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MERLIN LEGENDCommunications System Release 6.1
System Planning
555-661-112
Issue 1
August 1998
Lines/Trunks
Page 3-6Identifying Line/Trunk Jacks
3
Incoming Line/Trunk Type 3
Use the procedure in this section to match incoming trunks to the continuous
sequence of line/trunk jacks on the control unit, beginning with the first line/trunk
jack (logical ID 1).
NOTE:NOTE:NOTE:
(Key mode only) If the system is registered with the FCC registration
number of AS59CM-7914-KF-E, and the processor module has been
modified for Permanent Key mode, you can connect loop-start trunks to the
GS/LS type line/trunk jacks. With the KF registration number, ground-start
trunks are allowed only when the system includes DS1 connectivity
dedicated as a T1 type and the channels are used to emulate ground-start
trunks.
This procedure also includes instructions for assigning a label to identify the
line/trunk being used.
Planning Form Instructions 3
1. In the Incoming Line/Trunk Type column of Form 2c, write the type of
line/trunk you plan to connect to each line/trunk jack, T1 channel or BRI
channel: Main No., personal line, FX (Foreign Exchange), WATS (include
band), DID, or Tie. (Contact the local telephone company for line/trunk
information.) Use the following guidelines:
■ Group trunks together according to type: basic loop-start or
ground-start trunks, and special-purpose loop-start or ground-start
trunks. (DID, PRI, T1, BRI and tie trunks are automatically grouped
according to type since they require specific types of modules.) The
local telephone company supplies the information you need to
identify the specific trunks connected to each line/trunk jack on each
DID and tie trunk module and each channel on each 100D or 800
NI-BRI module.
■ Use line/trunk jacks at the beginning of the sequence for basic
ground-start and/or basic loop-start trunks. Use jacks later in the
sequence for special-purpose trunks such as WATS or FX.
■ If a line/trunk such as WATS is only inbound or only outbound (not
two-way), include that information along with the line/trunk type.