Fiberplex FOI-4972-ST Isolator for Telephone (POTS) Instrument Side Fax STU/STE or Dial-Up Modem Interface Multimode ST
The FiberPlex FOI-2971 and FOI-4972 provide complete electrical isolation for 2-wire telephone communications. The FOI-4972 supports standard analog phones, STU-III (secure telephone unit) phones, STE (secure telephone equipment) phones, fax machines, and modems and supports Caller ID.
The units can be used in areas of high electrical noise or in and out of RF shielded enclosures. The fiber optic cable is not susceptible to interference caused by impulse noise, crosstalk, or EMI....
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