AT&T 555-600-736 manual Reusable Modules from Merlin II R3

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This section lists the LEGEND system trunk and off-premises modules and the appropriate PEC and Comcodes. More complete code information can be found in Section A of the Systems Manual (555 -610- 200).

Line/Station Modules		PEC	Comcode

100D DS1 module		61491	105461560
400 E&M module		8303-200	105311401
400 GS/LS/TTR module		61483	105627988
400 (TTR)		61379	105408892
408	LS ATL module	61482	105512495
408	GS/LS ATL module	61481	106064678
800	DID module	61488	105628002
800	GS/LS module	61484	105627996
800	LS module	61384	105351100
008 OPT module		61489	106387525
008 ATL module		61485	105351092
008 MLX module		61486	105628010
012 Basic Tel		61487	106397631

Reusable Modules from Merlin II (R3)

The following modules used in Merlin II Release 3 system can also be used in the Legend system.

●391A Power supply module

(39lA1 recommended; found in later MERLIN II R3s)

●800 Line/trunk module

●400 Line/trunk module

●400 E&M line/trunk module

●012 Basic telephone module

●008 Analog station module

●408 Analog line/trunk & station module

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Contents AT&T Merlin Legend Communications System Application Notes Page Merlin Legend Trunking Concepts Application Note Index Introduction to Trunking Concepts TIP and Ring ExplainedLines and Trunks LOOP-START Trunks Operations LOOP-START Trunks POTENTIAL-PROBLEMS Problem of GlareAutomated Attendant Ghost Calls and Loop-Start Facilities LOOP-START Trunks When to USE LOOP-START Trunks Proper Loop-Start Facility ApplicationsUnavoidable Loop-Start Facility Applications Cost GROUND-START Trunks Operations GROUND-START Trunks Potential Problems GROUND-START Trunks When to USE GROUND-START TrunksDirect Inward Dialing did Trunks Operational Characteristics Did Trunk Signaling Characteristics Types of Loop Reverse-Battery SignalingAdministration Considerations in Using did Trunks When to USE did Trunks TIE TrunksSimple Tie Trunk Operation Tandem Tie Trunk Operation Signaling and Implementation TIE LinesTransferring Calls P E Transmit C E I V E ON-HOOK OFF-HOOK OFF Premises Stations Page DS1 Service Overview and OperationsDESIGN, Signaling & Implementation Potential Problems/LimitationsData Communications Equipment Do GBS Customers Need T-1?Channel Service Unit CSU Multiplexer MUX DS1 Facility Services IsdnSDN SID/ANI Maintenance and Troubleshooting Special HOTEL/MOTEL TrunksOperation Overview Hardware Module LINE/TRUNK Station Type Specifications TTR Trunk analog voice Reusable Modules from Merlin II R3 Administration ConsiderationsReferences