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The 3Com NBX Analog Line Card connects up to four Loop Start PSTN telephone lines to the NBX 100 via RJ-11 interfaces; includes built-in Caller ID support and built-in power failure transfer jack
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The 3Com NBX Analog Line Card connects up to four Loop Start PSTN telephone lines to the NBX 100 via RJ-11 interfaces; includes built-in Caller ID support and built-in power failure transfer jack
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