EXP-LINK (Expansion Interface Link)
Issue 4 May 2002
10-815555-233-123
EXP-LINK (Expansion Interface Link)
The EXP-LINK (Expansion Interface Link) Maintenance strategy is covered in the
EXP-INTF (Expansion Interface Circuit Pack) Maintenance documentation.
Error Log Entries and Test to Clear Values
Notes:
a. This alarm is used only to indicate that all Expansion Interface Links
between a pair of Port Networks (PNs) are down. This condition is
indicated by the EXP-LINK Error Type 122 in the Error Log. When this
condition occurs, examine all EXP-INTF errors to resolve the alarm.
The pair of PNs is specified in the port fields as follows: 1-2 (PPN to
EPN1), 1-3 (PPN to EPN2), and 2-3 (EPN1 to EPN2).
b. Aux Data values of blank and 1 through 10 mean that the link is down due
to a defective Expansion Interface Link. Look for and resolve Expansion
Interface circuit pack errors.
c. Aux Data values of 30 through 40 mean that the EPN was reset because of
a temporary loss of system timing reference on the EPN. Execute the
display errors command with the category “tone” to determine what
caused the loss or restoration of the clock.
MO Name (in
Alarm Log)
Alarm
Level
Initial Command
to Run Full Name of MO
EXP-LINK MAJOR display errors
1
1 Display errors for “infc” category and investigate EXP-INTF errors.
Expansion Interface Link
Table 10-297. Expansion Interface Circuit Pack Error Log Entries
Error Type Aux Data Associated Test
Alarm
Level
On/Off
Board Test to Clear Value
0 0 Any Any Any disp err
122 (a) None MAJOR ON
122 (b) None, 1-10 None MAJOR ON
122 (c) 30-40 None MAJOR ON
122 (d) 6 None MAJOR ON
122 (e) 8 None MAJOR ON
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