The Adtran Total Access 1500 Dual T1 Line Interface Unit (LIU) is an integral module designed to connect channel banks to T1 lines at the DSX-1 level. This versatile device seamlessly integrates multiple carrier functionalities into a compact chassis, making it ideal for narrowband service offerings.
Adtran 1180009L1 Total Access 1500 Dual T1 Line Interface Unit