Trunk Types Supported - Nortel Meridian 1 Option 11C Compact Technical Reference Manual

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Trunk types supported

553-3121-100 Standard 2.0
Chapter 11 — NTMW07 Trunk/Line Card
• interfaces four PCM signals to one DS-30X timeslot in A10 format
• transmits and receives SSD signaling messages over a DS-30X signaling
channel in A10 format
• supports PCM signal loopback to DS-30X for diagnostic purposes.
• is equipped with Power Fail Transfer (PFT)
The four trunk units on the card support the following types of trunks:
• Central Office (CO), Foreign Exchange (FX), and Wide Area Telephone
Service (WATS)
• Direct Inward Dial (DID) and Direct Outward Dial (DOD)
• Tie Two-way Dial Repeating (DR) and Two-way Outgoing Automatic
Incoming Dial (OAID)
• Paging (PAG)
Note: All-call zone paging is not supported.
• Recorded Announcement (RAN).
The NTMW07 Trunk/Line Card also supports Music and Direct Inward
System Access (DISA).
Table 37 is a matrix of the trunk types and signaling supported by the
NTMW07 Trunk/Line Card.
September 1998