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Cisco Systems Cisco XR 12416 - page 1
1-1 Cisco XR 12416 Router Installation Guide OL-13833-01 CH A P T E R 1 Product Overview This chapter pro vides an o vervi ew of the Cisco XR 12416 router. It co ntains physical descripti ons of the router ha rd ware and major component s, as well as functional descriptions o f th e hardware-related features. Physical and Functional Description of ...
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Cisco Systems Cisco XR 12416 - page 2
Chapter 1 Product Overview Physical and Func tional Description of Ro uter 1-2 Cisco XR 12416 Router Installation Guide OL-13833-01 • Upper Line card and Rout e Processor card cage—Has 8 user -configurable slots that support a combination of line cards, a route processo r (RP), and an alarm card. See the “ A larm Card and Line Card Ov erview ...
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Cisco Systems Cisco XR 12416 - page 3
1-3 Cisco XR 12416 Router Installation Guide OL-13833-01 Chapter 1 Product Overview Physical and Functional De scription of Route r Figure 1 -1 Cisco XR 120 16 Ro uter Components—Fr ont View Switch f abric card cage (behind filter door) P W R O K F A U L T T E M P I L I M P W R O K F A U L T T E M P I L I M P W R O K F A U L T T E M P I L I M ALA ...
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Cisco Systems Cisco XR 12416 - page 4
Chapter 1 Product Overview Physical and Func tional Description of Ro uter 1-4 Cisco XR 12416 Router Installation Guide OL-13833-01 AC and DC Power Subsystems A router ships with either an A C or DC powered system. Source power connects to the power shelf at the back of the chassis which route power to the po we r supplies, also referred to as powe ...
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Cisco Systems Cisco XR 12416 - page 5
1-5 Cisco XR 12416 Router Installation Guide OL-13833-01 Chapter 1 Product Overview Physical and Functional De scription of Route r Figure 1 -2 Standard A C-Input Po wer Subsystem Caution A router equipped with the standar d A C power subsystem must be operated wi th three power sup plies installed in the po wer shelf at all times for electromagnet ...
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Cisco Systems Cisco XR 12416 - page 6
Chapter 1 Product Overview Physical and Func tional Description of Ro uter 1-6 Cisco XR 12416 Router Installation Guide OL-13833-01 Optional AC Power Shelf The po wer subsystem consists of a double-le vel A C-input powe r shelf with bays for 4 A C-input po wer supplies. Figure 1-4 sho ws the optional power shelf. It attaches to the top of the route ...
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Cisco Systems Cisco XR 12416 - page 7
1-7 Cisco XR 12416 Router Installation Guide OL-13833-01 Chapter 1 Product Overview Physical and Functional De scription of Route r Figur e 1 -4 Optional A C-Input P ow er Subsyst em Caution A router equipped wi th the optional A C po wer subsystem must be operated with 4 po wer supplies installed in the po wer shelf at all times for electro magnet ...
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Cisco Systems Cisco XR 12416 - page 8
Chapter 1 Product Overview Physical and Func tional Description of Ro uter 1-8 Cisco XR 12416 Router Installation Guide OL-13833-01 A C power to the ro uter is pro vided through po wer cords connected from A C power outlets to the connec tors on the back of the po wer shelf as sho wn in Figure 1-5 . Figur e 1 -5 Optional P ow er Shelf AC-Input Co n ...
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Cisco Systems Cisco XR 12416 - page 9
1-9 Cisco XR 12416 Router Installation Guide OL-13833-01 Chapter 1 Product Overview Physical and Functional De scription of Route r AC Power Supplies Each A C PEM con verts 200 t o 240 V A C into -48 VDC, which is distribu ted through the chassis backpl ane to all cards, RPs, and the blower modules. Figure 1-6 identif ies the components of a 2500 W ...
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Cisco Systems Cisco XR 12416 - page 10
Chapter 1 Product Overview Physical and Func tional Description of Ro uter 1-10 Cisco XR 12416 Router Installation Guide OL-13833-01 The status LEDs on an A C PEM provide in for mation about the current operational status of the po wer supply: • PWR OK (green)—Indicates that the power supply module is o perating normally . • F A UL T (yellow) ...
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Cisco Systems Cisco XR 12416 - page 11
1-11 Cisco XR 12416 Router Installation Guide OL-13833-01 Chapter 1 Product Overview Physical and Functional De scription of Route r In the DC-input po wer configurat ion: • Modules A1 and B1 pro vide redundant po wer for system load zone 1 (the upper blower module and the upper card cage). • Modules A2 and B2 pro vide redundant po wer for syst ...
