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DEFINITY Enterprise Communications Server Release 6
Maintenance for R6vs/si
555-230-127
Issue 1
August 1997
Maintenance Object Repair Procedures
Page 10-845MMI-BD
10
MMI-BD
The Multimedia Interface Circuit Pack (TN787D or later) provides a number of
H.221 protocol terminations for bit streams received from the TDM bus. The
Multimedia Interface demultiplexes the H.221 bit stream (audio, video, data,
control, and indication signals) and transmits the bit streams onto the TDM bus
so that the appropriate circuit packs can process them.
The Multimedia Interface circuit pack is commonly referred to as the MMI pack
for H.221 protocol termination. It is also called the MMCH circuit pack. There are
32 ports (also called resources) on the circuit pack. See MMI-PT for maintenance
of these resources.
The MMI circuit pack contains 4 digital signal processors that manage the 32
resources.
NOTE:
Refer to ‘‘Troubleshooting Multimedia Call Handling (MMCH)’’ in Chapter 5
for MMCH troubleshooting information.
1. Where P is the port network number (1 for PPN and 2 or 3 for EPN); C is the carrier designation
(for example, A, B, C, or D); and SS is the address of the slot in the carrier where the circuit pack
is located (for example, 01, 02, ..., and so forth).
2. Refer to XXX-BD (Common Port Board).
MO Name (in
Alarm Log)
Alarm
Level Initial Command to Run
1
Full Name of MO
MMI-BD MAJOR test board PCSS l r# Multimedia Interface Circuit Pack
MMI-BD MINOR test board PCSS l r# Multimedia Interface Circuit Pack
MMI-BD
2
WARNING test board PCSS s r# Multimedia Interface Circuit Pack