WAN Tester lllD
It can test a wide variety of communications facilities and equipment including T-1, fractional T-1, E-1, fractional E-1, T-3 and E-3 modems, multiplexers, CSU/DSUs, T-1 CSUs, DDS CSUs, DDS CSU/DSUs, DTUs, NTUs and TIUs. The Ds3 tester is supplied with user-changeable nickel metal hydride batteries and a built-in charger.
