The TN553 Packet Data Line provides 12 ports that can connect through a cross-connect field to a TN726B circuit pack.

The TN553 Packet Data Line provides software-administrable connections between the Switch Processing Element (SPE) and system access ports.

The TN553 Packet Data Line connects to the packet bus and converts mode-2 protocol to mode-3 protocol connecting the TN726B to the TDM bus for asynchronous EIA connections to adjuncts.

2 Year Warranty