Avaya Media Gateway G350, Руководство по обслуживанию

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Avaya Communication Manager controlled maintenance
MG-BRI (BRI Trunk Media Module MM720 and MM722)
Maintenance of the Avaya G350 Media Gateway 171
June 2004
Error Log Entries and Test to Clear Values
Table 101: ISDN Interface Reference Point definitions
LT Logical Terminal
V Primary Rate user/network (asymmetrical) trunk interface. The ECS is capable
of acting as the user or as the network side of this 1.544 - or 2.048-Mbps
interface.
R Interface between Terminal Equipment and Network Termination
S Basic Rate network-side 4-wire line interface
S/T 4-wire Basic Rate connection to a Network Termination
*
.
* Network Termination 2 (NT2), that terminates Layer 1 and higher layers. PBXs, LANs, and
terminal controllers typically provide NT2 functionality including protocol handling and
multiplexing for Layers 2 and 3.
T 4-wire Basic Rate interface to a Network Termination.
†
† Network Termination 1 (NT1), that terminates Layer 1 and monitors maintenance, performance,
timing, power transfer, multiplexing, and multi-drop termination with contention resolution.
TE Terminal Equipment
U Basic Rate network-side 2-wire line interface.
1 TN556B ISDN-BRI 4-Wire S/T-NT Line (A-law)
2 TN 2185 ISDN-BRI 4-Wire S Interface (Trunk Side)
3 TN2198 ISDN-BRI 2-Wire U Interface
4 TN2198 ISDN-BRI 2-Wire U Interface
5 TN 2185 ISDN-BRI 4-Wire S Interface (Trunk Side)
Table 102: Error Log Entries and Test to Clear Values 1 of 2
Error
Type Aux
Data
Associated Test
Alarm
Level On/Off
Board
Test to Clear Value
0
*
0 Any Any Any test board GGGVM sh r 1
1 (a
•
) Any None MINOR ON
257 (b
•
) 65535 Control Channel Loop Test
(#52) MINOR ON test board GGGVM r 20
513 (c
•
) 4352 to
4357 None ON
769 (d
•
) 4358
1 of 2