DEFINITY ECS Release 8.2
Administrator’s Guide
555-233-506 Issue 1
April 2000
Features and technical reference
1427Messaging Server Interface
20
Automatic Message Waiting lamp — When users manipulate message
waiting lamps on stations.
Clock Synchronization — Used to make sure that the MS clock is
synchronized with the DEFINITY ECS clock.
Detailed description
Figure 56 shows an MS interface to the system. You can provide SCI link
connectivity (control path) via either an MPDM (distance between t he sys tem and
Messaging Server less than 5000 feet or 1500 meters) or LADs and an associated
MTDM (distance greater than 5000 feet or 1500 meters). The EIA connectivity
(data path) can be implemented via one of the three options shown.