Atec Teseq-Schaffner-ISN-T8-CAT6 Manuel d'utilisateur télécharger pdf

IMPEDANCE STABILIZATION NETWORK (ISN)

FOR UNSHIELDED BALANCED PAIRS

ISN T8-Cat6

For use with one, two, three, or four

unscreened balanced pairs

CISPR 22, Ed.5.2, 2006 and EN 55022

Sept. 2006 (IEC/CISPR 22: 2005

modified) for Cat.6

1000BaseT and PoE application

Can be used as CDN for

IEC 61000-4-6 immunity tests

Impedance stabilization networks (ISN) are coupling/decoupling networks according to CISPR 22 (EN

55022) for measurement of conducted common mode disturbances of information technology equipment

(ITE). The ISN is placed between the equipment under test (EUT) and the auxiliary equipment (AE) or load

which is necessary for the operation of the EUT. The ISN establishes the common mode termination

impedance seen by the telecommunication port during measurement.

The ISN T8-Cat6 is designed for measurements on up to four unshielded single balanced pairs shown

at D.3 (ISN with high longitudinal conversion loss (LCL) for use with one, two, three, or four unscreened

balanced pairs) in CISPR 22, Ed.5.2, 2006 and EN 55022 Sept. 2006 (IEC/CISPR 22: 2005 modiﬁ ed). The

longitudinal conversion loss (LCL)- requirements for the EUT-side is realized in relation to the cable

category cat.6. No additional adapters are required. For other cable categories Teseq offers a different

ISN with LCL adapters for cat.3 and cat.5 which is called ISN T8.

Technical specifications

Frequency range: 150 kHz to 80 MHz

Line parameters: 1 up to 4 pair(s)

Power rating (EUT- and AE Port)

AC max. voltage (line to ground): 63 V

DC max. voltage (line to ground): 100 V

Current max : 400 mA (line), 800 mA (pair)

Test voltage: 200 VDC, 2 sec

Common mode impedance (EUT Port)

150 kHz to 30 MHz: 150 Ω ±20 Ω

30 MHz to 80 MHz: 150 Ω +60 Ω /-45 Ω

Phase angle (EUT Port) 150 kHz to 30 MHz: 0° ±20°

Coupling path (In/Out-port/EUT)

Connection: BNC 50 Ω

RF voltage: <15 V

Frequency range: 150 kHz to 80 MHz

Voltage division factor (RF input to EUT port)

150 kHz to 30 MHz: 9.5 dB ±1 dB

30 MHz to 80 MHz: 9.5 dB ±2 dB

Transmission bandwidth* (wanted signal) EUT/AE: B3 dB 250 MHz sin. typical

LCL* (EUT)

Cat. 6 150 kHz to 2 MHz: 75 dB to 74.4 dB ±3 dB

Cat. 6 2 MHz to 30 MHz: 74.4 dB to 59.3 dB +6/-3 dB

Decoupling of common mode disturbances (EUT / AE)

150 kHz to 1.5 MHz: ≥35 dB to ≥55 dB

1.5 MHz to 30 MHz: ≥55 dB

Crosstalk* (PSELFEXT) (EUT / AE) 1 MHz to 250 MHz: ≥61 dB to ≥15 dB

*) all balanced parameters are in relation to a symmetrical load of 100 Ω

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FOR UNSHIELDED BALANCED PAIRS 2

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IMPEDANCE STABILIZATION NETWORK (ISN) FOR UNSHIELDED BALANCED PAIRSISN T8-Cat6 For use with one, two, three, or four unscreened balanced pairs CISPR

Page 2 - FOR UNSHIELDED BALANCED PAIRS

Mechanical specificationsSize (W x H x D): 105 x 65 x 110 mm³Weight: approx. 550 g Teseq GmbHLandsberger Str. 255 · 12623

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Atec Teseq-Schaffner-ISN-T8-CAT6 Manuel d'utilisateur

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