Adtran 1200310L1 ATLAS 550 8-Port FXO Expansion Module

The ATLAS 550 8-Port FXO Expansion Module is designed to enhance the functionality of the ATLAS 550 integrated access devices. This versatile expansion module provides eight foreign exchange office loop interfaces, ideal for connecting to multiple voice line cards of key systems or PBX setups. Its ability to extend PBX extensions to remote sites in combination with TSU and FXS modules makes it a valuable asset for efficient communication.

With the capability to emulate the CO side of a DID (Direct Inward Dial) trunk and supporting distances of up to 2400 feet, this module ensures reliable connectivity in various networking scenarios.