T able 5-2 summarizes the GPS port pinouts. Time of Day Port Pinout T able 5-3 summarizes the T oD/1PPS port pinout. 6 Not used 7 Not used 8 Not used T able 5-1 BITS P ort Pin out (continu ed) Pin Signal Name Direction Description T a ...

  • Cisco Systems 903 - page 105

    5-3 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 5 Troubleshooting Pinouts Alarm Port Pinout T able 5-4 summarizes the ex ternal alarm input pinout. Console/Aux RJ45 RS232 Serial Port Pinout T able 5-5 summarizes t he console/aux RJ45 RS232 seri al port pinout. 7 TOD_P Output or Input T ime of Day character 8 TOD_N Output o ...

  • Cisco Systems 903 - page 106

    5-4 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 5 Tro ubleshooting Pinouts T1/E1 Port Pinout T able 5-6 summarizes the pinou ts of the cable (T yco part number 21634 42-1, Cisco part number 72-5184-01) used to connect the T1/E1 interface mod ule to the rear of the patch panel. T able 5-6 T1/E1 I nte rf ace Pinouts Line Boar ...

  • Cisco Systems 903 - page 107

    5-5 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 5 Troubleshooting Pinouts Figure 5-1 sho ws the wiring schematic of the cable used to conn ect the T1/E1 interface mod ule to the rear of the patch panel. Figure 5-1 W iring Schematic of Cable between T1/E1 Interf ace and P a tch P anel Management Ethernet Port Pinout T able ...

  • Cisco Systems 903 - page 108

    5-6 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 5 Tro ubleshooting Pinouts USB Console Port Pinout T able 5-8 summarizes the USB console po rt pinout. Note The USB Console port +5VDC is input and o perates as an USB peripheral de vice. USB Flash/MEM Port Pinout T able 5-9 summarizes the USB flash/ MEM port pinout. Note USB ...

  • Cisco Systems 903 - page 109

    5-7 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 5 Troubleshooting LED Summary LED Summary The follo wing sections describ e the meanings of the LEDs on the Cisco ASR 903 Rou ter. • RSP LEDs, page 5-7 • Interface Module LEDs, page 5- 8 • Po wer Supply LEDs, p age 5-10 • Fan T ray LEDs, page 5-10 • Alarm Conditions ...

  • Cisco Systems 903 - page 110

    5-8 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 5 Tro ubleshooting LED Summary Interface Module LEDs T able 5-11 summarizes the interf ace module LEDs. This LED summary app lies to the follo wing interface modules: • SFP Gigabit Ethernet Interface Module • RJ45 Gigabit Ethernet Interf ace Module • XFP 10 Gigabit Ether ...

  • Cisco Systems 903 - page 111

    5-9 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 5 Troubleshooting LED Summary OC-3 Interface Module LEDs T able 5-13 summarizes the LEDs f or the OC-3 interface modul e. T1/E1 Interface Module LEDs T able 5-13 summarizes the LEDs for the T1/E1 interface module. T able 5-12 Interf ace Modu le LE D s LED Color/State Descript ...

  • Cisco Systems 903 - page 112

    5-10 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 5 Tro ubleshooting LED Summary Power Supply LEDs T able 5-15 summarizes the po wer supply LEDs for both the A C and DC po wer supplies. Fan Tray LEDs T able 5-16 summarizes the fan tray LEDs. T able 5-14 P ow er Supply LEDs LED Color/State Description Input OK Of f N o Input ...

  • Cisco Systems 903 - page 113

    5-11 Cisco ASR 903 Router Hard ware Installation Guide OL-25178-04 Chapter 5 Troubleshooting LED Summary Alarm Conditions T able 5-17 summarizes th e meaning of alarm conditions on t he Cisco ASR 903 Router. Critical (CRIT) Off No cr itical alarm Red Critical alarm (defaults to ON upon RSP reset) T able 5-16 F an T ra y L EDs LED Color/State Descri ...

  • Cisco Systems 903 - page 114

    5-12 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Chapter 5 Tro ubleshooting LED Summary ...

  • Cisco Systems 903 - page 115

    A-1 Cisco ASR 903 Router Hard ware Installati on Guide OL-25178-04 APPENDIX A Site Log Use the Site Log to provide a re cord of a ctions re lated to i nstalli ng and ma intaini ng the rout er . Keep it in an accessible place near the c hassis so that those who performs tasks have access to it. Use the Installation Checklist (see th e “Site Planni ...

  • Cisco Systems 903 - page 116

    A-2 Cisco ASR 903 Router Hardware Installation Guide OL-25178-04 Appendix A Site Lo g T able A -1 Sit e Log Date Description of Action Performed or Symptom Observed Initials ...

  • Cisco Systems 903 - page 117

    IN-1 Cisco ASR 903 Router Hard ware Installation G ui d e OL-25178-04 INDEX A airflow chassis clearance 2-16 altitude 2-10 auxiliary port connecting to a modem 3-34 to ?? B back panel 3-6, 3-7 C cable length, factors determining 2-14 chassis ground connection descriptio n 2-12 preventing overheating 2-16 coaxial cable 2-13 commands show environm en ...

  • Cisco Systems 903 - page 118

    Index IN-2 Cisco ASR 903 Router Hard ware Installation Guide OL-2517 8-04 N numbering interface 1-15 P PC connecting t o router ?? to 3-28 power surge suppression 2-14 power lines (wa rning) 2-4 power supplies (warning) 2-4 procedures starting the rout er 4-2 R regulatory compliance 1-16 restricted access (warning) 2-4 reviewing changes to configur ...

Manufacturer Cisco Systems Category Router

Documents that we receive from a manufacturer of a Cisco Systems 903 can be divided into several groups. They are, among others:
- Cisco Systems technical drawings
- 903 manuals
- Cisco Systems product data sheets
- information booklets
- or energy labels Cisco Systems 903
All of them are important, but the most important information from the point of view of use of the device are in the user manual Cisco Systems 903.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Cisco Systems 903, service manual, brief instructions and user manuals Cisco Systems 903. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Cisco Systems 903.

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A complete manual for the device Cisco Systems 903, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Cisco Systems 903 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Cisco Systems 903.

A complete Cisco Systems manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Cisco Systems 903 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Cisco Systems 903, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Cisco Systems 903, that we can find in the current document
3. Tips how to use the basic functions of the device Cisco Systems 903 - which should help us in our first steps of using Cisco Systems 903
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Cisco Systems 903
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Cisco Systems 903 in a specific country, if it was not possible to solve the problem on our own.

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