Nortel Networks 1000 User Manual

Page 578

578

NT8D14 Universal Trunk card

•

pulse start, level start, or continuous operation modes

•

selectable termination of tip and ring 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 586)

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 ring 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 586)

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 ring 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

Nortel Communication Server 1000

Circuit Card Reference

NN43001-311

02.06

Standard

27 August 2008