9
Connectors and Pin Assignments
10
Asynchronous Serial Communications
RS232 asynchronous serial communications is available on the
front panel through serial ports J2-A, J2-B, and J2-C on the
provided RJ-45 jacks.
Connector J2 pin assignments are the same for all three positions,
J2-A, J2-B, and J2-C as follows:
Figure-3: J2-A, -B, and -C Connectors
RJ45 Jacks as Viewed From the Front Panel
Synchronous Serial Communications
RS232 synchronous serial communications is available on the front
panel serial ports J4-A and J4-B on DB-25 female connectors. The pin
assignments for DB-25 female connectors J4-A and J4-B are shown in
Figure-4 below.
Connector J4 pin assignments are the same for both positions, J4-A
and J4-B as follows:
Pin Function Pin Function
1 Ground (Shield) 14 - -
2 TXD 15 TXC
3 RXD 16 - -
4 RTS 17 RXC
5 CTS 18 LL
6 DSR 19 - -
7 SIG GND 20 DTR
8 DCD 21 - -
9 - - 22 - -
10 - - 23 - -
11 - - 24 - -
12 - - 25 - -
13 - -
Figure-4: J4-A, -B Female DB25 Connectors
as Viewed From the Front Panel
Table-1: J2 RJ45 Connector Pin Assignments
Table-2: DB25 Connector Pin Assignments
Pin Function
1 RTS
2 - -
3 TXD
4 GND
5 GND
6 RXD
7 - -
8 CTS
Connectors and Pin Assignments
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