What is the difference between 1756 EN2T and 1756 EN2TR?

What is the difference between 1756 EN2T and 1756 EN2TR?

Another common ControlLogix communication module is the 1756-EN2TR, which has two Ethernet ports. The status indicators on this module are similar to the 1756-EN2T. The main difference is that the 1756-EN2TR has two LINK status indicators and no NET status indicator.

How many connections can a 1756 Enbt Ethernet module make?

128 CIP connections