The CDN 21AF8 is designed to couple surge pulses onto 8 lines (4 pairs) unshielded unsymmetrical communication lines for voltage up to 6 kV and maximum transmission rate up to 10 MBit/s. It fully meets the requirement of ITU-T K.21 -2011, GB/T17626.5 and YD/T 993.
Test Connection Schematic Illustration
Design Schematic Circuit
| Technical Parameters | |
|---|---|
| Standard | IEC/EN 61000-4-5/ ITU-T K.21 -2011 |
| Coupling Waveform | 1.2/50 μs、8/20 μs |
| Output Impedance | SZR40 (40 Ω±5%) (Standard equipped) |
| Coupling Waveform | 10/700 μs、5/320 μs |
| Output Impedance | SZR0 (0 Ω) (Standard) (The source impedance of generator is 40 Ω) |
| Impulse Voltage | 6 kV (10 kV on request) |
| Coupling Mode | 8 lines (4 pairs) unshielded unsymmetrical L-PE, L-L |
| Coupling Component | SCD90 (90 V Air Discharge Tube) built-in standard |
| Data Rate | Up to 10 MBit/s |
| Decoupling Inductance | 20 mH |
| Residual Voltage | 90 V（Coupling surge voltage） |
| Communication Port | Female RJ45 Connector, connecting Telecom cables |
| Working Voltage | Max. 90 V DC |
| Working Current | Max. 1 A |
| General parameters | |
| Size | 360 mm x 220 mm x 135 mm (length x width x height) |
| Weight | About 10 Kg |
| Enclosure Material | Aluminum |
| Ambient Temperature (operating conditions) | 15 ℃ – 35 ℃ |
| Relative Humidity (operating conditions) | 45%-75% |
| Packaging Box | Carton |
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