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Allied Telesis AT-AR042 - page 1
Netw ork Ser vice Module Har dwar e Refer ence A T -AR040 A T -AR041 A T -AR042 A T -AR048 ...
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Allied Telesis AT-AR042 - page 2
Network Service Module Har dwar e Refer ence AT - A R 0 4 0 AT - A R 0 4 1 AT - A R 0 4 2 AT - A R 0 4 8 Download the complete document set from www .alliedtelesis.co m/support/software ...
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Allied Telesis AT-AR042 - page 3
Ne tw or k S e rv ice M od ul e H ard wa re R ef ere nc e Document Number C613-03022-00 REV K. © 2007 Allied T elesis, Inc. All rights r e served. No part of this publication may be repr oduced without prior written pe rmission fr om Allied T elesis, Inc. Allied T elesis, Inc. reserves the ri ght to change specifications and other information in t ...
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Allied Telesis AT-AR042 - page 4
Contents Devices Covered By This Docume nt . .................... ................... ................... ........ 4 Compatible Sw itches and Routers ....... ................... ................... .................... .... 4 A T- AR048 Su pport ................... ................. ................... ................... ........... 4 Hardware Ove ...
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Allied Telesis AT-AR042 - page 5
4 Network Service Module C613-03022- 00 REV K Devices Cover ed By This Document This Har dware Reference i ncludes information on the following Network Service Modules (NSMs): ■ A T -AR040, four Port Interface Car d (PIC) expansion bays ■ A T -AR041, eight ISDN Basi c Rate S/T interfaces ■ A T -AR042, four ISDN Basic Rate S/T int erfaces ■ ...
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Allied Telesis AT-AR042 - page 6
Ha rdw a re R e fe ren c e 5 C613-03022 -00 REV K Figure 1: Serial number label on the underside of a Rapier 24i Made in Singapore Model : A T -RP241-10 Part Number: 990-1 1934-10 Product Serial Number: S03K225N Quantity W ith Unit of Measure: 1 EA 7 67035 14875 5 N or higher for maximum DS3 performance J, K, L, or M for less demanding DS3 applicat ...
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Allied Telesis AT-AR042 - page 7
6 Network Service Module C613-03022- 00 REV K Har dware Overview This section provides an overview of th e har dware featur es of NSMs. NSMs are expansion options for switch and route r models with an NSM bay . NSMs slot into a base-unit switch or router and either directly provide additional W AN interfaces, or pr ovide expansion slots for Por t I ...
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Allied Telesis AT-AR042 - page 8
Ha rdw a re R e fe ren c e 7 C613-03022 -00 REV K A T -AR040 NSM The A T -AR040 p r ovi des four Port I nterface Card (PIC) expansion b ays for installing PICs. The front panel of the A T- AR04 0 NSM is shown in Figure 2 . The A T- A R040 NSM does not have LEDs. Figure 2: A T -AR040 NSM with three PICs installed Supported Port Interface Cards (PICs ...
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Allied Telesis AT-AR042 - page 9
8 Network Service Module C613-03022- 00 REV K ■ If an A T -AR020 PIC is installed in an A T -AR040 NSM, and operating in E1 mode, you can not install an A T -AR021(S) or A T -AR02 1(U) PIC in the same row of t he NS M. ■ Y ou can install a maximum of four A T -AR027 PICs in an AR745 router fitted with an A T -AR040 NSM. ■ A void instal ling a ...
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Allied Telesis AT-AR042 - page 10
Ha rdw a re R e fe ren c e 9 C613-03022 -00 REV K A T -AR041 and A T -AR042 NSMs The A T -AR041 NSM pro v ides eight ISDN Basic Rate S/T interfaces. The fr ont panel of the A T- AR0 41 is shown in Figure 3 . Figure 3: A T -AR041 NSM The A T- AR042 NSM provides four ISDN Basic Rate S/T interfaces. The fr ont panel of the A T -AR042 is shown in Figur ...
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Allied Telesis AT-AR042 - page 11
10 Network Service Module C613-03022- 00 REV K Basic Rate ISDN Interfaces Each Basic Rate S/T interface supports two 64 kbit/s B channels and one 16kbit/s D channel, and operates in TE mode only . The switch or router should be configured as a TE for normal operation. User-configurable jumpers pr ovide 100 Ω line termination. By default, the jump ...
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Allied Telesis AT-AR042 - page 12
Ha rdw a re R e fe ren c e 11 C613-03022 -00 REV K If you are uns ure of whether to terminat e the line or not, co ntact your ISDN service pr ovider or your authorised Allied T elesis distributor or r eseller . Wa r n i n g Do not attempt to change any jumpers on the NSM while the switch or router is connected to a power suppl y or a live network. ...
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Allied Telesis AT-AR042 - page 13
12 Network Service Module C613-03022- 00 REV K T esting an A T- AR041 or A T- AR042 NSM The T est Facility is built into the AlliedW are operating system, and is the best method to verify the correct operation of the BRI interfaces on the A T- AR041 and A T- AR042 NSMs. T esting can be performed wh ile the switch or router is operational, but any i ...
