Instruction manual

MERLIN LEGEND Communications System Release 5.0
System Planning
555-650-112
Issue 1
June 1997
DS1 Connectivity Ordering
Page E-2
E
Audible Ringing Source
Digital PBX Channel Service
Testing Service
AT&T ___
If a CSU other than those listed above is used, Lucent Technologies will not accept
the responsibility for its installation, connection, or testing.
Echo Control Device
not used
Channel Service Unit
Manufacturer AT&T Other _____
Model 3150 __________
Reg. Number AW2USA-74673-DD-E __________
Facility Interface Codes:
Digital D4 Framing
Digital ESF Framing
Digital ESF and B8ZS
Standard CSU jacks and test point provided