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Operation
61181041L3-5A
9
Front Panel LEDs
The DS3-PSM provides front panel LEDs to display status information. The DS3-PSM LEDs
and status descriptions are shown in
Table 3. Front Panel LEDs
Label
Status
Description
POWER
Off
Green
Yellow
Red
No power is present on the module
Module has power and is In Service
Module is in Out of Service-Maintenance mode
Module has equipment failure
STATUS
Off
Green
Yellow
Red
DS3 is Out of Service-Unassigned
DS3 is In Service or Out of Service-Maintenance mode and no alarms
have been detected
DS3 remote alarm condition detected
Local alarm or local and remote alarm condition detected
TEST
Off
Yellow
A test is not in progress
A test is in progress
ATM
Off
Green
Yellow
No ATM alarms reported
Cell Delineation present on all In Service ATM ports
Loss of Cell Delineation on one or more ATM ports
CLOCK
Off
Green
Yellow
Red
Module is set to Local timing
External timing and clock signal detected
Running on secondary timing source
In holdover
LOCKOUT
Off
Yellow
Red
APS is allowed
APS is inhibited
APS autonomous lockout by PSM
ON LINE
Off
Green
Module is operating as the standby unit
Module is operating as the active unit