
Network Design
and Setup
–12
3–12
Network Design and Setup
DL430 and DL440 Port Pinouts
The DL430 and DL440 CPUs have
built-in DirectNET ports. This port is only
a slave port. The following diagram
shows the port pinout connections.
DirectNET
Port
Port Pinouts
Pin 1 Pin 14
Pin Signal Definition
1 Not connected
2 RS232C data out
3 RS232C data in
4 RS232C RTS
5 RS232C CTS
6 Not connected
7 Signal ground
8 Not connected
9 RS422 data in +
10 RS422 data in –
11 RS422 CTS +
12 Not connected
13 Not connected
Pin Signal Definition
14 RS422 data out +
15 Not connected
16 RS422 data out –
17 Not connected
18 RS422 RTS –
19 RS422 RTS +
20 Not connected
21 Not connected
22 Not connected
23 RS422 CTS –
24 Not connected
25 Not connected
Pin labeling conforms to the IBM DTE and DCE standards.
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