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Cisco Systems Cisco XR 12416 - page 12
Chapter 1 Product Overview Physical and Func tional Description of Ro uter 1-12 Cisco XR 12416 Router Installation Guide OL-13833-01 Figure 1 -8 DC-Input P ow er Shelf Connection s A1- A1+ A2- A2+ B2+ B2- B1+ B1- Ground B1 Cov er with slotted screw hole; f astens to standoff in middle of cable connection area 27964 ...
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Cisco Systems Cisco XR 12416 - page 13
1-13 Cisco XR 12416 Router Installation Guide OL-13833-01 Chapter 1 Product Overview Physical and Functional De scription of Route r DC Power Supplies Each DC PEM operates from a nominal so urc e DC voltage of –48 to –6 0 VDC and requires a de dicated 60 amp se rvice. Figure 1-9 identif ies the components of a 2400 W DC po wer supply . Figure 1 ...
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Cisco Systems Cisco XR 12416 - page 14
Chapter 1 Product Overview Chassis Card Cages 1-14 Cisco XR 12416 Router Installation Guide OL-13833-01 The status LEDs on a DC PEM provide information about the current operational status of the po wer supply: • PWR OK (green)—Indicates that the power supply module is o perating normally . • F A UL T (yellow)—Indicates that a f a ult is de ...
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Cisco Systems Cisco XR 12416 - page 15
1-15 Cisco XR 12416 Router Installation Guide OL-13833-01 Chapter 1 Product Overview Chassis Card Cages Lower Card Cage The lower card cage also has eight user -con figurabl e slots that suppor t additional line cards, an alarm card, and an optional, redundant RP . Note The lower card cage is an in verted, or head-down, copy of the upper card cage, ...
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Cisco Systems Cisco XR 12416 - page 16
Chapter 1 Product Overview Switch Fabric Overview 1-16 Cisco XR 12416 Router Installation Guide OL-13833-01 Switch Fabric Overview The switch fabric provides synchronized gigabit-speed connections between line cards and the RP . The switch fabric card cage is located behind th e air filter door and consists of 2 clock and scheduler cards (CSCs) and ...
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Cisco Systems Cisco XR 12416 - page 17
1-17 Cisco XR 12416 Router Installation Guide OL-13833-01 Chapter 1 Product Overview Switch Fabric Overview Caution Do not remov e the blank f iller panel unless instructed to do so by a Cisco support represen tative. Clock Scheduler Cards Clock scheduler cards pro vide the follo wing functionality: • Scheduler—Handles all scheduling reques ts ...
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Cisco Systems Cisco XR 12416 - page 18
Chapter 1 Product Overview Alarm Card and Lin e Card Overview 1-18 Cisco XR 12416 Router Installation Guide OL-13833-01 Alarm Card and Line Card Overview This section p rovides general inf ormatio n about alarm card s, line card s and types of route processors in stalled in the router . Note The Cisco XR 12416 router supports online inserti on and ...
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Cisco Systems Cisco XR 12416 - page 19
1-19 Cisco XR 12416 Router Installation Guide OL-13833-01 Chapter 1 Product Overview Alarm Card and Line Card Over view – EN ABLED (green)—The alarm card is operational and functioning properly . – F A IL (yello w)—The alarm card in that slot is faulty . • A pair of status LEDs that correspon d to each of the 5 card slots in the switch fa ...
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Cisco Systems Cisco XR 12416 - page 20
Chapter 1 Product Overview Route Processor 1-20 Cisco XR 12416 Router Installation Guide OL-13833-01 Line Cards Up to 15 Cisco XR 12416 router line cards can be installed in the routers up per and lo wer card cages to support a v ariety of physical netw ork media. Ports and connectors on the line card front pa nels provide interfaces for external c ...
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Cisco Systems Cisco XR 12416 - page 21
1-21 Cisco XR 12416 Router Installation Guide OL-13833-01 Chapter 1 Product Overview Route Process or • Uploads the operating system sof tware images to all in stalled line cards during power-up • Provides out-of-band system console and auxili ary ports and an Ethern et port for router conf iguration and main tenance • Monitors and manages th ...
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Cisco Systems Cisco XR 12416 - page 22
Chapter 1 Product Overview Route Processor 1-22 Cisco XR 12416 Router Installation Guide OL-13833-01 Performance Route Processor Overview The performance route pro cessor (PRP) uses a Motorola PowerPC 7450 CPU that runs at an external b us clock speed of 133 MHz and has an internal cl ock speed of 667 MHz. Figure 1-11 identif ies the slots, ports, ...
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Cisco Systems Cisco XR 12416 - page 23
1-23 Cisco XR 12416 Router Installation Guide OL-13833-01 Chapter 1 Product Overview Route Process or PRP Ethernet Ports and Status LEDs The PRP has two 8-pin media-depend ent interface (MDI) RJ-4 5 ports for either IEEE 802.3 10B ASE-T (10 Mbps) or I EEE 802.3u 100BASE-TX ( 100 Mbps) Ethernet connections. These po rts are labele d ETH 0 and ETH 1. ...
