Contents
ii
ASM-20
Installation and Operation Manual
3.2 Controls and Indicators................................................................................................... 3-1
3.3 Operating Instructions ....................................................................................................3-3
Power On Procedure ............................................................................................................3-3
Activation of Tests .................................................................................................................3-4
Operational Jumper and Switch Changes...............................................................................3-4
Power Off Procedure ............................................................................................................ 3-4
CHAPTER 4 TROUBLESHOOTING AND DIAGNOSTICS
4.1 General .......................................................................................................................... 4-1
4.2 Frequently Asked Questions ...........................................................................................4-1
4.3 Loop Tests Procedure ..................................................................................................... 4-2
4.4 Bit Error Rate Tester (BERT) ............................................................................................ 4-2
4.5 Modem Self Test............................................................................................................. 4-4
4.6 Local Test - Analog Loopback ......................................................................................... 4-4
4.7 Communication Link Tests.............................................................................................. 4-5
Remote Digital Loopback ......................................................................................................4-5
Local Digital Loopback..........................................................................................................4-6
CHAPTER 5 CARD CAGE VERSION
5.1 ASM-MN-214 Description ..............................................................................................5-1
5.2 ASM-20 Card Version..................................................................................................... 5-1
5.3 Power Supply ................................................................................................................. 5-2
AC Supply (100, 110 or 230 VAC).......................................................................................5-2
DC Supply (24 or 48 VDC)...................................................................................................5-3
Power Supply with Redundancy............................................................................................5-3
5.4 Installation...................................................................................................................... 5-3
Electrical Installation..............................................................................................................5-3
Mechanical Installation..........................................................................................................5-3
5.5 Operation....................................................................................................................... 5-4
APPENDIX A ETHERNET INTERFACE
APPENDIX B IR-G.703 CODIRECTIONAL INTERFACE (64 KBPS)
APPENDIX C IR-X.21B INTERFACE MODULE
APPENDIX D DTE INTERFACE CONNECTORS
APPENDIX E CONNECTION TO RS-422
APPENDIX F UNIT CASE ASSEMBLY
