Siemens SIMATIC NET CP 343-1 User Manual download pdf (Page 18)

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CP 343–1

english

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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