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DEFINITY Enterprise Communications Server Release 5
Maintenance and Test for R5vs/si
555-230-123
Issue 1
April 1997
Maintenance Object Repair Procedures
Page 10-687EXP-INTF (Expansion Interface Circuit Pack)
10
PASS
NOTE:
If the Expansion Interface is a TN570 and the system does
not have the Packet Bus enabled field set to yes on the
Maintenance-related system parameters form, then this test
does not execute the packet bus portion of the loop around.
When this test (#242) and the Expansion Interface Local Loop
Around Test #240 pass, this indicates that the Expansion Interface
circuit pack is functioning properly, but it does not verify that the
optical portion of the lightwave transceiver is functioning properly.
Remove the Expansion Interface circuit pack from the busyout
state using the release board PCSS command.
1. If duplicate Expansion Interface Links are available, issue the
test board PCSS command on the Standby Expansion
Interface circuit packs on both ends of fiber. If this test passes
from both sides, but other tests fail, such as Test #241, this
condition indicates either a faulty lightwave transceiver or a
faulty fiber cable. To determine if either a lightwave transceiver
or the fiber itself has failed, execute the Expansion Interface
Manual Loop Back Procedure described in the section
preceding the "Hardware Error Log Entries and Test to Clear
Values" table for this MO.
NOTE:
This test can only be run from both Expansion Interface
circuit packs if they are the Standby pair, and if the Active
pair is working properly.
2. If this Expansion Interface circuit pack is failing other tests, the
Expansion Interface Manual Loop Back Test should be
executed.
If problems still exist after the Expansion Interface
Manual Loop Back Procedure indicates that both
Expansion Interface circuit packs and both lightwave
transceivers are healthy, manually check out the
building fiber. Verify that each optical fiber is connected
to a transmitter at one end and a receiver at the other.
Table 10-195. TEST #242 Expansion Interface Lightwave
Transceiver Loop Around Test — Continued
Error
Code
Test
Result Description/Recommendation
Continued on next page