# Overview of network connections

The CG 6060C board has two Ethernet connectors and optional T1/E1 trunk connectors. The T1/E1 connectors can be in either a four, eight, or sixteen-trunk configuration. Each configuration uses a different rear I/O board to connect to PSTN and Ethernet networks.

This section provides the following information:

- An illustration of each board variant

- A description of how to connect the CG 6060C board variants to a PSTN or Ethernet network

For information on product declarations and global approvals, refer to www.dialogic.com/declarations/default.htm.