ST230D Telephone Line Tester/ lineman tester/ tel line test set is a new kind of line fault tester with safety & multi-functions capabilities. Besides the basic functions as a common Tel Line Tester, it also has functions of high voltage protection and polarity indication, and so on.
Main Functions
Ï Common telephone function: Dial, Ring, Talk
Ï Mute
Ï T/ P switch
Ï High voltage protection (by fuse)
Ï Polarity indication by LED
Ï Volume adjust
Ï Pause
Ï Store phone number
Ï Monitoring function
Ï Last number redial
Ï Telecom Line Identifying (Telephone line, ISDN line, ADSL line)
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Trade Leads Directory -> All Trade Leads -> Telecommunications -> Others -> ST230D Lineman Test set/ telephone line tester/ tel line test set
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