Adtran Atlas 550 Dual T1 PRI Module 1200314E2 Routers The 3Com 3300G-El provides 24

The 3Com 3300G-El provides 24 wirespeed ports at Gigabit speeds

Inter-Tel 770

Incorporates DS3 and 28 DSX-1's

Adtran T3SU 300 T3 Quad DSX-1 Interface Module 1200284L1 Description:

Adtran MX2800 Controller Card with Modem 1204288L1 Description:

Adtran Atlas 550 Dual T1 PRI Module 1200314E2 Routers The 3Com 3300G-El provides 24Adtran Atlas 550 Dual T1 PRI Module 1200314E2 Description: The Adtran 1200314E2 is a dual port T1 card for the Adtran Atlas 550. This module allows for a pair of ports that can be configured independently as a PRI or T1 circuit. The module supports drop insert and digital access cross connect systems (DACS) applications. Numerous configurations such as frame relay emulation and passthrough and PRI switching are supported with the Adtran 1200314E2