Cisco Model GS7000 4-Port Node 1 GHz with 42 54 Split Installation Guide
Chapter 4 Troubleshooting
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Improper Configuration of the LCM
An improperly configured LCM can be the cause of this indication. Improperly
configured, for example, can mean that the LCM's configuration does not match the
actual receivers/transmitters mounted in the node. This could happen if the LCM
you are using was previously used in another node.
An improperly configured LCM can be the cause of this indication. Improperly
configured, for example, can mean that the LCM's configuration does not match the
actual receivers/transmitters mounted in the node. This could happen if the LCM
you are using was previously used in another node.
Complete the following steps to troubleshoot.
1 Verify the LCM configuration. Refer to Configuring the LCM (on page 22) for
1 Verify the LCM configuration. Refer to Configuring the LCM (on page 22) for
instructions on properly configuring the LCM.
2 If the LCM configuration is correct, then follow the procedures in the next
section to check for an operating condition that could cause the alarm.
WARNING:
The Model GS7000 Node's forward segmentation is set at the factory to match
the installed Forward Configuration Module (FCM). A mismatch between the
forward segmentation and the FCM may cause isolation or loss of service.
forward segmentation and the FCM may cause isolation or loss of service.
Real Operating Condition Problems
Complete the following steps to determine what operating condition alarms exist.
1 Connect the Model 91200 Handheld Programming Terminal to the local control
1 Connect the Model 91200 Handheld Programming Terminal to the local control
port on the LCM. Refer to Configuring the LCM Using the Model 91200
Handheld Programming Terminal for instructions.
Handheld Programming Terminal for instructions.
2 Use menu item 1 - RX & TX Config to check which receivers and transmitters
are set as Present or Absent in the node. The configuration settings must match
what is physically installed and operating.
what is physically installed and operating.
3 Use menu item 2 - PS Config to check which AC lines and PS modules are set as
Present or Absent in the node. The configuration settings must match what is
physically installed.
physically installed.
4 Use menu item 3 - RX Thresholds to check the RX threshold levels. Are they
correct? If not, reset the values.
5 Use menu item 4 - TX Thresholds to check the TX threshold levels. Are they
correct? If not, reset the values.
6 Use menu item 6 - Rx & Tx Power to check the operating power levels against
set threshold levels for alarms from steps 4 and 5.
7 Use menu item 7 - Power Supplies to check the power supply measurements for
out-of-range values.
Note: The thresholds for the power measurements are neither shown nor
settable via the handheld terminal. These thresholds are hard-coded.
Note: The thresholds for the power measurements are neither shown nor
settable via the handheld terminal. These thresholds are hard-coded.