Master unit: contains the battery compartment, power switch (on/off/slow-scan), status leds (labeled 1–8 plus ground), and female rj45/rj11 ports.dual connector compatibility
rj45 (8p8c): tests standard twisted-pair ethernet cables (cat5, cat5e, cat6, cat6a, cat7).
rj11 / rj12 (6p4c/6p6c): tests standard 2-wire, 4-wire, or 6-wire telephone lines.dual connector compatibility
rj45 (8p8c): tests standard twisted-pair ethernet cables (cat5, cat5e, cat6, cat6a, cat7).
rj11 / rj12 (6p4c/6p6c): tests standard 2-wire, 4-wire, or 6-wire telephone lines.