ADTRAN 2 x E1 user manual Troubleshooting

61280004L2-1C

Table of Contents

Main Menu Screen	27
E1 Status / Configuration / Loopback Screen	28
Link Performance History	29
E1A Statistics Page	30
E1B Statistics Page	30
Section 4. Troubleshooting
General	31
Problem Descriptions and Recommended Actions	31
Troubleshooting Using the Front Panel Indicators	31
“Link Down” Light is Lit	31
CV/CRC Light On E1A or E1B is Lit – when CRC is enabled	32
“LBK-A” or “LBK-B” is Lit	33
“LOS/OOF Light on E1A or E1B is Lit	33
ALM is Lit	34
No “Power” Light	34
“Test” Light is Lit or Blinking	35
“TST” Light is Lit after Pressing “Remote Test” Button	35
“Fail” Light is Lit after Pressing “Remote Test” Button	36
“RF Low” Light is On	36
Troubleshooting Using the VT100 User Interface	37
LOS Alarm	37
CV Alarm	37
OOF Alarm	38
CRC Alarm	38
RMT Alarm	38
UA1 Alarm	39
Code Sync Status	40

TRACER 2 x E1 User’s Manual v