Network Interfaces - AT&T MERLIN LEGEND Installation & Maintenance Manual

Installation
Table 3-32 Network Interfaces
Network
Interface
RJ11-type
RJ14-type
RJ21X
RJ2GX
RJ48C/X
After installing the adapter, label each jack going to the CU with
the CO line number. Use the list provided by the local telephone
company or the planning form(s) for outside lines/trunks as a
reference.
You may also need to know the interface codes for network
facilities. These codes are shown below in Table 3-33 by trunk
type and adapter type.
Description
Connects one outside
ground-start (GS), loop-
start (LS), or Direct
Inward Dialing (DID)
line/trunk to one
modular jack
Connects two outside
lines/trunks to one
modular jack (GS, LS,
and DID)
50-pin connector
connects 25 outside
lines/trunks (GS, LS,
and DID)
50-pin connector for up
to eight tie trunks
Connects DS1 facilities
to a 4-pair jack (two
active pairs)
Adapter
2-line adapter (267C-
type)
110AB1 jack-panel
block
356A for eight tie trunks
259A for one tie trunk
Z601A if modular cords
are used
System Wiring 3-79