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5.5.
t
Error Messages 920 and 921
Local -920- Parameter checksum error on port(s) n
Local -921- Factory-set parameters will be applied to port(s) n
Problem
These messages indicate a port checksum error. The permanent characteristics for
the indicated port do not pass the internal checksum test.
Correction:
Reset the server characteristics using the server database reset switch
(Sl), located at the rear of the server (see Figure 1-3). Press and hold this switch in
while you unplug and reinsert the server power cord. This causes the factory-set
defaults for port characteristics to be reloaded into the server permanent database.
If
this action fails to correct the problem, the server nonvolatile memory (used to
store the characteristics) is faulty. Notify the server manager that the server must be
returned to Digital for repair or for replacement. (Refer to the DECserver 300
Problem Solving manual for information about returning the unit to Digital.)
5.5.2 Error Messages 922 and 923
Local
-922-
Port hardware error on port(s) n
Local
-923-
Port n will be disabled
Problem
These messages show a port hardware error on the ports indicated. The remaining
ports may still be used.
Correction:
There is no corrective procedure for this condition. Notify the server
manager that the server must be returned
to
Digital for repair or for replacement.
(Refer to the DECserver 300 Problem Solving manual for information about return-
ing the unit to Digital.)
5.5.3 Error Messages 925 and 926
Local
-926-
DSR/DTR signal error on port(s) n
Local
-925-
Port(s) may be used with data leads only
Problem
5-4
This message indicates a hardware error with the
DSR/DTR
circuitry for a particu-
lar port, the ports may only be used as data-leads-only.
Correction:
There is no correction for this problem. Notify the server manager that
the server must be returned to Digital for repair or for replacement. (Refer to the
DECserver 300 Problem Solving manual for information about returning the unit to
Digital.)
DECserver 300 Hardware Installation/Owner's Guide
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