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662 NT8D14 Universal Trunk card
•
selectable termination of tip and r ing leads into 600 or 900 ohms for
interface with a low-impedance (2 or 4 ohms) source
•
connection of up to 24 trunk units to a single announcement machine
channel
Note: Refer to "Multi-Channel RAN modes" (page 671) for
information on Multi-Channel RAN modes, which are not linked to a
RAN machine or a given trunk.
When configured for Recorded Announcement (RAN) operation, a trunk unit
is connected to a customer-provided-recorded announcement machine.
Announcement machines must be compatible with Meridian 1 RAN trunks.
Use the manufacturer’s instructions to set up the Announcement machines.
Each trunk unit provides the following for operation with RAN equipment:
• pulse start, level start, or continuous operation modes
•
selectable termination of tip and r ing leads into 600 or 900 ohms for
interface with a low-impedance (2- or 4-ohm) source
•
connection of up to 24 trunk units to a single announcement machine
channel
Note: Refer to "Multi-Channel RAN modes" (page 671) for
information on Multi-Channel RAN modes, which are not linked to a
RAN machine or a given trunk.
When configured for Recorded Announcement (RAN) operation, a trunk unit
is connected to a customer-provided recorded announcement machine.
Announcement machines must be compatible with CS 1000 RAN trunks.
Use the manufacturer’s instructions to set up the Announcement machines.
Each trunk unit provides the following for operation with RAN equipment:
•
pulse start, level start, or continuous operation modes
•
selectable termination of tip and r ing leads into 600 or 900 ohms for
interface with a low-impedance (2 or 4 ohms) source
•
connection of up to 24 trunk units to a single announcement machine
channel
In this mode of operation, the Universal Trunk is connected to a digital
announcement machine. The announcer provides a number of channels
and operates in a continuous mode, generating 150-300 ms common control
pulses every 7 or 14 seconds (at the start of the announcement period). A
number of trunks can be connected to one announcement machine.
The Universal Trunk Card does not support the Code-A-Phone 210DC
announcement recorder.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Copyright © 2003-2008, Nortel Networks
.