User's Manual

5-9
Figure 5-4 Troubleshooting DS3 Radio XMT Alarms
A B
TRANSMITTER
Common Loss
XMT On Line
XMT Provisioning
PA Temperature
PA Power
Transmit Power
ATPC High Power
ATPC Timeout
SYNC Loss
DS3 Frame Loss
DS3 Degraded
DS3 AIS Detect
STATUS
LMW-3131-sm
06/27/02
SEE DS1/E1
XMT ALARMS,
FIG 5-3
SEE
DS1/E1 XMT ALARMS
XMT PROV, FIG 5-3
DS3 I/O INTFC CANNOT RECOVER FRAMING FROM
INCOMING DS3 SIGNAL OR THERE IS NO INPUT
SIGNAL. IS DS3 AIS Detect ALARM ON?
YES, TROUBLESHOOT UPSTREAM
RADIOS AND EXTERNAL MUX
EQUIPMENT.
NO, CHECK INPUT SIGNAL. IF INPUT SIGNAL
IS OK, REPLACE DS3 I/O INTFC.
IF NOT, TROUBLESHOOT EXTERNAL
MUX EQUIPMENT.
DS3 INPUT TO DS3 I/O INTFC HAS EXCEEDED
PROVISIONED BER THRESHOLD (HIGH ERROR
CONDITION).
TROUBLESHOOT EXTERNAL MUX EQUIPMENT.
AIS (BLUE SIGNAL), INSERTED AT MUX (EXTERNAL
TO THE RADIO) HAS BEEN DETECTED ON XMT
INPUT TO DS3 I/O INTFC.
TROUBLESHOOT EXTERNAL MUX EQUIPMENT.