beautypg.com

No external release on pbx, Disconnect – AT&T System 25 User Manual

Page 216

background image

MAINTENANCE

ERROR MESSAGE

AND DESCRIPTION

POSSIBLE SOLUTION

Memory Management Error:

B u s

Possible

s o f t w a r e error.

If

error that occurs while accessing

problem

persists,

c h e c k o r

the “other than protected” RAM.

replace CPU/Memory CP. A

A warm start is logged after this

warm start or retranslation of the

e r r o r .

system could be a possible fix for

this problem.

Memory ROM Checksum Error:

If this problem persists, replace

Memory has failed the ROM test.

CPU/Memory CP.

Message Corruption: (Other than

If consistent error for particular

CPU/Memory)

Down-link

port CP, check TDM bus drivers

message checksum error.

on the CP. If error is associated
with many CPs, drivers on CPU
may be bad.

Also check 1/O

cables and TDM bus terminator.

M e s s a g e From Non-Translated

Translate the CP and its port, or

Port: Untranslated port CP sent

remove the CP from system.

an up-link message.

No External Release On PBX

Check associated trunk

( s e e

Disconnect:

CO

did not release

Figure 4-4). Error is cleared from

within 4-5 minutes on DID or

log when trunk release occurs

ground start trunk after System 25

belatedly.

disconnected. M e s s a g e

s e n t

every 4-5 minutes until release.

N o

F r e e Buffer:

(STARLAN

If the reset is not successful,

Interface CP) This error resets the

reseat board. If the reseat fails,

C P .

replace CP.

No Loop Current On Incoming

Swap CP with similar CP. If

Call:

CP does not detect dc

problem follows the boards,

current on answered incoming

replace CP. If problem persists,

call. Call will drop.

test the trunk per Figure 4-3.