AT&T MERLIN LEGEND Communications System Key System Planning Forms Errata Key System Planning page 37

Key System Form 3c, Continued
Clock
Connection 1
CO
PBX
ISDN-PRI
Type of Facilities
Tie
Ls
GS
Services
Key:
Digital Transmission
Facility
Primary Synchronization
Source
Secondary Synchronization
Source
Tertiary Synchronization
Source
Network Planning Map
CONTROL UNIT
1OOD
100D
MODULE 1 MODULE 2
SLOT:_____
SLOT:_____
Approximate Approximate
Distance ____ Distance ____
____
Distance
CSU
CSU
551 - T1L1
551 - T1L1
ESF - T1 ESF - T1
Other*
Other*
None
None
Connection 2
CO
PBX
ISDN-PRI
Type of Facilities
Tie
LS
GS
Services
100D
MODULE 3
SLOT:_____
Approximate
CSU
551 - T1L1
ESF - T1
Other*
None
Connection 3
CO
PBX
ISDN-PRl
Type of Facilities
Tie
LS
GS
Services
Other model numbers
7