Voice over Fiber with In-Band Management FRM220-FXO/FXS-SFP

Voice over Fiber (VoF) for high-quality voice transmission.
FXO/FXS interfaces for analog device integration.
In-Band Management for remote configuration.
SFP ports for flexible, high-speed fiber connections.
Seamless integration with PBX, telephones, and fax machines.
Scalable design for easy network expansion.
Reliable performance for telecom and enterprise use.
Compact form factor for efficient space use.

The FRM220-FXO/FXS-SFP is a versatile Voice over Fiber (VoF) solution designed for seamless integration into modern communication networks. This device offers both FXO (Foreign Exchange Office) and FXS (Foreign Exchange Station) interfaces, making it ideal for connecting legacy analog telephones, fax machines, and PBX systems over fiber optic links. With In-Band Management, users can manage and configure the system remotely using standard voice channels, streamlining operation and maintenance. The FRM220-FXO/FXS-SFP is equipped with SFP (Small Form-factor Pluggable) ports, providing flexibility in choosing the appropriate optical transceiver for long-distance or high-speed fiber connections. Built for reliability and scalability, this device is commonly used in telecom, enterprise, and remote office applications to bridge the gap between traditional telephony and modern fiber-based networks, offering high-quality voice transmission and robust in-band management capabilities.

Specifications

Optical Interface	Connector	SFP-LC / 1×9 (SC, ST, FC)
	Fiber	MM 62.2/125μm, 50/125μm, SM 9/125μm
	Fiber	Rate: 51.84Mbps
	Distance	MM 2km, SM 15/30/50km, WDM 20/40km
	Wavelength	MM 1310nm, SM 1310, 1550nm
		WDM 1310Tx/1550Rx (type A)
		1550Tx/1310Rx (type B)
Indications	LED (Power, FX Link, Phone Act, Test)
Power Input	12VDC
Power Consumption	< 6W
Dimensions	159.5 × 20.8 × 88mm (D×W×H)
Weight	120g
Temperature	0 ~ 50°C (Operating), -10 ~ 70°C (Storage)
Humidity	10 ~ 90% non-condensing
Certification	CE, FCC
MTBF	65,000 hrs

Electrical Interface	Connector	RJ-11
	FXO mode	Impedance : 600 ohms
		Coding : 16 bits liner
		Loop Current : 10~100mA
		Ring Frequency : Acceptable 20 ~55Hz
		Insertion Loss: 0.0 ± 1.0dB at 1000Hz
		Level Gain : TX 0dB, RX -3dB
	FXS mode	Coding : 16 bits liner
		Dial: DTMF and Dial Pulse
		Battery Source: 48VDC ± 4V
		Ringing Waveform : Sine wave
		Impedance : 600 ohms
		Ringing Frequency : 20/25/30/35/40/45/50/55 Hz selectable
		Ring Cadence: FXS to FXS : On / 1 sec, Off / 2 sec
		FXO to FXS, Reproduces the cadence detected by FXO
		Insertion Loss 0.0 ± 1.0dB at 1000Hz
		REN: 4.0B(Ring Equivalence Number)
		Level Gain : TX 0dB, RX -3dB