Nortel Networks 553-3001-211 manual Installation, NT8D15 E&M Trunk card

Overview Page 59 of 894

The universal trunk card also supports Music, Automatic Wake Up, and

Direct Inward System Access (DISA) features.

NT8D15 E&M Trunk card

The NT8D15 E&M Trunk card is an intelligent four-channel trunk card that is designed to be used when connecting to the following types of trunks:

•2-wire E&M Type I signaling trunks

•4-wire E&M trunks with:

—Type I or Type II signaling

—Duplex (DX) signaling

•Paging (PAG) trunks

The trunk type and function can be configured on a per port basis. Dialing outpulsing is provided on the card. Make and break ratios are defined in software and downloaded by software commands.

NTCK16 Generic Central Office Trunk card

The NTCK16 generic central office trunk cards support up to eight analog central office trunks. They can be installed in any IPE slot that supports IPE. The cards are available with or without the Periodic Pulse Metering (PPM) feature. The cards are also available in numerous countries.

Installation

This section provides a high-level description of how to install and test trunk cards.

IPE trunk cards can be installed in any IPE slot of the NT8D37 IPE module. Figure 10 on page 60 shows where an IPE trunk card can be installed in an NT8D37 IPE module.

When installing trunk cards, these general procedures should be used:

1Configure the jumpers and switches on the trunk card (if any) to meet the system needs.

2Install the trunk card into the selected slot.

Circuit Card Description and Installation