05721-1098 <90-00050>
P
AGE
3
Specific Application
This application consists of two basic assemblies. A18-05720-XX for
the Local Serving Office (LSO) and the A18-05721-XX Service Node
assemblies. These assemblies will work together to make a self
healing system with two RS-232 ASCII ports at every LSO and one
Alarm channel that is common to all LSO locations. Each Channel
will terminate at the Service Node on DB25 connectors configured
as DTE, RS-232 interfaces.
F
IG
. 1 - F
RONT
V
IEW
, 05721 S
YSTEM
NOTE:
For a larger, more detailed drawing of the above, please refer to
Sheet # 8 of the A18-05721-XX Block Diagram.
GENERAL DESCRIPTION
SHELF 'A'
SHELF 'B'
SHELF 'C'
SHELF 'D'