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Communication Manager Maintenance-Object Repair Procedures
1722 Maintenance Procedures for Avaya Communication Manager 3.0, Media Gateways and Servers
M/T-PKT (Maintenance/Test Packet Bus Port)
S8700 | 8710 / S8500
The Maintenance/Test packet-bus port (M/T-PKT) is Port #4 on the TN771D Maintenance/Test
circuit pack. The packet-bus port provides the following packet-bus maintenance functions:
● Packet-bus fault detection
The ability to detect faults (for example, shorts, open leads) on the packet bus
autonomously (i.e., without Communication Manager involvement).
● Packet-bus re-configuration
The ability to swap faulty leads with spare leads autonomously so that the packet bus
remains operational. This is accomplished by sending a message to every circuit pack
using the packet bus (for example, TN556 ISDN-BRI), telling it which spare leads to use on
the bus.
M/T-PKT maintenance ensures that these maintenance functions are operating correctly. The
Maintenance/Test packet-bus port is alarmed if maintenance determines that the port’s
maintenance functions are operating incorrectly.
When M/T-PKT maintenance determines that the packet-bus port is defective, the packet-bus
fault-detection and re-configuration functions provided by the port will be turned off.
M/T-PKT maintenance interacts with packet-bus maintenance. Therefore, there may be alarms
on the packet bus when there is a fault on the M/T-PKT. For further information, refer to the
PKT-BUS MO’s section.
Hardware Error Log Entries and Test to Clear Values
MO Name in
Alarm Log
Alarm
Level
Initial SAT Command to Run Full Name of MO
M/T-PKT MIN test port location l Maintenance/Test Packet Bus port
M/T-PKT WRN release port location Maintenance/Test Packet Bus port
Table 638: M/T-PKT 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
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