Avaya Definity TN553
Packet Data Line
TN553 Features:
- Provides 12 ports that can connect through a cross-connect field to a TN726B circuit pack
- Provides software-administrable connections between the Switch Processing Element (SPE) and system access ports
- Connects to the package bus and converts mode-2 protocol to mode-3 protocol connecting the TN726B to the TDM bus for asynchronous EIA connections to adjuncts
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