Table Of Contents - Allied Telesis AT-AR020 PRI E1/T1 Hardware Reference Manual

Contents
Models Covered by this Reference .................................................................... 4
Why You Should Read this Reference ................................................................ 4
PIC Overview .................................................................................................... 5
Hardware Features Common to All Models ................................................. 5
PIC Model Descriptions ..................................................................................... 6
AT-AR020 PRI E1/T1 PIC ............................................................................. 6
AT-AR021(S) BRI-S/T PIC ............................................................................. 7
AT-AR021(U) BRI-U PIC ............................................................................... 9
AT-AR022 ETH PIC .................................................................................... 10
AT-AR023 SYN PIC ................................................................................... 11
AT-AR024 ASYN4 PIC ............................................................................... 12
AT-AR026 4ETH PIC .................................................................................. 12
AT-AR027 VoIP-FXS PIC ............................................................................ 16
PIC Interfaces .................................................................................................. 18
Asynchronous Interface ............................................................................ 18
Synchronous Interface .............................................................................. 18
Ethernet Interfaces ................................................................................... 19
Basic Rate ISDN Interfaces ........................................................................ 19
Primary Rate ISDN Interface ...................................................................... 20
VoIP FXS Interface .................................................................................... 21
Hot Swapping ................................................................................................. 21
Hot Swapping the AR040 NSM with PICs ................................................. 22
How to Hot Swap a PIC ............................................................................ 22
Behaviour of Hot Swapped Interfaces ....................................................... 24
PIC Testing and Verification ............................................................................. 26
Cables and Loopback Plugs for PICs ................................................................ 29
Transition Cables for the AT-AR023 PIC ..................................................... 29
ISDN Interface Cables ............................................................................... 37
BT Adaptor Cable for the AT-AR027 PIC ................................................... 38
Terminal and Modem Cables .................................................................... 38
Ethernet Transceivers and AUI Cables ....................................................... 40
Loopback Plugs for Testing Interfaces ....................................................... 41
Test Facility ..................................................................................................... 44
Asynchronous Interface Tests .................................................................... 45
WAN Port Tests ......................................................................................... 45
Troubleshooting .............................................................................................. 45
For More Information ...................................................................................... 46