Expansion port mounting – VEGA LUCOM EDGE router ER75i v2 SL USER’S GUIDE User Manual
Page 13
EXPANSION PORT MOUNTING
13
2.8.3.
Connection of the Port1 Connector – RS232
Panel socket RJ45 (RS232 – DCE – Data Communication Equipment).
Pin
number
Signal
mark
Description
Data flow direction
1
RTS
Request To Send
Input
2
CTS
Clear To Send
Output
3
DTR
Data Terminal Ready
Input
4
DSR
Data Set Ready – connected to +4 V through
330 Ohm
Output
5
GND
GROUND – signal ground
6
RXD
Receive Data
Output
7
CD
Carrier Detect
Output
8
TXD
Transmit Data
Input
Circuit example:
The router connection to the PC:
•
cable KD2 is connected to serial port PC (example COM1)
The router connection to equipment with full-value RS232 interface:
Router
ETH
PORT1
PWR
Cable KD-2
Router
ETH
PORT1
PWR
Cable KD-2
Pin 1 – RTS
Pin 2 – CTS
Pin 3 – DTR
Pin 4 – DSR
Pin 5 – GND
Pin 6 – RXD
Pin 7 – CD
Pin 8 – TXD
Router
Meter
GND
RXD
TXD
LUCOM GmbH * Ansbacher Str. 2a * 90513 Zirndorf * Tel. 09127/59 460-10 * Fax. 09127/59 460-20 * www.lucom.de