Getting Started
© SYS TEC electronic GmbH 2007 L-1032e_9 11
3.2.3 RS-232 Interface
The CAN-Ethernet Gateway provides an RS-232 interface with
hardware flow control. This interface is connected to a D-Sub-9 plug.
This interface allows for configuration of the CAN-Ethernet Gateway.
This connector is specifically intended for initial configuration (refer
to section
3.5). The RS-232 interface is not galvanically separated.
DB-9 Plug,
Pin#
Name Signal Description
1 CD Carrier Detect
2 RXD Receive Data
3 TXD Transmit Data
4 DTR Data Terminal Ready
5 GND System Ground
6 DSR Data Set Ready
7 RTS Request to Send
8 CTS Clear to Send
9 RIN Ring Indicator
Table 3: RS-232 Interface Connector Pin Assignment
The CAN-Ethernet Gateway is connected to the PC via a null modem
cable.