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Chapter 4 Troubleshooting and Diagnostics Installation and Operation Manual

4-12 Troubleshooting ASM-40CD Ver. 1.0

Start

Set local ASM-40CD

to LLB

OK?

Local DTE

and modem clock

types match?

Local modem

‘No Interface’

alarm On?

Local DTE

to modem connection

OK?

Yes

Install a legal

digital interface

card

Yes

Failure in local

digital interface.

Repair/replace

digital interface.

Failure in

local modem.

Repair/replace modem.

Yes

Set local ASM-40CD

to LLB + BERT

Match DTE and

modem clock

types

Repair DTE-modem

connection

Yes

Figure 4-7. Troubleshooting Flowchart using V.54 Loopbacks

1 2 ... 43 44 45 46 47 48 49 50 51 52 53 ... 75 76

ASM-40CD 1
Limited Warranty 4
Product Disposal 4
General Safety Instructions 5
Safety Symbols 5
Handling Energized Products 6
Attention 8
FCC-15 User Information 9
Quick Start Guide 11
Advanced Configuration 12
Contents 13
Chapter 1 15
Introduction 15
Features 16
1.2 Physical Description 17
Table 1-1 18
Table 1-1. Fuse Data 18
Figure 1-4 18
1.3 Functional Description 19
Management 21
Configurable Parameters 21
Power Supply 24
Environment 24
Chapter 2 25
Installation and Operation 25
Figure 2-1 26
Interface Module Inspection 27
LRSI-F-5 28
LRSI-F-14 28
Setting Internal Jumpers 29
2.6 Operating the ASM-40CD 30
Table 2-5. ASM-40CD LEDs 31
Figure 2-5. ASM-40CD LEDs 31
Powering ASM-40CD Up 32
Normal Operation 32
Chapter 3 33
Configuration 33
Using Alarm Messages 34
Chapter 4 34
Navigating the Menu 35
3.5 Configuring the Modem 36
Troubleshooting and 37
Diagnostics 37
Activating Loopback Tests 38
Running Loopback Tests 38
Local Analog Loopback (LLB) 38
Local Digital Loopback (DIG) 40
4.4 Viewing Alarm Status 43
Figure 4-6 44
Table 4-2 44
. Table 4-3 45
Table 4-5 46
Appendix A 51
IR-ETH Ethernet Card 51
A.2 Technical Specifications 52
Configuring IR-ETH 53
Installing the IR-ETH Card 53
Figure A-3 54
Figure A-4 54
Installing the Hub 55
LED Indicators 55
Appendix B 57
IR-ETH/QN (IR-ETH/Q) 57
Interface Module 57
B.3 Technical Specifications 58
Configuring IR-ETH/QN 59
Appendix C 63
Command List 63
C.2 Modem Setup 64
Clock mode of both 65
C.3 Modem Status 66
Figure C-3 67
Table C-3 67
C.4 Modem Log File 68
Customer Response Form 71
Error Report 73
Innovative Access Solutions 76

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