Fiber Optical Conv G.703 Codir C37.94 MM
The 21-216 Fiber Optic G.703 Codirectional – IEEE C37.94 Converter is an electro-optical interface converter between G.703 Codir. 64 kbps (balanced) and IEEE C37.94 N×64 kbps optical interfaces. It extends the reach of balanced G.703 connections up to 2 km, ensuring interference-free, cost-effective transmission without signal degradation. The unit supports all IEEE C37.94 channel configurations and is easy to set up.
The 21-216 is designed to connect teleprotection equipment to telecom multiplexers in substations. It can also directly interconnect protection devices when one or both units lack optical interfaces. Overall, it enables equipment using the IEEE C37.94 standard to interoperate with devices that only support G.703 interfaces.
Product Description
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Fiber optic transmission, immune to EMI and RFI
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Standards compliant for power substation installations
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19″ mounting with only 200mm depth
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Single power supply range from 48VDC to 230VAC
Technical Data & Features
Fiber optical link
- Data Speed 2048kbps
- Protocol IEEE C37.94
- Fiber Multi mode 50/125µm or 62,5/125µm, ST-connector
- Optical System Budget 13dB in 62,5/125µm. 9dB in 50/125µm fiber
- Typical distance 0-2km (3dB system margin for 50/125µm and 6dB for 62,5/125µm)
Galvanic
- Data speed 64kbps
- Protocol G.703, Codir
- Connector RJ45, S/FTP cable
Power Supply
- DC 48V DC to 250V DC, ±20%
- AC 230V AC , ±20%, 50 60 Hz
- AC-connector IEC 320, 3-pin
Environmental
- Operating Temperature Range -25 to +55°
- Storage Temperature Range -40 to +85°
- Relative Humidity Operating 5 to 95%
- Relative Humidity Storage 5 to 95% non condensing
CE compliance
- Immunity EN 61000-6-2
- Emission EN 61000-6-4
- LVD EN 50187; RIV=
Mechanical
- Vibration IEC 60255-21-1 Class 2
- Shock IEC 60255-21-2 Class 2
- Seismic IEC 60255-21-3 Class 2
EMC compliance
- ESD IEC 60255-22-2 Class 3, contact 6kV, air 8kV
- Radiated IEC 60255-22-3 / IEEE/ANSI C37.94.2; 35V/m
- Burst Power EC 60255-22-1 Class III
- Burst Communication IEC 60255-22-1 Class II; 0,5kV diff; 1kV common mode
- Fast Transient Power IEC 60255-22-4 Class IV
- Fast Transient Communication IEC 60255-22-4 Class II; 1kV
Insulation
- Dielectric Test IEC 60255-5, 2,0kV 1min
- Impuls Voltage Test IEC 60255 / EN50178 5kV / 6 kV
- Insulation Resistance IEC 60255-5; > 100Mohm at 500VDC
Dimensions and Weight
- Physical size Height 45mm, Width 483mm, Without brackets 380mm), Depth 173mm
- Weight 3 kg
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