Adtran Atlas 550 Dual T1 PRI Module 1200314E2 Multiplexers The Toshiba RPTU1A card is

The Toshiba RPTU1A card is a digital line card for Toshiba CTX and DK phone systems

Provides Four-Zone Paging

Up to eight 5500 series switches can be stacked together to function as a single unit

Stateful Inspection Firewall

3af to the phone

Adtran Atlas 550 Dual T1 PRI Module 1200314E2 Multiplexers The Toshiba RPTU1A card isAdtran 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