The Definity TN722B DS1 Tie Trunk Card has 8 ports connecting to multi-appearance hybrid analog and digital voice terminals.

The Definity TN722B DS1 Tie Trunk Card connections to a 1.544-Mbps DS1 facility and each trunk transmits data at 64 kbps common channel or 56 kbps Robbed Bit Signaling.

The Definity TN722B DS1 Tie Trunk Card has three types of digital tie trunk interfaces: voice-grade DS1, alternate voice/data (AVD) DS1 tie trunks, and digital-multiplexed interface (DMI) and provides Bit-Oriented Signaling (BOS) on the automatic, immediate-start, delay-dial, and release-link trunks.

2 Year Warranty

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