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MERLIN LEGENDCommunications System Release 6.1
System Planning
555-661-112
Issue 1
August 1998
Lines/Trunks
Page 3-24Selecting Line/Trunk Options
3
Planning Form Instructions 3
On Form 2c, System Numbering: Line/Trunk Jacks:
1. For all trunks listed as “PRI” in the Jack Type column:
NOTE:
You cannot use Channel 24 for services.
a. Write the kind of service to be connected to each channel in the
Incoming Line/Trunk Type column. If the PRI channel is being used
in a private network, write
NTWK and the switch identifier in this
column.
b. Write
unequipped in the Incoming Line/Trunk Type column for any
channel not used at this time.
2. For all trunks listed as T1-Tie that do not show an
unequipped entry in the
Incoming Line/Trunk Type column, write the kind of service connected to
each channel in the Incoming Line/Trunk Type column.
NOTE:
If you use common-channel signaling, you cannot use Channel 24
and program the module for tie-trunk emulation.
3. Do
one
of the following:
a. To select settings for T1 and T1 Switched 56, continue to the next
section, “T1 Service.” For T1 Switched 56 service, you must also
complete the “T1 Switched 56” section.
b. To select settings for PRI, skip to “PRI Service.”
T1 Service 3
T1 service allows the emulation of different analog lines. You can also order
services, such as Megacom 800, over the channels. The capacity, however, is
limited to voice calls and data calls using a modem. In addition, beginning with
Release 4.0 of the MERLIN LEGEND Communications System, T1 supports
ACCUNET Switched Digital Service (or other circuit-switched data service) at
56-kbps when the T1 channel or T1-Tie trunk is configured as T1 Switched 56.
Release 6.0 and later systems allow T1 service to provide PRI or T1 Tie service in
a private network.
The planning form instructions below apply to both T1 and T1 Switched 56 service
except where noted. If you are configuring channels for T1 Switched 56 service,
complete these instructions then proceed to the “T1 Switched 56 – Network”
section that immediately follows. If configuring T1-Tie trunks for T1 Switched 56
service, proceed to the “Tie Trunks” section after completing these instructions. If
you are planning to use T1 service as PRI trunks in a private network, check the
PRI box under Type of Service on Form 3b (page 1) and proceed to the “PRI
Service” section. See the
Network Reference
for more information regarding
configuration for use in a private network.