DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126 Issue 4
June 1999
Maintenance Object Repair Procedures
9-177ATM-EI (Expansion Interface Circuit Pack)
9
j. Error type 1153: the ATM connection audit found some d iscrepancy in the
firmware’s VC token numbers and live VCs. The problem is rectified in
firmware and no action is need ed.
k. Error Type 1281: loss of high-level signal indica ting operational prob lems
of equipment located outside of the circuit p ack and the fiber c onnected
to the board. Aux Data values are listed in Table 9-77.
Table 9-77. Error t ype 1281 Aux Data and repair procedures
Aux
Data Alarm
Description Repair procedure
15 SYSCLOCK f ailed The boa rd is n ot loc ked to t he TDM b ackp lane c lock s ignal . This is
probably due to a Tone Clock problem.
1. Check for TDM-BUS or TONE-BD errors in the Error Log.
2. If no other problems are present, reset the circuit pack (reset
board UUCSS)
16 Loss of Signal:
LOS The fiber is not connected properly to the ATM-TRK board or ATM
switch (or to the multiplexer section [MUX] if present).It is possible
that the board transceivers are not functioning properly.
1. Run test board UUCSS command.
2. If Test#1259 fails, connect a fiber b ack-to-back in a looped
mode (one strand of fiber connecting the transmit transceiver
to the receive transceiver of the board) and see if the yellow
LED flash goes away. If it does the prob lem is off-board.
3. If the yellow LED continues to flash, replace the circuit pack.
17 Loss of Frame:
LOF The fiber signal cannot obtain or maintain STM-1/OC-3 framing.
1. Try to more the fiber on the ATM switch side to a different port.
2. If the problem persists, reset the circuit pack (reset board
UUCSS).
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