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DEFINITY ECS Release 8.2 Maintenance for R8.2csi
555-233-119 Issue 1
April 2000
Maintenance Objects
3-782MAPD-BD (MAPD Interface Circuit Pack TN802)
3
1. If the same Error Type/Aux Data value occurs more than once in a
24 hour period, the circuit pack should be replaced. See ‘‘Shutting
down NT on the TN802’’ before removing the circuit pack.
If the MAPD board detects only one of these hardware problems, then the
error is resolved when none of these faults are detected for 10 minutes.
h. Error Type 514: LAN External RAM Error; hardware fault in the PPE
external RAM, used for message buffering to and from the Packet Bus.
This error should not occur regularly.
1. If this error occurs 10 times within 30 minutes, replace the circuit
pack. See ‘‘Shutting down NT on the TN802’’
before removing the
circuit pack.
i. Error Type 769: Transmit FIFO Underflow (threshold is 3 errors within 10
minutes); the circuit pack cannot find the “end of frame” bit when
transmitting a frame to Packet Bus.
1. Clear the alarm using the following command sequence:
a. busyout board UUCSS
b. reset board UUCSS
c. test board UUCSS long clear
d. release board UUCSS
2. If the error recurs within 10 minutes, replace the circuit pack. See
‘‘Shutting down NT on the TN802’’
before removing the circuit pack.
j. Error Type 770: unable to Write LAN Translation RAM (threshold is 2 errors
within 10 minutes); a call is aborted because there are no available
translation RAM locations for the call connection attempt.
1. Clear the alarm using the following command sequence:
a. busyout board UUCSS
b. reset board UUCSS
c. test board UUCSS long clear
d. release board UUCSS
2. If the error recurs within 10 minutes, replace the circuit pack. See
‘‘Shutting down NT on the TN802’’
before removing the circuit pack.
k. Error Type 1537: LAN Bus Timeout; the circuit pack transmitted too many
bytes on the LAN bus for a single frame. This condition may be caused by:
■ an on-board fault
■ faulty data received on one of the circuit pack’s external ports. If
any of the ports on this circuit pack are alarmed, refer to the repair
procedures for those maintenance objects.