DI-2630/3660

One-port 10/100Base-TX

One-port Ethernet + two-port serial, async, and sync (up to 2Mbps)

Two-port serial, async, and sync (up to 2Mbps) + one-port ISDN BRI

One-port Ethernet + one-port serial, async, and sync (up to 2Mbps) + one-port ISDN BRI

Four-port ISDN BRI S/T Interface

4-port serial, async, and sync (up to 2Mbps)

8-port serial, async, and sync (<128Kbps)

8-port asynchronous serial

Two-port channelized E1