User's Manual

5-22
Figure 5 - 10 Troubleshooting DS1/E1 Radio Alarms
B Side PA OFF PA ON/OFF switch on B-side
power supply is set to OFF.
Set PA ON/OFF switch on B-
side power supply to OFF.
Prov. Mismatch Provisioning on the controller
does not match the provision
-
ing screen.
Provision to match system
requirements.
Controller/Power Supply Prov.
Mismatch
Provisioning data stored in
memory on the controller does
not match provisioning data
stored in memory on the A-side
power supply.
Check for correct provisioning.
Reprovision as required. Save
provisioning.
Could Not Write/Read Power
Supply Prov.
Cannot download provision-
ing data from controller to A-
side power supply.
Remove/replace:
1. A-side power supply
2. Controller.
Capkey Mismatch Capacity key on A-side XMTR
has different part number than
capacity key n B-side XMTR.
Instal correct capacity keys on
XMTRs.
Radio ID Mismatch Radio IDs provisioned on the
radio configuration screen are
not the same at both ends of
the hop.
Provision both ends of hop
with same radio ID number.
MESSAGE MEANING ACTIONS
A B
1
DS1 LINE #
SIDES
TX SIG
TX ALM
RX ALM
LMW-1030
04/07/05
Loss of input signal to I/O Interface, inability to recover clock on alarmed
line, or bipolar violation detection
1. Check presence and quality of DS1/E1 input to radio
2. Enable DS1 I/O Loopback on USI control screen for continuity check
for DS1 signal through LBO and I/O interface module.
Continuity?
Yes – replace I/O interface
No – check LBO connectors for open or bent pins.
Repair as required.
Transmit hardware failure or buffer spills on alarmed line.
1. Verify quality of TX input data.
2. Replace I/O Interface module.
Loss of receive clock, buffer spills, or alarm insertion signal on the alarmed
line. May also be caused by DS1 driver failure.
Replace I/O Interface module.