Cisco Model GS7000 4-Port Node 1 GHz with 42 54 Split Installation Guide
Appendix C
Enhanced Digital Return Multiplexing Applications
226
OL-29643-02
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
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
Indication
Possible Solutions
PWR LSR
OFF
OFF
OFF
No power supply.
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.
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.
Green Orange
(Solid)
Non-Cisco Standard OPM
Module is installed.
Module is installed.
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.
Cisco Standard OPM Module is
highly recommended for better
system performance and stability.
See the data sheet of the node for
ordering information.
Green Orange
(Blink)
Input Level Overdrive.
Verify the input level of RF port.
The output level overdrive
indicates the output signal level
exceeds the limit of 35 dBmV.
The output level overdrive
indicates the output signal level
exceeds the limit of 35 dBmV.