Installation
Electrical installation
Specification of the Ethernet cable
5
30
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