PRACTICE
553-2201-184
Issued: 84 01 20
Standard
IKTEGRATED
SERVICES NETWORK
MERIDIAN SL-1.
SL-1
LINE AND CONSOLE LINE PACKS
DESCRIPTION AND OPERATION
c
c
CONTENTS PAGE
1.
2.
3.
4.
5.
GENERAL
DESCRIPTION
Functions
.._
Physical Description
Interconnection with Shelf
Power Supply to Terminals
l-l
2-l
2-1
2-l
2-2
2-2
CIRCUIT CHARACTERISTICS 3-1
OPERATION WITH SL-1 SET
Idle Circuit States
Call Originated from an SL-1 Set
Call to SL-1 Set
Class-of -Service and Features
4-l
4-l
--4-l
4-2
4-6
DESIGN CONSIDERATIONS
Foreign and Surge Voltage Protection
Overload Level
5-l
5-1
5-l
Printed in
C.S.A.
@
Northern
T&corn
Limited 1993
Page i
1 Page
Revised,
05
06
.
.