User's Manual

DEFINITY ECS Release 8.2 Maintenance for R8.2csi 555-233-119 Issue 1
April 2000
Maintenance for csi systems
1-90Multimedia Call Handling
1
Power Supply LEDs
Table 1-9 shows the LED and alarm conditions for the 650A Power Supply. Ring
voltage and neon bus output do not activate alarm status.
Multimedia Call Handling
■ ‘‘Expansion Services Module’’
■ ‘‘Troubleshooting MMCH’’
Expansion Services Module
The Expansion Services Module (ESM) shown in
Figure 1-27
provides T.120 data
sharing capability on a MMCH multipoint H.320 video conference. Each
conference participant must have endpoints administered and a personal
computer with the H.320 video application installed. The DEFINITY ECS must
have the expansion service module installed.
Table 1-9. LED and Alarm Conditions
Condition LED Status Alarm State Fan Alarm
Normal Red off;
Yellow on
Open Normal
No input power Red off;
Yellow off
Closed No input power
DC output not present
(except Neon)
Red on;
Yellow off
Closed DC output not present
(except Neon)
Fan alarm Red on;
Yellow on
Closed Fan alarm