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
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