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TBRI-PT (ISDN Trunk-Side BRI Port)
Issue 1 June 2005 2291
TBRI-PT (ISDN Trunk-Side BRI Port)
Note:
Note: Consult local records for the location and designation of the equipment rack
where the Media Gateway is mounted.
The MM720 Media Module provides 8 S/T ISDN 2B+D ports that interface to either the central
office or another PBX. The MM720 contains eight, 4-wire ports that interface to the network at
the ISDN S/T reference point over two 64 Kb/s channels (B1 and B2) and over a 16Kb/s
signaling (D) channel. The B1 and B2 channels can be simultaneously circuit switched, or
individually packet switched. Only one channel per trunk can be packet switched due to Packet
Processing Element (PPE) limitations. The D-channel is circuit switched. The circuit-switched
connections have a Mu-law or A-law option for voice and operate as 64Kb/s clear data
channels.
LEDs
The three LEDs on the media module’s faceplate indicate board status. When illuminated, the
red LED indicates a board failure or a major or minor on-board alarm, the green LED indicates
that testing is in progress, and the amber LED indicates that the board is in use.
Hardware Error Log Entries and Test to Clear Values
MO Name Alarm Level Initial Command to Run* Full Name of MO
TBRI-PT MAJ test port GGGVSPP l r# TBRI-PT
TBRI-PT MIN test port GGGVSPP l r# TBRI-PT
TBRI-PT WRN test port GGGVSPP s r# TBRI-PT
Table 819: TBRI-PT 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 sh r 1
1 (b
) Level 1 Status Test
(#1242)
MIN OFF
129 (c
)
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