Rs232-Rs485-Eth Interface; Version With Rs232-Rs485-Eth Interface; Connections Of The Ethernet Connector - Advantech SmartFlex SR305 User Manual

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5.10.3 RS232-RS485-ETH interface

This interface board includes a panel RJ45 connector for Ethernet connection (ETH2 in

the figure), and four-pin and three-pin terminal block connectors for RS232 and RS485 con-

nection. The insulation strength is up to 2.5 kV between the ETH2 and RS485 interfaces and

from the rest of the router, too. The RS232 interface is not insulated from the rest of the router.

State indication is displayed by LEDs above each connector, as shown in the table below.

These router versions comply with the standards and temperature ranges stated in Chap. 7.1.

Connection of ETH connector:

LUCOM GmbH — Flößaustr. 22a — 90763 Fürth — Tel.: +49 911/ 957 606 00 — E-Mail: info@lucom.de — www.lucom.de

Figure 45: Version with RS232-RS485-ETH interface

Signal

Description

TXD+

Transmit Data – positive pole

TXD-

Transmit Data – negative pole

RXD+

Receive Data – positive pole

—

RXD-

Receive Data – negative pole

—

Table 24: Connections of the Ethernet Connector

Figure 46: Ethernet connector

SmartFlex SR305

Direction

Input/Output

—

Input/Output

—

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