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MERLIN LEGENDCommunications System Release 6.1 | Issue 1 | |
System Planning | August 1998 | |
3 Lines/Trunks |
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| Selecting Line/Trunk Options | Page |
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| Tie Trunks | 3 |
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Use these instructions only if the system has tie trunks, including tie trunks emulated through a DS1 connection. Otherwise, skip to the next section, “DID Trunks (Hybrid/PBX Mode Only).”
If configuring
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
■Private network tandem trunks
NOTE:
See the Network Reference for information on private networking.
This section contains instructions for each of these options.
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:
■If the tie trunk is
■If the trunk is
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: