User Guide

DEFINITY Enterprise Communications Server Release 5
Maintenance and Test for R5vs/si
555-230-123
Issue 1
April 1997
Maintenance Object Repair Procedures
Page 10-941MMI-PT
10
MMI-PT
NOTE:
Refer to ‘‘Troubleshooting Multimedia Call Handling (MMCH)’’ in Chapter 5
for MMCH troubleshooting information.
The Multimedia Interface Circuit 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 to be processed by the
appropriate circuit packs.
Each Multimedia Interface Circuit Pack contains 32 separately maintained
“ports,” more commonly referred to as "resources." MMI-PT represents one of
these 32 resources. At system boot or when the circuit pack is inserted, 32
resources are inserted into the system.
The MMI circuit pack contains 4 Digital Signal Processors (DSPs) which manage
the 32 resources. These resources are directly mapped to DSPs:
All 8 resources that the circuit pack controls may be placed out of service by the
failure of one of these DSPs.
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).
MO Name (in
Alarm Log)
Alarm
Level Initial Command to Run
1
Full Name of MO
MMI-PT MAJOR test port PCSSpp l r# Multimedia Interface Port
MMI-PT MINOR test port PCSSpp l r# Multimedia Interface Port
MMI-PT WARNING test port PCSSpp l r# Multimedia Interface Port
Resource Direct Map
1-8 DSP1
9-16 DSP2
17-24 DSP3
25-32 DSP4