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Allied Telesis AT-AR042 - page 14
Ha rdw a re R e fe ren c e 13 C613-03022 -00 REV K Figure 8: Example output fr om the show te st command For more complete testing, connect the BRI interface to an external ISDN test device or NT mode devi ce and use the enable bri cte st command and the disable bri ctest command fr om the Integrated Serv ices Digital Network (ISDN) chapter the All ...
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Allied Telesis AT-AR042 - page 15
14 Network Service Module C613-03022- 00 REV K A T -AR048 NSM The AR048 NSM provides a single unch annelised DS3 interface with two BNC connectors for transmit and re ceive. The front panel of the A T- AR048 NSM is shown in Figur e 9 and the functions of the LEDs are described in Ta b l e 4 . Figure 9: A T -AR048 NSM DS3 Interface The A T -AR048 NS ...
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Allied Telesis AT-AR042 - page 16
Ha rdw a re R e fe ren c e 15 C613-03022 -00 REV K DS3 Interface Cables Use 75 Ω RG59 coaxial cables with BNC co nnectors. T wo cables ar e required, one for transmit and one for r eceive. Neither cable should exceed 135 m (455 feet) in length. T esting an A T- AR048 NSM The T est Facility is built into the AlliedW are operating system, and is th ...
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Allied Telesis AT-AR042 - page 17
16 Network Service Module C613-03022- 00 REV K Figure 11: Example output from the show test inter face counter command for a DS3 interface Board ID Bay Board Name Rev Serial number ------------------------------------ ---------------------------------------- Base 114 AT-RP24i Rapier 2 4i M2-0 41376726 NSM DS3 187 AT-AR048 NSM DS3 M1-1 49986061 Dura ...
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Allied Telesis AT-AR042 - page 18
Ha rdw a re R e fe ren c e 17 C613-03022 -00 REV K LEDs and What They Mean The following LEDs report operations and faul ts on NSMs and related ha rdw are : The A T -AR040 NSM has no independent LEDs. See Ta b l e 5 for information about related LEDs found on the base swit ch or r outer . Switch and Router LEDs for NSMs The following LEDs on switch ...
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Allied Telesis AT-AR042 - page 19
18 Network Service Module C613-03022- 00 REV K PIC LEDs The following LEDs report operations and faul ts on PICs, and may be helpful when diagnosing pos sible A T -AR040 NSM operat ional faults. The LEDs are located on the faceplate of the respective PIC. The A T -AR024 ASYN4 PIC does not have LEDs. T able 6: A T- AR020 PRI E1/T1 PIC LEDs LED Funct ...
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Allied Telesis AT-AR042 - page 20
Ha rdw a re R e fe ren c e 19 C613-03022 -00 REV K T able 9: A T- AR023 SYN PIC LEDs LED Function Tx Lit when data is being transmitted over the synchronous interface. Rx Lit when data is being received on the synchronous interfac e. T able 10: A T - AR026 4ETH PIC LEDs LED Function Left Lit when the port is operating at 100Mbps and full duplex. Ri ...
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Allied Telesis AT-AR042 - page 21
20 Network Service Module C613-03022- 00 REV K Hot Swapping Hot swapping is the installation or r e moval of a component such as an NSM without powering down or restarti ng the switch or ro uter . NSMs can be hot swapped in and out of switches and routers that are r unning Software V ersion 2.3.1 or later . T o find out whi ch software version your ...
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Allied Telesis AT-AR042 - page 22
Ha rdw a re R e fe ren c e 21 C613-03022 -00 REV K The configuration script is not scanned for commands relating to hot-inserted interfaces u ntil the switch or r outer is rest arted. These interfaces mu st be configured manually . The switch or router does not update the MAC addres s of any hot-swapped Ethernet interface until the switch or r oute ...
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Allied Telesis AT-AR042 - page 23
22 Network Service Module C613-03022- 00 REV K T r oubleshooting This section prov ides information on how to detect and r esolve problem s with NSMs. Performing the followin g tasks will eliminate the most common faults. 1. Check that the NSM is corre ctly installed. See the Network Service Module Installation and Safety Guide for a step by step g ...
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Allied Telesis AT-AR042 - page 24
Ha rdw a re R e fe ren c e 23 C613-03022 -00 REV K Obtaining Documentation and Resour ces Document set The complete document set for Network Service Modules includes: ■ this Hardwar e Reference, which cont ains detailed informat ion on the ha rdw are fe at ure s o f N e tw or k S er vi ce Mo du le s ■ the Network Service Module Instal lation an ...
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Allied Telesis AT-AR042 - page 25
24 Network Service Module C613-03022- 00 REV K Contacting us W ith locations covering all of the esta blished markets in North America, Latin America, Eur ope, Asia, and the Pacific, Allied T elesis provid es localized sales and technical support worldwid e. T o find the repr esentative nearest you, visit us on the W eb at www.alli edtelesis.com . ...
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