DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126
Issue 4
June 1999
Maintenance Object Repair Procedures
9-166ATM-EI (Expansion Interface Circuit Pack)
9
LEDs
The ATM-EI circuit pack has three LEDs:
■ red indicates some alarm condition
■ green indicates maintenance testing in progress
■ yellow provides useful visual information regarding the operating mode of
the ATM-EI and possible error conditions.
The possible LED states are in Table 9-73
.
Table 9-73. ATM-EI LED codes
LED LED status Condition
Red Steady on Board is not healthy
Never on Normal conditions
Red and
Green
Red LED solid on
Green LED 200 ms on; 200 ms off
Board is in the processes of booting
Green Steady on
1
1. The green LED flashes between tests.
Maintenance is running tests on the board
100 ms on - 100 ms off No links to the board
Yellow 100 ms on -100 ms off Fiber Loss of Signal (LOS), LOF, MS_RDI,
MS_AIS, LCD, HP_RDI, HP_AIS, LOP, PSC
(See Table 9-77
)
Yellow 500 ms on; 500 ms off Signal to the ATM switch is down
Yellow 2 s on; 0.2 s off ATM-EI is Expansion Archangel (EAA)
Yellow Steady on ATM-EI active (PPN)
Yellow Never on ATM-EI standby
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