GbE Fiber Multiplexer with In-Band Management FRM220-GFOM08-SR

8x E1/T1 RJ45 ports for voice and data transmission
1000Mbps Ethernet support for high-speed data transfer
In-Band Management for remote configuration and monitoring
4x2E1 RJ45 cable included for flexible connectivity
Fiber-optic connectivity for reliable, long-distance communication
Scalable solution for telecom and enterprise networks
Compact design for easy integration in network infrastructure

The FRM220-GFOM08-SR is a high-performance GbE Fiber Multiplexer designed for seamless integration into telecom and enterprise networks. It features a robust 8x E1/T1 RJ45 interface, providing reliable, high-quality voice and data transmission over a fiber-optic connection, and supports 1000Mbps Ethernet throughput for scalable and efficient data transfer. With built-in In-Band Management, this multiplexer allows easy, remote configuration and monitoring, ensuring minimal downtime and maximum operational efficiency. The unit includes a 4x2E1 RJ45 cable, offering flexible connectivity options for legacy equipment, while maintaining high-speed fiber optics for optimal performance. Ideal for carriers and businesses looking to consolidate multiple voice and data services over a single fiber link, the FRM220-GFOM08-SR offers both cost-effective infrastructure and superior reliability in demanding network environments.

Specifications

E1/T1 ports	Framing	Unframed (transparent)
	Bit Rate	E1:2.048 Mb/s , T1: 1.544Mb/s
	Line Code	E1:AMI/HDB3, T1: AMI/B8ZS
	Line Impedance	E1: Unbalanced 75 ohms (BNC)
		E1: Balanced 120 ohms (RJ-45)
		T1: Balanced 100 ohms (RJ-45)
	Receiver sensitivity	Short haul
	“Pulse” Amplitude	Nominal 2.37V+/-10% for 75 ohms
	“Pulse” Amplitude	Nominal 3.00V+/-10% for 120 ohms
	“Zero” Amplitude	+/-0.3V
	Internal Timing	+/-30 ppm
	Jitter Performance	According to ITU-T G.823
	Performance monitoring	According to ITU-T G.821
	Standards	ITU-T G.703, G.704, G.706 and G.732
	Interface Connectors	RJ-45
	Test Loops	LLB (Local Loop Back)
		NELB (Near End Loop Back)
		RLB (Remote Loop Back)
		RRLB (Request Remote Loop Back)

Fiber	Connector	SFP LC
Fiber	Data Rate	1.25 Gbps
Ethernet	Interface Type	10/100/1000Base-T
	Connector	RJ-45
	Standards	IEEE 802.3, 802.3u, 802.3ab
	Duplex modes	full/half
Indications	FX1 Link, FX2 link, E1/T1 Mode/Link/Loopback test, Order wire phone indicator, LAN Link/Speed
Power Input	12VDC
Power Consumption	< 12W
Dimensions	159.5 × 42.1 × 88mm (D×W×H)
Weight	200g
Temperature	0 ~ 50°C (Operating), -10 ~ 70°C (Storage)
Humidity	10 ~ 90% RH (non-condensing)
Certifications	CE, FCC
MTBF	65,000hrs

Ordering Information

Model Name	Description
FRM220-GFOM04-SR	4 x E1/T1 RJ-45 and 10/100/1000Base-T Ethernet fiber optic multiplexer card (optional SFP module)

Application

Managed 4E1/T1 + Gigabit Ethernet Fiber Optical Multiplexer Application

GbE Fiber Multiplexer with In-Band Management FRM220-GFOM08-SR