MERLIN LEGENDCommunications System Release 6.1
System Planning
555-661-112
Issue 1
August 1998
Lines/Trunks
Page 3-28Selecting Line/Trunk Options
3
T1 Switched 56 – Network 3
Use these instructions only if channels on a 100D module are to be programmed
as T1 Switched 56 channels. The instructions provided in the “T1 Service” section
must be completed first.
T1 Switched 56 service provides high speed digital data services (up to 56-kbps
per channel) to the network as well as digital Tie trunk services. This allows you to
use your T1 facilities for basic digital data and file transfer needs, as well as for
more sophisticated personal and/or group video conferencing.
NOTES:
1. T1 Switched 56 service is supported only in Hybrid/PBX or Key mode.
2. Incoming data calls that attempt to route to busy data endpoints,
unassigned Dial Plan numbers, or ports that are not equipped with data
endpoints will not be connected.
This section contains instructions for configuring those T1 Switched 56 options
that apply to the T1 network interface. For information specific to digital Tie trunk
planning, refer to the “Tie Trunks” section of this chapter.
The following options are covered in this section:
■ Direction
■ Incoming and Outgoing Signaling Type
■ Incoming and Outgoing Signaling Mode
■ Dial Plan Routing options (incoming services)
After completing the procedure for filling in the module information on Form 3b,
pages 1 and 2, continue to the next section to fill in T1 Switched 56 options.
Planning Form Instructions 3
On Form 3b (page 11), T1 Switched 56 Options, for each T1 channel programmed
for T1 Switched 56 service:
1. Select the Channel Direction.
■ Select either Incoming, Outgoing, or Two Way. The factory setting
is Two Way.
2. Select both the Incoming and Outgoing Signaling Mode.
■ Select either Touch-tone or Rotary. The factory setting is
Touch-tone.
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