SF
RUN
STOP
R
STOP
RUN
CP 343–1
english
16
Product information CP 343–1
C79000–Z8964–C038–05
3.2 Pinout
Connector for Industrial Ethernet
On the front panel of the CP 343-1, there is a 15-pin sub D female connector
with a sliding locking mechanism for connecting a transceiver cable. The
signals of an ITP interface can also be applied to this connector (switchover
by relay).
For operation via the AUI interface, use the 727-1 transceiver cable. A
special SIMATIC NET ITP cable must be used when operating via the ITP
interface.
Pin– No Signal– name Function
1 MEXT External ground, shield
2 CLSN Collision +
3 TRMT / TPETXD Transmit + / TPE transmit
data +
4 Ground Ground 5V
5 RCV / TPERXD Receive + / TPE Receive
data +
6 M 15 V Ground 15 V
7 TPE_SEL AUI/ITP switchover
8 Ground Ground 5 V
9 CLSN_N Collision –
10 TRMT_N /
TPETXD_N
Transmit – / TPE Transmit
data –
11 Ground Ground 5V
12 RCV_N /
TPERXD_N
Receive – / TPE Receive
data –
13 P15 V +15 V
14 Ground Ground 5V
15 –
Figure 6 Connector Pinout Diagram
Notes on the Pinout
The pinout complies with the IEEE 802.3 AUI interface.The signals TPETXD /
TPETXD_N and TPERXD / TPERXD_N implement the ITP interface.
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