FRM220-FXO-FXS-SC20B - POTS (RJ11) over fiber telephone line extender, single strand B type 20km

Product description The FRM220-FXO-FXS-SC20B is a POTS (RJ11) port over fiber optic media converter. The PSTN two-wire POTS telephone port can be configured either as an FXO (PBX trunk) or FXS (telephone set/fax machine/dial-up modem) device just by a simple DIP switch setting. Using a pair of converters, a telephone line can be extended over a fiber optic circuit, providing full service and features likeCaller ID. The converter can be used in service mode, alowing connection of 2 telephone sets in between. FRM220-FXO-FXS-SC20B operates on single strand fiber up to 20Km distance, using a BiDirectional optical transceiver with Tx:1550nm and Rx:1310nm. The fiber media converter is equipped with single SC type optical connector and must be always paired with an A type single strand converter. When the FRM220-FXO-FXS-SC20B POTS over fiber converter is placed in the FRM220 rack with in-band and SNMP management, the converters status, type, version, fiber link status, POTS RJ11 port status a