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The FRM220-FXS-4 is a high-performance Voice over Fiber (VoF) module designed for efficient and reliable voice transmission over optical fiber networks. This device provides four FXS (Foreign Exchange Station) ports, enabling seamless integration of analog phones or fax machines into an optical fiber-based communication infrastructure. It supports in-band management, allowing for centralized monitoring and control of the system through the same fiber connection used for voice data. The FRM220-FXS-4 is ideal for service providers and enterprises looking to leverage fiber optic technology for long-distance voice communication, offering superior voice quality, enhanced scalability, and low latency. Additionally, the module is compatible with the FRM220 platform, ensuring easy installation and integration into existing networks.
Specifications
| Optical Interface | Connector | SFP-LC |
| Fiber | MM 62.2/125μm, 50/125μm, SM 9/125μm | |
| Rate: 155Mbps | ||
| 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 (FRM220-FXO-4) | |
| < 12W (FRM220-FXS-4) | ||
| 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 model | 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 model | Coding : 16 bits liner | |
| Dial: DTMF and Dial Pulse | ||
| Provides 48VDC ± 4V to FXO | ||
| 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 |
Ordering Information
| Model Name | Description |
| FRM220-FXS-4 | 4-port FXS fiber converter card (SFP-LC) |
Chassis Option
| Model Name | Description |
| FRM220-CH1 | 1-slot chassis with 100~240VAC to 12VDC adapter (12W), fanless |
| FRM220-CH01-AD | 1-slot chassis with AC/12W+DC/12W, fanless |
| FRM220-CH01M | 1-slot chassis with console port and AC/12W+DC/12W, fanless |
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Figure 1 : Automatic Ring down hotline
Figure 2 : Voice transmission from 2km to 120km over fiber
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Voice over Fiber with In-Band Management FRM220-FXS-4
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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