The JDSU HST-3000 is , used to install, maintain, and troubleshoot voice, data, and video services over copper and fiber

 networks, including DSL, VDSL, T1, Ethernet, VoIP, and IPTV, offering automated tests, copper diagnostics (shorts, grounds, TDR),

 and support for Triple Play services with field-swappable modules and software. 

this has  spare long life battery, and a Ethernet test head for both copper and fiber. And a T1 test head  with BNC  

 Everything works