FRM220-FXO-FXS-SC02A POTS (RJ11) over multimode single strand fiber converter, telephone line extender, SC 2Km, A type protocol_rs485 25mm ports and jumpers

25mm ports and jumpers

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FRM220-FXO-FXS-SC02A POTS (RJ11) over multimode single strand fiber converter, telephone line extender, SC 2Km, A type protocol_rs485 25mm ports and jumpersFRM220 FXO FXS SC02A POTS (RJ11) over multimode single strand fiber converter, telephone line extender, SC 2Km, A type Product description The FRM220 FXO FXS SC02A 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