User Guide

DEFINITY Enterprise Communications Server Release 5
Maintenance and Test for R5vs/si
555-230-123
Issue 1
April 1997
Maintenance Commands and Trouble-Clearing Aids
Page 8-443status conference
8
Frame Alignment Word (FAW) Information. The FAW section of page 3
provides the channel Frame Alignment Word information for the communication
paths labeled CHL 1 and 2. For 2B calls, both CHL 1 and 2 are used. For
1-channel calls (112,bps, 128kbps, 168kbps, 196kbps, 224kbps, 256kbps,
280kbps, 320kbps, 336kbps, 384kbps, 768kbps, 1472kbps, 1536kbps, and
1920kbps) only CHL 1 is used. A-OUT, A-IN, M-FRM, MFA, and MFN are flags
with values of y or n.
RTLS Applies only to single screen conferences. A value of y indicates that
the endpoint is watching the video of the return source.
HYPR A value of y indicates hyperactivity from an endpoint (MCU isolated
endpoint from the MMCH conference due to “thrashing” behavior)
and affects endpoint’s status as a video source (for 5 seconds of
hyperactivity timer). The HYPR counter indicates the number of times
this endpoint was hyperactive.
DMUTE A value of y indicates that the decoder was muted by the VC board or
the software in the MCU. VC board mutes the decoder when it loses
MMI or endpoint framing is lost, when it receives an invalid audio
code word, and when endpoint is hyperactive. The only time that the
MCU software mutes the decoder of an endpoint is to mute all
endpoints, other than the broadcaster, when a mode of a conference
is “broadcastw/scan” (broadcast with auto scan). The DMUTE
counter indicates the number of times this endpoint’s decoder was
muted by the VC board.
VFMT The video format applicable only to quad-screen conferences. This
field always has a value of n, indicating QCIF format.
H.261 A value of y indicates video framing loss. The H.261 counter
indicates the number of times the framing was lost.
A-OUT MCU has endpoint framing.
A-IN Endpoint has MCU framing
M-FRM Multichannel frame alignment is present (alignment of both channels
in 2B).
MFA Multiframe alignment word is present (required in 2B call).
MFN Multiframe numbering is present (required in 2B call).
FAS Frame Alignment Signal (FAS) channel number (1 or 2). This number
should match the column header.
MCUFAL MCU Frame Alignment Loss (MCUFAL). A counter of the number of
times the MCU indicates to the endpoint that it has lost endpoint FAW
or multichannel synchronization (M-FRM). The MCU a-bit toggles
when the MCU gains or loses endpoint multichannel synchronization.
This counter starts with an initial value of 0x00, increments to 0xff,
then wraps around to 0x01. The MCUFAL count is also shown in the
Fr Err field on Page 2