Telephone Testers
ADSYS technologies Co. Ltd. (Shixin Technology Co., Ltd.)
High accuracy and stability.CCITT Dual Tone multi frequency, level, distortion analysis.CCITT Pulse signal MAKE/ BREAK ratio analysis.Pulse signal ON/OFF equivalent resistance analysis.Preset 4 sequence f ringing signal output.Print out test results through print port.RS232 interface for PC control/ test parameters setting15set QC limit.Meet ETSI Euro telephone signaling standard.Selectable 600Ω/900Ω output impedance with TALK between PORT A and B.