Cisco Model GS7000 4-Port Node 1 GHz with 42 54 Split 安装指南
Local Control
Module
Troubleshooting
4024769 Rev A
33
Local Control Module Troubleshooting
Introduction
The LCM indicates its status through the STATUS and COND LEDs on the front of
the module housing. More detailed status information can be obtained using the
handheld programming terminal.
the module housing. More detailed status information can be obtained using the
handheld programming terminal.
The following sections provide troubleshooting procedures based on the STATUS
and COND LED indications.
and COND LED indications.
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.
Green COND LED not Blinking
If the green COND LED is not blinking, complete the following steps to
troubleshoot.
1 Make sure the LCM is mating correctly with the connectors on the optical
troubleshoot.
1 Make sure the LCM is mating correctly with the connectors on the optical
interface board (OIB) in the node. See Installing the SM/LCM (on page 12) for
instructions on proper installation.
instructions on proper installation.
2 If the COND LED is still not blinking, remove the LCM from the node and
examine the pins of LCM connectors. If any are bent or broken, replace the LCM.
3 If the COND LED is still not blinking, input power is not being supplied to the
LCM through the OIB. Check and replace the OIB if necessary. Refer to Model
GS7000 GainMaker Scaleable 4-Port Node Installation and Operation Guide, part
number 4013584 for more information.
GS7000 GainMaker Scaleable 4-Port Node Installation and Operation Guide, part
number 4013584 for more information.
Red STATUS LED Blinking Slowly
If the STATUS LED is blinking slowly, there is at least one alarm condition. This
indication could be caused by:
indication could be caused by:
Improper configuration of the LCM
Real operating condition problems
The following sections explain how to troubleshoot each of these possibilities.