Lucent Technologies 555-661-140 manual Network Interfaces Description Adapter

MERLIN LEGEND Communications System Release 6.1	Issue 1
Installation 555-661-140	August 1998
Connecting the Control Unit to the Network Interface	Page 4-3
Wiring

The adapter you need to connect the central office trunks to the control unit depends on the type of network interface installed, as shown in Table 4–1.

Table 4-1.	Network Interfaces
Network
Interface	Description	Adapter
RJ11	Connects one outside ground-start (GS),
	loop-start (LS), or Direct Inward Dial (DID)
	trunk to one modular jack.

RJ14	Connects two outside trunks to one
	modular jack (GS, LS, or DID).

2-line adapter (267C-type)

RJ21X	50-pin connector connects 25 110AB1	110AB1 jack-panel block
	jack-panel block to outside trunks (GS, LS
	or DID).
RJ2GX	50-pin connector for up to eight tie trunks.	356A for eight or fewer tie
		trunks; 259A for one tie
		trunk

RJ48C/X	Connects DS1 facilities to a four-pair jack
	(two active pairs).

Z601A if modular cords are used

After installing the adapter, label each jack that connects a central office trunk to the control unit with the trunk’s number. Use the list provided by the local telephone company or System Form 2c, System Numbering:

Line/Trunk Jacks for outside trunks as a reference.

NOTE:

If you need to connect the trunk cords differently from the instructions on the system forms, record each change on Form 2c, System Numbering: Line/Trunk Jacks. See Appendix A, “System Numbering Forms.”

Also, you may need to know the interface codes for network