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MAPD-BD (MAPD Interface Circuit Pack TN802)
Issue 1 June 2005 1527
m. Error Type 1538: Hyperactive circuit pack is out-of-service and may exhibit one or more of
the following symptoms:
● The common circuit pack tests (for example, Test #50 and/or Test #52) abort with Error
Code 2000.
● Port tests on this circuit pack return NO-BOARD.
● A busyout/release of the circuit pack has no effect on test results.
● A list configuration shows that the circuit pack and ports are properly installed.
The circuit pack is isolated from the system, and every trunk or port on this circuit pack is
placed into the out-of-service state. The system attempts to restore the circuit pack within
20 – 30 minutes. When no faults are detected for 20 – 30 minutes, the MAPD Interface
circuit pack is restored to normal operation, and every trunk or port on the MAPD Interface
circuit pack returns to the in-service state.
1. If the board is not restored to normal operation or the error recurs after the board is
restored to normal operation, escalate the problem.
n. Error Types 3073 – 3160: Board is reporting slip errors. Aux Data shows the last reported
slip count.
o. Error Type 3330: LAN Critical error; critical failure in the packet-bus interface to the circuit
pack. This failure may be due to an on-board or a packet-bus fault.
1. If the packet bus is alarmed, see PKT-BUS (Packet Bus)
on page 1790 or PKT-INT
(Packet Interface) on page 1799 for repair procedures.
If the packet bus is not alarmed, clear this alarm and restore the board to the packet bus
using:
a. busyout board location
b. reset board location
c. test board location long clear
d. release board location
2. If the problem persists, and there are no PKT-BUS alarms, replace the circuit pack. See
Shutting Down NT on the TN802
on page 1529 before removing the circuit pack.
p. Error Types 3585–3601: The board received misframe errors. Aux Data shows the last
reported misframe count.
q. Error Type 3840: The circuit pack received a bad control channel message from the switch.
This error is not service-affecting, and requires no action. The Aux Data describes the
following error events:
4096 Bad major heading
4097 Bad port number
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