CND 418TH8 is designed for coupling damped oscillatory waves onto high-speed unshielded symmetrical communication lines in accordance with Standard IEC/EN 61000-4-18 and can be applied to ISDN,10 MBit/s / 100 MBit/s / 1,000 MBit/s Ethernet test. Its powerful decoupling capability makes Auxiliary Equipment(AE）free from the influence of damped oscillatory wave and ensure the test repeatability. The maximum residual voltage is only 90 V left at AE port for 2 kV damped oscillatory test without using additional decoupling devices. Decoupling performance and transmission rate are stable. Compact size makes it easy to carry and use.
Features：
> Applied to ISDN, 10 MBit/s/100 MBit/s/1,000 MBit/s Ethernet test;
> Capable of test output to 1-pair, 2-pair or 4-pair communication line simultaneously;
> Compatible with the output port of generators from other corporations;
> No additional protection for AE is needed;
As per IEC 61000-4-18：2006 Figure 11b
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Technical Parameters |
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Standard |
IEC / EN 61000 -4 -18 |
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Coupling Waveform |
Damped oscillation wave 100KHz/1MHz |
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Impulse Voltage |
4 kV（6 kV on request） |
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Coupling Mode |
4 to 8 wire unshielded symmetry |
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Coupling Component |
Capacitor (built-in) |
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Communication Frequency |
10 MB/100 MB/1000 MB |
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Communication Interface Specification |
Female RJ45 Connector |
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Pin Assignment |
Pair 1: pins 1 / 2 |
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Pair 2: pins 3 / 4 |
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Pair 3: pins 5 / 6 |
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Pair 4: pins 7 / 8 |
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Data Rate |
Up to 1000 MBit /s |
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Operating Voltage |
Max. 250 V dc |
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Operating Current |
Max. 1 A |
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Decoupling Inductance |
20 mH |
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Residual Voltage |
<10 % |
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General Parameters |
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Weight |
Approx. 10 kg |
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Dimension |
360 mm(L)×220 mm(W)× 135 mm(H) |
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Enclosure Material |
Aluminum |
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Ambient Temperature |
15°C - 35°C (Operating conditions) |
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Relative Humidity |
45% - 75% (Operating conditions) |
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Package Case |
Carton |
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Accessories |
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HV Cable |
1 m HV silicon cable with banana plug |
1 pc |
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Grounded Cable |
0.5 m yellowish green |
1 pc |
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Short-Circuit line |
Black |
1 pc |
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Connecting Cable |
1 m |
2 pcs |
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Materials |
Factory Inspection Report |
1 set |
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Operating Instruction |
1 set |
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