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MAINT (EPN Maintenance Circuit Pack)
Issue 4 May 2002 10-1023 555-233-123
Network Control Circuit Pack Dual Port Ram
(DPR) Test (#104)
This test is destructive.
When executed, this test drops the EPN Manager I (G1) or G3MT terminal login.
The login prompt reappears if the test passes successfully.
The Dual Port Ram (RAM), memory shared by the TN777 Processor circuit pack
and the Network Control circuit pack, is tested to ensure that it can be read from
and written to. EPN Maintenance circuit pack maintenance utilizes the DPR on the
Network Control circuit pack for placing messages that eventually get passed
along to the Expansion Interface circuit pack in the EPN cabinet and subsequently
to the EPN Maintenance circuit pack in the EPN cabinet.
Table 10-369. TEST #104 Network Control Circuit Pack Dual Port Ram (DPR) Test
Error
Code Test
Result Description/Recommendation
1000 ABORT System resources required for this test are not available.
1030 ABORT Internal system error
2028 ABORT Internal system error
2029 ABORT Internal system error
1. Retry the command at 1-minute intervals a maximum of 5
times.
10401 ABORT Test disabled using a software patch.
FAIL The test failed.
1. Since a portion of the Network Control circuit pack (the
Dual Port Ram) is actually being tested here, run the Short
Test Sequence against the Network Control circuit pack
(SW-CTL) and follow the maintenance procedures for Test
#325.
2000 FAIL Response to the test request was not received within the
allowable time period.
1. Retry the command at 1-minute intervals a maximum of 5
times.
PASS The communication to the EPN Maintenance circuit pack is
good at least up to the Network Control circuit pack. If there are
still problems communicating with the EPN Maintenance circuit
pack, then these problems must be with either the EXP-LINK
(Expansion Links), EXP-INTF (Expansion Interface) circuit
pack, or the EPN MAINT (Maintenance) circuit pack.
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