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Cisco Systems Cisco XR 12416 - page 24
Chapter 1 Product Overview Route Processor 1-24 Cisco XR 12416 Router Installation Guide OL-13833-01 PRP Auxiliary and Console Ports The auxiliary and consol e ports on the PRP are EIA/TIA-232 (also kno wn as RS-232) asynchronous serial ports. Thes e ports connect external de vices to monitor and manage the system. • The auxiliary port—A (male) ...
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Cisco Systems Cisco XR 12416 - page 25
1-25 Cisco XR 12416 Router Installation Guide OL-13833-01 Chapter 1 Product Overview Route Process or PRP Alphanumeric Message Displays The alphanumeric message displays are or ganized in two ro ws of four LED characters each ( Figure 1-13 ). Figure 1 -13 Alphanumeric Message Displa ys—P artial Fr ont P anel The alphanumeric message displays s ho ...
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Cisco Systems Cisco XR 12416 - page 26
Chapter 1 Product Overview Route Processor 1-26 Cisco XR 12416 Router Installation Guide OL-13833-01 PRP Memory Components This section describes v arious types of memory used on the PRP to support router functions. Ta b l e 1 - 1 provides a quick reference of the dif ferent types of memory , and Figure 1-14 sho w s the location on the PRP b oard. ...
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Cisco Systems Cisco XR 12416 - page 27
1-27 Cisco XR 12416 Router Installation Guide OL-13833-01 Chapter 1 Product Overview Route Process or Figure 1 -14 PRP Memory Locatio ns E JEC T RX TX P R IM A R Y SLOT -1 SLOT -0 LINK EN RX TX ETH 1 ETH 0 AUX CONSOLE PERFORMANCE ROUTE PROCESSOR 1 (PRP-1) LINK P R IM A R Y EN RESET 129256 Flash SIMM PCMCIA slot-1 and slot-2 (behind cov er) P3 U18 U ...
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Cisco Systems Cisco XR 12416 - page 28
Chapter 1 Product Overview Route Processor 1-28 Cisco XR 12416 Router Installation Guide OL-13833-01 PRP SDRAM The PRP uses Error Checking and Correction (ECC) Synchronized Dynamic Random Access Memory (SDRAM) to store routi ng tables, protocols, network accounting applicat ions, and to run Cisco IOS softw are. Ta b l e 1 - 2 lists the DRAM configu ...
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Cisco Systems Cisco XR 12416 - page 29
1-29 Cisco XR 12416 Router Installation Guide OL-13833-01 Chapter 1 Product Overview Route Process or PRP NVRAM Non-v olatile Random Access Memo ry (NVRAM) pro vides 2 MB of memory for system conf iguration f iles, software register settings, and en vironmental monitoring logs. Built- in lithium batteries ret ain the contents of NVRAM for a minimum ...
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Cisco Systems Cisco XR 12416 - page 30
Chapter 1 Product Overview Blower Module 1-30 Cisco XR 12416 Router Installation Guide OL-13833-01 Upper and Lower Cable Management Brackets The Cisco XR 12416 router inclu des upper and lo wer cable management brackets that work together with indi vidual line card cable management brackets to organize interf ace cables entering and exiting the rou ...
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Cisco Systems Cisco XR 12416 - page 31
1-31 Cisco XR 12416 Router Installation Guide OL-13833-01 Chapter 1 Product Overview Blower Module Each blo w er module contains three v ariab le speed fans and a controller card. The two front cov er LEDs prov ide a visual indication o f blo wer module status ( Figure 1-15 ): Figure 1 -15 Blo wer Module • OK (green)—All three fans are operatin ...
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Cisco Systems Cisco XR 12416 - page 32
Chapter 1 Product Overview Blower Module 1-32 Cisco XR 12416 Router Installation Guide OL-13833-01 Figure 1 -16 Cooling Air Flow T o ensure that there is adequate air flo w to prev ent ov erheating inside the card cages keep the front and back of the rout er unobstru cted. W e recommend at least 6 inches (15.24 cm) of clearance. 26204 Air e xhaust ...
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Cisco Systems Cisco XR 12416 - page 33
1-33 Cisco XR 12416 Router Installation Guide OL-13833-01 Chapter 1 Product Overview Blower Module Caution Y ou should inspect and clean the air f ilter one time per month (more often i n dusty en vironments). Do not operate the rout er without an air filter installed. The blower module controll er card monitors and cont rols operation of three v a ...
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Cisco Systems Cisco XR 12416 - page 34
Chapter 1 Product Overview Blower Module 1-34 Cisco XR 12416 Router Installation Guide OL-13833-01 ...
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