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Installation

Electrical installation

Specification of the Ethernet cable



EDSMF2191IB EN 2.0

5.2.6 Specification of the Ethernet cable

 Note!

Only use cables complying with the below specifications.

Ethernet cable specifications

Ethernet standard Standard Ethernet (according to IEEE 802.3), 100base TX (fast Ethernet)

Cable type S/FTP (Screened Foiled Twisted Pair), ISO/IEC 11801 or EN 50173, CAT 5e

Damping 23.2 dB (at 100 MHz and per 100 m)

Crosstalk damping 24 dB (at 100 MHz and per 100 m)

Return loss 10 dB (per 100 m)

Surge impedance 100 

Design of the Ethernet cable

E94YCEP016

Fig. 5−3 Design of the Ethernet cable (S/FTP, CAT 5e)

A Cable insulation

B Braid

C Foil shielding of the core pairs

TP1 ... TP4 Twisted core pairs 1 ... 4

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 55 56

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Lenze EMF2191IB Bedienungsanleitung Seite 30