
Passive Components for Electrical Networks
4-23
SIMATIC NET Tw isted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Pinning
converting
AUI/ITP port
1
6
5
9
3
10
5
12
6
7
RD+
RD--
TD+
TD--
TD+
TD--
RD+
RD--
Function
Network component
Casing, Shield Pin Function
DTE
9-pin sub-D connector
Coding jumper for
15-pin sub-D connector
Pin
blue
white
orange
white
a) Pinning of the ITP standard cable 9/15
b) Pinning of the ITP XP standard cable 9/9
1
6
5
9
1
6
5
9
RD+
RD-
TD+
TD-
RD+
RD--
TD+
TD--
Function
Casing, Shield
Pin
Function
9-pin sub-D connector
9-pin sub-D connector
Pin
blue
white
orange
white
Network component Network component
converting
AUI/ITP port
3
10
5
12
3
10
5
12
6
7
TD+
TD--
RD+
RD--
TD+
TD--
RD+
RD--
Function
(DTE)
Casing, Shield
Pin
Function
(DTE)
Coding jumper for
Pin
blue
white
orange
white
converting AUI/ITP
port
Coding jumper for
6
7
c) Pinning of the ITP XP standard cable 15/15
15-pin sub-D connector15-pin sub-D connector
DTE
DTE
Figure 4-6 Pinning of the Industrial Twisted Pair Standard Cables
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