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Maintenance Object Repair Procedures
555-233-123 10-1114 Issue 4 May 2002
MMI-BD
Two circuit packs can be used for multimedia connections:
■
‘‘TN787D (or later)’’
■
‘‘TN2207 and the Expansion Services Module’’
TN787D (or later)
The Multimedia Interface Circuit Pack (TN787D or later), also called the MMI
pack, 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.
Other resources on the MMI pack are:
■
32 ports
■
4 digital signal processors that manage the 32 resources
NOTE:
Refer to ‘‘Troubleshooting MMCH’’ in Chapter 5, ‘‘Routine Maintenance
Procedures’’ for MMCH troubleshooting information.
MO Name (in
Alarm Log)
Alarm
Level Initial Command to Run
1
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).
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
2 Refer to XXX-BD (Common Port Board).
WARNING test board PCSS s r# Multimedia Interface Circuit Pack