FOI-2971-R-ST
Isolator for telephone (POTS), exchange side, Multimode ST optics, RFI suppressed, Power Options Sold Separately
FOI-2971-S-ST
Isolator for telephone (POTS), exchange side, Singlemode ST optics, Power Options Sold Separately
FOI-2971-ST
Isolator for telephone (POTS), exchange side, Multimode ST optics, Power Options Sold Separately
FOI-2981-ST
Isolator for annunciator input, 2 line level audio in, 1 contact closure for doorbell function, Multimode ST optics (TX only), Power Options Sold Separately
FOI-2983-ST
Isolator for annunciator 70 volt input, 1 contact closure for doorbell function, multimode ST optics (TX only), Power Options Sold Separately
FOI-3901-ST
Isolator for Nortel Meridian M2000 and M3000 series telephones, PBX side, Multimode ST optics, Power Options Sold Separately
FOI-3902-ST
Isolator for Nortel Meridian M2000 and M3000 series telephones, Phone side, Multimode ST optics, Power Options Sold Separately
FOI-4141-S-SC
Isolator for RS-232, for connection to DCE, 1 Mbps, singlemode SC optics, Power Options Sold Separately
FOI-4141-ST
Isolator for RS-232, for connection to DCE, 1 Mbps, Multimode ST optics, Power Options Sold Separately
FOI-4141-T-ST
Isolator for RS-232, for connection to DCE, 1 Mbps, TEMPEST VERSION, Multimode ST optics, Power Options Sold Separately
FOI-4411-S-SC
Isolator for RS-232, for connection to DTE, 1 Mbps, singlemode SC optics, Power Options Sold Separately
FOI-4411-S-ST
Isolator for RS-232, for connection to DTE, 1 Mbps, Singlemode ST optics, Power Options Sold Separately