Adtran Atlas 800 Series Quad T1 PRI 1200185L3 Phone Systems The 1204288L1 includes a back-up

The 1204288L1 includes a back-up dial modem for dialed out cry in emergencies

1x AC Power Supply Module P/N 1202289L1

8500 Features:

Please review the compatibility options below prior to ordering

2 Ports 1000-Base-SX SFP

Adtran Atlas 800 Series Quad T1 PRI 1200185L3 Phone Systems The 1204288L1 includes a back-upAdtran Atlas 800 Series Quad T1 PRI 1200185L3 Description: The Adtran 1200185L3 is a four port T1 PRI module. The 1200185L3 supports independently configurable T1 or PRI connections. The Quad T1 module supports drop and insert, and DACS applications. PRI switching applications and frame relay passthrough are supported with the 1200185L3. Adtran 1200185L3 Features: Supports Drop Insert and 1 0 Digital Access Cross Connect Systems (DACS) applications