Cisco Model GS7000 4-Port Node 1 GHz with 42 54 Split 설치 가이드
Local Control
Module
Troubleshooting
4024769 Rev A
35
Red STATUS LED Flashing Fast
If the STATUS LED is flashing fast, one or both of the secondary receivers is being
turned on, i.e., redundancy is in use.
turned on, i.e., redundancy is in use.
Complete the following steps to verify that the redundancy switching is correct in
1x/2x Fwd Seg forward segmentation mode.
1 Connect the Model 91200 Handheld Programming Terminal to the local control
1x/2x Fwd Seg forward segmentation mode.
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 5 - Node Setting, sub-menus 5.1 - AB Switch 1 and 5.2 AB
Switch 2, to check the settings of the AB switches (Preferred A, Preferred B,
Forced A, or Forced B). If not set correctly, reset as required.
Forced A, or Forced B). If not set correctly, reset as required.
3 Use menu item 6 - Rx & Tx Power to check the optical power levels of the
receivers against their set thresholds in menu item 3 - RX Thresholds. This
allows you to see which primary receivers have failed and had their
corresponding secondary receivers turned on. Use menu item 0 - RX Status to
verify the status of the corresponding receivers.
allows you to see which primary receivers have failed and had their
corresponding secondary receivers turned on. Use menu item 0 - RX Status to
verify the status of the corresponding receivers.
Red STATUS LED On Solid
If the STATUS LED is on (solid RED), redundancy has failed. One or both of the
secondary receivers could not be turned on and operated when their corresponding
primary receiver failed.
secondary receivers could not be turned on and operated when their corresponding
primary receiver failed.
To troubleshoot this condition, use the same procedure as in Red STATUS LED
Flashing Fast, but look for the failure of both primary and secondary receivers.
Flashing Fast, but look for the failure of both primary and secondary receivers.
WARNING:
Be sure that your node supports the forward segmentation of your status
Be sure that your node supports the forward segmentation of your status
monitor.