Lucent Technologies MERLIN LEGEND Release 5.0 System Planning Manual page 103

MERLIN LEGEND Communications System Release 5.0
System Planning 555-650-112
3 Lines/Trunks
Selecting Line/Trunk Options
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:
a.
b.
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.
Do one of the following:
3.
a.
b.
T1 Service
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
section that immediately follows. If configuring T1-Tie trunks for T1 Switched 56
service, proceed to the
NOTE:
You cannot use Channel 24 for services.
Write the kind of service to be connected to each channel in the
Incoming Line/Trunk Type column.
Write unequipped in the Incoming Line/Trunk Type column for any
channel not used at this time.
NOTE:
If you use common-channel signaling, you cannot use Channel 24
and program the module for tie-trunk emulation.
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''
To select settings for PRI, skip to "PRI Service."
''Tie Trunks''
section.
3
''T1 Switched 56 – Network''
section after completing these instructions.
Issue 1
June 1997
Page 3-21