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Communication Manager Maintenance-Object Repair Procedures
2504 Maintenance Procedures for Avaya Communication Manager 3.0, Media Gateways and Servers
VAL Congestion Controls
The switch activates congestion controls on VAL when it detects buffers exceeding the
threshold. The switch releases the congestion controls when the VAL reports that its buffer level
has returned to normal levels.
Error Log Entries and Test to Clear Value
Notes:
a. Error Type 0: there is no short test sequence for this MO. Every test is available in the long
test sequence. Refer to each appropriate test’s description, and follow its recommended
procedures.
b. Error Type 1: SCOTCH Synchronous Loop-Around Test (#1275) failed.
1. Test the port (test port location long).
2. See SCOTCH Synchronous Loop-Around Test (#1275)
on page 2507 repair procedures.
c. Error Type 257: VAL port detected overrun or underrun condition that can indicate a
hardware problem.
1. Test for hardware problem (test port location long).
If congestion: Then the switch:
Persists for a 14-minute interval Raises MINOR alarm
Exhausts buffers Raises MINOR alarm
Ceases for 12 minutes Retires MINOR alarm
Error
Type
Aux
Data
Associated Test Alarm
Level
On/Off
Board
Test to Clear Value
0 (a
) 0 Any Any Any test port location
l
1 (b
) 0 SCOTCH Sync
Loop-Around (#1275)
MIN ON test port location
l r 3
257 (c
)0 WRNOFF
3585 (d
) 0, 1 TDM Loop-Around Test
(#1285)
MAJ ON test port location
l r 3