RS232/RS422/RS485 Fiber Modem

Fiber Interface	Number of interfaces: 1 Interface form: optional SC(default)/ST/FC port Transmission distance: Multimode: 2km Single mode: 20(default)/40/60/80/100/120Km Transmission wavelength: Multimode: 1310nm Single mode: 1310nm or 1550nm
Serial port	Standards: EIA RS-232C, RS-485, RS-422 Number of interfaces: Support 1 RS-232, RS-485/422 or 3IN1 serial port RS-232 signals: OUT, IN, GND RS-485 signals: D+, D-, GND RS-422 signals: T+, T-, GND, R+, R- Baud rate: 300bps-115200bps
Indicator	Power supply indicator, fiber port data receiving and alarm indicator, fiber port data sending indicator
Power supply	5VDC
Environmental Limits	Operating temperature: -40～75℃ Storage temperature: -40～85℃ Relative humidity: 5%~95% (no condensation)
Mechanical structure	Housing: IP30 protection grade, metal shell Installation: wall mounting dimension (W×H×D): 104mm×90mm×26mm
Certification	CE, FCC, RoHS
Warranty	3 years

CONVERTER CONNECTOR / TERMINAL BLOCK PINOUTS

Fiber Link Side

RS232/RS485/RS422 Side

Pin	TX+/A+	TX-/B-	RX+	RX-	GND	TX	RX	9~30V	GND
RS232	-	-	-	-	GND	TX	RX	DC+	DC GND
RS485	485+	485-	-	-	GND	-	-	DC+	DC GND
RS422	TX+	TX-	RX+	RX-	GND	-	-	DC+	DC GND

10-Way Terminal Block

RS-232 Application

This serial to fiber Converter can be connected with RS485/RS422/RS232 port of computer or other devices, solve the problem of traditional RS485/RS422/RS232 communication conflict between distance and rate. RS-232 fiber converters can operate as asynchronous devices, support speeds up to 921,600 baud, and support a wide variety of hardware flow control signals to enable seamless connectivity with most serial devices. In this example, a pair of RS-232 converters provides the serial connection between a PC and Terminal Server allowing access to multiple data devices via fiber.

RS-485 Application
In this example application a pair of RS-485 converters provides the multi-drop connection between the Host equipment and the connected multi-drop devices via fiber.

Model	Sepc
3C-FOM-RS232-13-20	RS232 Fiber optical Modem. Duplex, 1310nm, SC ,20Km
3C-FOM-RS422-13-20	RS422 Fiber optical Modem. Duplex, 1310nm, SC ,20Km
3C-FOM-RS485-13-20	RS485 Fiber optical Modem. Duplex, 1310nm, SC ,20Km
3C-FOM-RS225-13-20	RS232/RS422/RS485 Fiber optical Modem. Duplex, 1310nm, SC ,20Km
3C-FOM-RS232-13-20FC	RS232 Fiber optical Modem. Duplex, 1310nm, FC ,20Km
3C-FOM-RS232-35-20	RS232 Fiber optical Modem. Simplex, 1310T/1550R, SC ,20Km
3C-FOM-RS232-53-20	RS232 Fiber optical Modem. Simplex, 1550T/1310R, SC ,20Km

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155M~3G

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RS232/422/485 Fiber Modem

CONVERTER CONNECTOR / TERMINAL BLOCK PINOUTS

Fiber Link Side

RS232/RS485/RS422 Side

10-Way Terminal Block

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