Cisco GS7000 Installation And Operation Manual page 150

Appendix B
Enhanced Digital Return Multiplexing Applications
Transmitter Module Troubleshooting Chart
Follow the steps in the table below to troubleshoot the transmitter module on LED
signaling. The following steps indications and solutions apply to both EDR 1:1 and
2:1 transmitter modules.
Follow the steps in the table below to troubleshoot the transmitter module on LED
signaling.
For EDR 1:1 Transmitter Module
LED Warning
PWR
OFF
Green
Green
132
Indication
LSR
OFF No power supply.
Orange
Non-Cisco Standard OPM
(Solid)
Module is installed.
Orange
Input Level Overdrive.
(Blink)
Possible Solutions
Verify the power supply of the
node with the transmitter
installed.
Verify that connectors of the
transmitter are clicked into the
interface connectors in the
transponder slot.
If still no power supply, contact
the Cisco Technical Service Center
for assistance.
No need for troubleshooting.
Cisco Standard OPM Module is
highly recommended for better
system performance and stability.
See the data sheet of the node for
ordering information.
Verify the input level of RF port.
The output level overdrive
indicates the output signal level
exceeds the limit of 35 dBmV.