ADC Kentrox T Serv II T1 CSU Channel Service Unit NCCSDHT4AB. Digital Transmission Equipment T-Serv II T1 Channel Service Unit (CSU). Models 77965 Stand-Alone Card with Universal Mounting Shell, 77123 Stand-Alone card only and 77115 Shelf Plug in Module.
ADC Kentrox Part Number: NCCSDHT4AB