• CDN ISN S8 RJ45, CDN/ISN for Shielded Telecom lines, Acc IEC 6100-4-6/CISPR 32
  • CDN ISN S8 RJ45, CDN/ISN for Shielded Telecom lines, Acc IEC 6100-4-6/CISPR 32

CDN ISN S8 RJ45, CDN/ISN for Shielded Telecom lines, Acc IEC 6100-4-6/CISPR 32

  • Replaces ISN S8
  • CDN for conducted common mode immunity testing according to IEC 61000-4-6.
  • Impedance Stabilisation Network (ISN) acc. CISPR 22 Ed.5.5:2006, (CISPR 32)
  • CISPR 22, CISPR 32 Annex G.11 and EN 55022 Annex D figure D.11
  • Is capable to provide 10 GBit/s (Gigabit-Ethernet, 1000BASE-T).

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TEST STANDARDS:

Data Sheet

SPECIFICATIONS

 

CDN ISN S8 RJ45, CDN/ISN for Shielded Telecom lines, Acc IEC 61000-4-6/CISPR 32

The CDN ISN S8 RJ45 is a CDN for conducted common mode immunity testing according to IEC 61000-4-6. Additionally it complies to the ISN specifications as given in CISPR 16-1-2. The CDN ISN S8 RJ45 can be used for both emission and immunity testing.

The CDN ISN S8 RJ45 is intended for measurements on devices with a shielded  RJ45  interface,  such  as  Ethernet networks in the frequency range from 9 kHz to 230 MHz. The  device  features a Cat.6  cable.  This allows for all data rates up to 10 GBit/s, as the cabling in the test setup does not contain long and parallel cable runs. 

As this device meets the specifications for both CDNs and ISNs, it can be used for emission and immunity applications. They will be adressed seperately. 

Use as a CDN 

The  CDN  complies  with  the  requirements of IEC 61000-4-6, IEC 61326 and NAMUR NE21. Each CDN comes with individually measured data and a calibration certificate for the common mode impedance and the voltage division fac- tor. It can be used from 9 kHz to 230 MHz, but the standards call for use from 10 or 150 kHz only. 

A  variety  of  calibration  adapters  and other accessories are available as op- tion. With the two included adapters SA RJ45  in  conjunction  with  the  optional series resistor SR100-6W, the required spacing of 30 mm is obtained as depicted in Fig. 9 of IEC 61000-4-6.  The  connection  to  ground  can  be  accomplished  using  the  ground  plane of the  CDN.  Additionally  there  is  a  M4 thread located at the AE side to ground as well as a 4 mm socket to connect the device to ground.  

Use as an ISN 

CISPR32 / EN55032 describes the use as an ISN in the frequency range 9 kHz to 30 MHz. In this case the RF port is connected to the test receiver. The  internal  series  resistor  causes  a voltage division factor of approx. 10dB; For  precise  measurements  the  actual VDF needs to be taken from the calibration certificate. 

Specifications:  
Frequency range:

150 kHz – 230 MHz for CDN

9kHz-30MHz for ISN
Common Mode Impedance

9 kHz – 24 MHz: 150 ohm ±20 ohm                    24 MHz–80 MHz: 150 ohm +60 ohm / -45 ohm      80 MHz – 230 MHz: 150 ohm ±60 ohm
Cable-/RJ-45 connector cat: RJ45 Cat 6
Max. RF Test voltage (emf): 30 V
Current rating 0.5 A
Max RF input power
6 W
Phase error: 0° ±20°
RF Input Connector: 50 Ω BNC
Input Voltage EUT:  100 VAC/150VDC
Voltage divisions factor EuT – measuring port:
10 kHz – 80 MHz:
80 MHz – 230 MHz:
10 dB ±1.5 dB
10 dB +3 dB/-2.5 dB
3 dB transmission bandwidth EuT – AE:  >250 MHz
Dimensions W x H x D: 216 mm x 105 mm x 108 mm
Weight: ~1500 g
Optional Accessory - 50 ohm - 150ohm adp. SR100-6W

 

 

 

  

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