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Communication Manager Maintenance-Object Repair Procedures
1710 Maintenance Procedures for Avaya Communication Manager 3.0, Media Gateways and Servers
Figure 97: ISDN-PRI Outgoing Test Call
Hardware Error Log Entries and Test to Clear Values
Looped-back data
stream pattern is
generated by digital
port 1 and checked
by digital port 2 on
the TN771
Digital
Port 1
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TN771
Maintenance/Test
SPE
UN332
MSSNET
TN1655
PKT-INT
TDM
Bus
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Control
. . . . . .
Loop-back
Circuitry
Far-End
Equipment
B-channel carries
looped-back test signal
D-Channel instructs
far end to connect
loop-back circuitry
across B-channel
signal
External DS1 Facility
PBX Equipment
TN464
DS1
Interface
Packet
Bus
Digital
Port 2
Table 632: M/T-DIG Error Log Entries
Error
Type
Aux
Data
Associated Test Alarm
Level
On/Off
Board
Test to Clear Value
0 (a) 0 Any Any Any test port location
1 (b
) 41018 none MIN ON test port location l r 3
18 (c
)0 busyout port
location
WRN OFF release port location
1 of 2