How can the BT-10 aid in preventing damage to my telephone equipment?
It uses the principle of the Professional Lineman’s trusty volt-meter, but with a twist. The BT-10 dynamically measures the battery voltage and gives you a consolidated indication with its Line/Ring Voltage display. The display will warn you of an over-voltage and potentially damaging over-current condition. Note that the BT-10 is easy enough for a novice to use, but it was designed with strict  Professional Guidelines and Specifications Q: Why doesn’t the BT-10 have a standard over-current indicator? A: Because over-current in a telephone network is typically a function of the device under use and network source impedance. Quite simply, dynamically measuring battery voltage is more useful than over-current measurement techniques. Q: Doesn’t an over current indicator also tell you if the network voltage has exceeded operating limits? A: No. As before, the likelihood of over-current (excessive loop current) is more a function of the device in use and source and impedance. For exampl
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- How can the BT-10 aid in preventing damage to my telephone equipment?
