... three devices at once: a target, a router and a DNS server Displays length measurement for ... faults for opens, shorts, miswires, and split pairs, Cable Types: shielded or unshielded, Cat5E, Cat5, Cat4, Cat3 ... and coax Minimum cable length for testing for split pairs: 1 meter ( ... Battery Life: 2.5years Standby; 50 hours Cable testing and no backlight; 15 hours Network testing ...