3com 5104M-FIB User Manual
SET PORT LOW_LIGHT_WARNING
2-183
SET PORT
LOW_LIGHT_WARNING
LOW_LIGHT_WARNING
Use the SET PORT LOW_LIGHT_WARNING command to enable a warning that is
displayed when the light level received is weak. This command pertains to
ONline Ethernet Port-Switching Fiber Modules (Model Numbers 5102M-FP and
5104M-FP) only.
displayed when the light level received is weak. This command pertains to
ONline Ethernet Port-Switching Fiber Modules (Model Numbers 5102M-FP and
5104M-FP) only.
A low light condition does not affect network operation. Enable low light
detection during system setup to see if any fiber connections are close to
reaching their distance limits. If they are, the status LED on the Ethernet Fiber
Module blinks six times to indicate the condition, and the status is reported to
the DMM.
detection during system setup to see if any fiber connections are close to
reaching their distance limits. If they are, the status LED on the Ethernet Fiber
Module blinks six times to indicate the condition, and the status is reported to
the DMM.
You can disable the low light detection if you are aware that the light level is
low, but prefer not to have a blinking status indicator signaling the condition.
low, but prefer not to have a blinking status indicator signaling the condition.
If you have enabled redundant ports on the ONline Ethernet Fiber Modules
(Model Number 5104M-FIB), disabling low light warning allows the module to
switch over to the backup port more quickly when the primary port fails.
(Model Number 5104M-FIB), disabling low light warning allows the module to
switch over to the backup port more quickly when the primary port fails.
Format
Example
The following command enables the low light warning on port 1 of the module
in slot 12:
in slot 12:
CB5000> set port 12.1 low_light_warning enable
Low light warning set to ENABLED.
Related Commands
SHOW PORT
SET PORT HIGH_POWER
SET PORT HIGH_POWER
slot.port
Identifies the port for this operation.
slot (1 through 17) is the slot number location of a module in the hub
and port (1 through 4) is the port number on the specified module.
For example, to identify port 4 on the module in slot 6, enter
and port (1 through 4) is the port number on the specified module.
For example, to identify port 4 on the module in slot 6, enter
6.4
slot.all
Specifies that all ports on the module are affected by this operation.
disable
Disables low light warning.
enable
Enables low light warning.
slot.all
set port
low_light_warning
disable
enable
slot.port