The ATLAS Series of IADs offers the highest capacity and most advanced set of networking services. From a single platform, ATLAS can support multiple technologies including T1, T3, ISDN, IP routing, and Frame Relay.
ADTRAN Quad T1/PRI Module Part #:1200755E2
ISDN terminal adapter, plug-in module, ISDN PRI T1 - T-1 - 4 digital port(s), Frame Relay
$1,133.99
In Stock
ADTRAN Dual T1/PRI Module Part #:1200314E2
ISDN terminal adapter, plug-in module, ISDN PRI T1 - T-1 - 2 digital port(s), Frame Relay
1.800.814.5410 
858.764.8900 M-F 6am-5pm PST
