REN Test Module RTM-1
The REN Test Module RTM-1 provides all the additional passive components required for the REN test, as detailed in Britsh standard BS6305 or NTR3, all in one unit. The 3.6H inductor and 1890 ohm resistance are placed in series with the ringing voltage terminals, and a simulated bell is catered for with a 55H inductor and 7000 ohm series resistance. This load can be selected via the front panel switch.
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MSB Design
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