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MERLIN LEGEND Communications System Release 6.1
Installation
555-661-140
Issue 1
August 1998
Connecting the Control Unit to the Network Interface
Page 4-4
Wiring
facilities. These codes are shown in Table 4–2, by trunk type and
adapter type.
NOTE:
The preferred network interface is the RJ48X. If a customer’s site
uses the RJ48X interface and the customer’s equipment does not
provide connection, the T1 trunk’s receive pair is looped back to the
transmit pair. This simplifies troubleshooting the T1 trunk from the
central office.
In most installations, the network interface is connected through a
cross-connect field to the control unit. However, for systems with
fewer than 24 extensions, you can connect the trunk wires directly
to the control unit.
When constructing wiring fields between the network interface and the
control unit, you must order hardware as individual parts. Do not use
Interconnect Wiring or Systimax wiring kits.
Table 4-2. Central Office Network Interface Codes
Trunk Type
Federal Interface
Code for Trunk Network Interface
LS central office trunk 02LS2 RJ11C, RJ14C, RJ21
GS central office trunk 02GS2 RJ11C, RJ14C, RJ21
DID 02RV2-T RJ11C, RJ14C, RJ21
OPS OL13C RJ11C
Tie trunk TL31M RJ2GX
BRI 02B1Q RJ11C, RJ14C, RJ21
DS1 04DU9-B
04DU9-C
RJ48C/X
See note below.