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The FRM220-GFOM04-SB is a high-performance GbE Fiber Multiplexer designed to efficiently transmit multiple types of data over fiber optic links, offering both high-speed Ethernet connectivity and reliable voice/data transmission. It integrates four E1 BNC ports for legacy TDM (Time Division Multiplexing) services, enabling seamless connectivity for traditional voice and data networks, and a 10/100/1000Base-T Ethernet port for high-speed, scalable IP communications. The device supports in-band management, allowing remote configuration and monitoring over the network, while maintaining robust performance and minimal latency. Ideal for applications requiring the multiplexing of voice, video, and data over long distances, the FRM220-GFOM04-SB is a versatile and cost-effective solution for modern telecommunications, enterprise, and industrial systems. Its compact design, ease of installation, and support for both E1 and Gigabit Ethernet ensure it can meet diverse connectivity requirements, while the fiber optic link enhances signal integrity and bandwidth.
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 | |
| 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 |
| 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-SB | 4x E1 BNC and 10/100/1000Base-T Ethernet fiber optic multiplexer card (optional |
Managed 4E1/T1 + Gigabit Ethernet Fiber Optical Multiplexer Application
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GbE Fiber Multiplexer with In-Band Management FRM220-GFOM04-SB
Israel's Leading Businesses Choose DCT
DCT’s Skilled Management Team has more than twenty-five years of experience and expertise in the local business environment, coupled with a highly motivated group of employees, positions us as the preferred supplier among the major customers in the industry.
DCT Competitive Edge is the prompt response to our customer needs, the online and on-site direct technical support, professional consulting for the best cost/performance solution, on-time delivery, long-term maintenance, and support.
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