Instruction manual

MERLIN LEGEND Communications System Release 5.0
System Planning
555-650-112
Issue 1
June 1997
Lines/Trunks
Page 3-21Selecting Line/Trunk Options
3
Because of the complexity of DS1 connectivity planning, you must review the
information in the
Equipment and Operations Reference before you begin this
section and as you work through these instructions.
Planning Form Instructions
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.
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 – Network’’ 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, 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.
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.