Adtran Total Access 850 AC Chassis with 16 FXS (T1 RCU) 4203376L16 Printers III or V E&M signaling

III or V E&M signaling interfaces

and wink delay (for DNIS)

Four of the 3Com switch's ports are combo SFP / Ethernet ports that can be used as either interface

The Adtran 1224ST has built in storm control protection to prevent the witch from being overloaded by a loop back connection

Durable metal casing

Adtran Total Access 850 AC Chassis with 16 FXS (T1 RCU) 4203376L16 Printers III or V E&M signalingAdtran Total Access 850 Router with 16 FXS 4203376L16 Description: The Adtran 4203376L16 includes a T1 RCU module and support for up to 16 FXS ports. This allows the Total Access 850 to convert a T1 circuit into 16 voice channels. The Adtran Total Access 850 is a modular integrated access device with 2 common slots along with 8 access slots for integrated voice and data. The Total Access 850 supports both T1 TDM and T1 ATM applications through