Nortel Networks 553-3001-211 manual NT1R20 Off-Premise Station Analog Line card

Overview Page 27 of 894

NT1R20 Off-Premise Station Analog Line card

The NT1R20 Off-Premise Station (OPS) Analog Line card is an intelligent eight-channel analog line card designed to be used with 2-wire analog terminal equipment such as analog (500/2500-type) telephones and analog modems. Each line has integral hazardous and surge voltage protection to protect the system from damage due to lightning strikes and accidental power line connections. This card is normally used whenever the phone lines have to leave the building in which the switch is installed. The OPS line card supports message waiting notification by interrupting the dial tone when the receiver is first picked up. It also provides battery reversal answer and disconnect analog line supervision and hook flash disconnect analog line supervision features.

NT5D11 lineside T1 interface card

The NT5D11 lineside T1 Interface card is an intelligent 24-channel digital line card that is used to connect the switch to T1 compatible terminal equipment on the lineside. T1 compatible terminal equipment includes voice mail systems, channel banks containing FXS cards, and key systems such as the Nortel Networks Norstar. The lineside T1 card differs from trunk T1 cards in that it supports terminal equipment features such as hook-flash, transfer, hold, and conference. It emulates an analog line card to the system software.

NT5D33 and NT5D34 Lineside E1 Interface card

The NT5D33/34 Lineside E1 Interface card is an intelligent 30-channel digital line card that is used to connect the switch to E1 compatible terminal equipment on the lineside. E1 compatible terminal equipment includes voice mail systems. The lineside E1 card emulates an analog line card to the system software.

NT8D02 digital line card

The NT8D02 Digital Line card is an intelligent 16-channel digital line card that provides voice and data communication links between a CS 1000S, CS 1000M, and Meridian 1 switch and modular digital telephones. Each of the 16 channels support voice-only or simultaneous voice and data service over a single twisted pair of standard telephone wire.

Circuit Card Description and Installation