Tie Trunks - Lucent Technologies MERLIN LEGEND Release 5.0 System Planning Manual

MERLIN LEGEND Communications System Release 5.0
System Planning 555-650-112
3 Lines/Trunks
Selecting Line/Trunk Options

Tie Trunks

Use these instructions only if the system has tie trunks, including tie trunks
emulated through a DS1 connection. Otherwise, skip to the next
Trunks (Hybrid/PBX Mode
If configuring T1-Tie trunks, including those with Switched 56 digital data service,
complete the instructions in
Tie trunks must be configured to match central office requirements or the
configuration of the system to which they tie. Review tie trunk operations and
make the following decisions about the way each tie trunk operates:
Direction
Signaling type
E & M Signaling
Dial mode
Dial tone
Answer supervision time
Disconnect time
This section contains instructions for each of these options. For detailed
information about DID trunks, see the Equipment and Operations Reference.
Planning Form Instructions
1. Transfer the trunk identification from Form 2c, System Numbering:
Line/Trunk Jacks, to Form 3c, Incoming Trunks: Tie. Write the logical ID
and trunk number for each tie trunk connected to the system.
2. Under the Direction heading on Form 3c, check the direction for each tie
trunk next to its trunk number:
3. Under the Signaling Type (Intype/Outtype) heading, check the appropriate
column for either In or Out under the Wink, Delay, Immediate, or Automatic
columns for each tie trunk. For T1 facilities used for services (for example,
Megacom), consider the direction of the tie trunk and how trunk
assignments will be made. Then select from the following:
NOTES:
1. Check the same signaling type used by the system to which you are
connecting. For incoming-only or two-way tie trunks, the incoming type
must be the same as the outgoing type of the remote system. For
Only)''.
the''T1 Service''
If the tie trunk is two-way, check the Two Way (factory-setting)
column.
If the trunk is one-way, check either the Outgoing column or the
Incoming column.
3
section,''DID
section first.
Issue 1
June 1997
Page 3-35