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MMI-BD
Issue 1 June 2005 1655
MMI-BD
S8700 | 8710 / S8500
Two circuit packs can be used for multimedia connections:
● TN787D (or later) on page 1655
● TN2207/Expansion Services Module on page 1656
TN787D (or later)
The Multimedia Interface circuit pack (TN787D or later, also called the MMCH circuit pack)
provides a number of H.221 protocol terminations for bit streams received from the TDM bus.
The Multimedia Interface de multiplexes 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. There are 32 ports (also called resources) on the circuit pack. See
MMI-PT
on page 1669 for maintenance of these resources.
The MMI circuit pack contains 4 digital signal processors that manage the 32 resources.
MO Name
in Alarm
Log
Alarm
Level
Initial SAT Command to Run Full Name of MO
MMI-BD MAJ test board location l r# Multimedia Interface circuit pack
MMI-BD MIN test board location l r# Multimedia Interface circuit pack
MMI-BD
1
1. Refer to XXX-BD (Common Port Circuit Pack/Media Module) on page 2539.
WRN test board location s r# Multimedia Interface circuit pack