PEB20590H VIP V2.1

PEB20590H VIP V2.1

This chapter gives a general overview of the VIP including a top-level block diagram and

the logic symbol diagram, it lists the key features, and presents some typical

applications.

1.1 Overview

VIP (Versatile ISDN Port) is a highly-integrated multiple layer-1 transceiver IC

connecting to

• UPN subscriber line interfaces (2-wire) and

• S/T subscriber or trunk line interfaces (4-wire).

VIP integrates the complete analog line interface circuitry as well as the transceiver logic

required for eight full-duplex channels.

Typical VIP applications include PBX line cards (UPN, S/T or mixed), and small PBXs.

VIP must be operated in combination with DELIC1), which is required for configuration

and control/activation of VIP’s layer-1 transceivers. The communication path between

the DELIC and the VIP is the serial IOM-2000 interface with a data rate of up to 12.288

Mbit/s. DELIC also processes the signaling information of each VIP channel by providing

a dedicated HDLC controller per subscriber. For more information on DELIC and the

IOM-2000 interface, please refer to the DELIC-LC/-PB Data Sheet.

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PEB20590H VIP V2.1

This chapter gives a general overview of the VIP including a top-level block diagram and

the logic symbol diagram, it lists the key features, and presents some typical

applications.

1.1 Overview

VIP (Versatile ISDN Port) is a highly-integrated multiple layer-1 transceiver IC

connecting to

• UPN subscriber line interfaces (2-wire) and

• S/T subscriber or trunk line interfaces (4-wire).

VIP integrates the complete analog line interface circuitry as well as the transceiver logic

required for eight full-duplex channels.

Typical VIP applications include PBX line cards (UPN, S/T or mixed), and small PBXs.

VIP must be operated in combination with DELIC1), which is required for configuration

and control/activation of VIP’s layer-1 transceivers. The communication path between

the DELIC and the VIP is the serial IOM-2000 interface with a data rate of up to 12.288

Mbit/s. DELIC also processes the signaling information of each VIP channel by providing

a dedicated HDLC controller per subscriber. For more information on DELIC and the

IOM-2000 interface, please refer to the DELIC-LC/-PB Data Sheet.