System Components; Line/Trunk And Extension Modules - AT&T MERLIN LEGEND Release 3.1 System Manager's Manual
Communications system
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Also See for MERLIN LEGEND Release 3.1:
- System programming manual (887 pages) ,
- Maintenance and troubleshooting manual (426 pages) ,
- System planning manual (384 pages)
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Control Unit
PFT Jack
Line/
Line/
Trunk
Trunk
Jacks
Jacks
Line/
Line/
Trunk
Trunk
Jacks
Jacks
PFT Jack
800
800
100D
NI-BRI
GS/LS-ID
Off-Premises
Telephone
(OPT) Jacks
Off-Premises
Telephone
(OPT) Jacks
Analog
Extension
Jacks
008 OPT
008
Figure 3–3. Line/Trunk and Extension Modules
Tie-
Trunk
Line/
Jacks
Trunk
Jacks
PFT Jack
4-pair
Jacks
(DS1)
Tie-
Trunk
Jacks
400EM
400
Basic
Telephone
Jacks
Digital
Extension
Jacks
008 MLX
012
Line/
Trunk
Jacks
Line/
Trunk
Line/
Jacks
Trunk
Jacks
PFT Jack
400
800 DID
800
GS/LS/TTR
PFT Jack
Line/
Trunk
Jacks
Basic
Telephone
Jacks
Analog
Extension
Jacks
016
408
408
GS/LS
System Components
PFT Jack
PFT Jack
Line/Trunk
Line/Trunk
Jacks
Jacks
Line/Trunk
Line/Trunk
Jacks
Jacks
PFT Jack
PFT Jack
800
GS/LS
PFT Jack
PFT Jack
Line/
Line/
Trunk
Trunk
Jacks
Jacks
Analog
Digital
Extension
Extension
Jacks
Jacks
408
GS/LS-MLX
3–13
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