AT&T System 25 User Manual
Page 210
MAINTENANCE
ERROR MESSAGE
AND DESCRIPTION
POSSIBLE SOLUTION
Bad Port: (STARLAN Interface
Recoverable; no action required.
CP) This error is an isolated
transient condition.
Bad Ringing Supply: Problems
Check ring voltage on associated
detected with ringing portion of
power supply (see Figure 4-2).
power supply.
Belated External Release:
S e e
Normally, no action required;
however if
problem persists,
check for faulty trunk (see Figure
4 - 3 ) .
Buffer
Deallocation
Failure:
If reset is not successful, reseat
(STARLAN Interface CP) This
board. If the reseat fails, replace
error resets the CP.
the CP.
Bus Error Test Failed: Bus error
If this problem persists, replace
circuitry failure.
CPU/Memory CP.
Cold Start: System was restarted
Check the CPU/Memory CP to
and initialized to the default
see if the cold start strap was
translations. This error is logged
removed. Strap is located at the
after a user forced cold start.
bottom left quarter between pins
El and E2. An error message will
be displayed on the SAT during
system initialization if a cold strap
is installed.
If the strap is
installed,
remove
i t .
If the
CPU/Memory CP was removed
while in use, the system may
perform a cold start due to
corruption in translations. Restore
s y s t e m as described in the
Administration Manual.
CPU ROM Checksum Error: CPU
If this problem persists, replace
has failed the ROM test.
the CPU/Memory CP.
4-34