Manual

PAGE 12 07 JUNE 2007 MAN0543-05
a. Port 1 / Port 2 Modular Jacks
Table 6 – Port 1 / Port 2 Pins
Port 1
Port 2
Pin
Signal
1 +SD/RD
2 -SD/RD
3 +5V
4 +5V
5 0V
6 0V
7 RXD
8 TXD
Output power supply: Max. 150mA
Figure 17– Close-up of Port 1 /Port 2
(RS-232 and RS-485)
b. Port 3 Connector
Figure 18 –RS-232 / RS-485 Connector
(Port 3)
Figure 19 - RS-232 Port (Port 3)
1 2 3 4 5 6 7 8
1
13
14
25
Shielded Cable
Receive Data
SG
SG
Send Data
To RS-232 Port
SG 7
CS 5
Port 3
RS 4
RD 3
SD 2
FG 1
Signal Pin No.
Table 7– Port 3 Pins
Pin
#
Signal Pin
#
Signal
1
FG
14
OCS3xx
-RTS
OCS451, 551, 651
+RTS
2
TXD
15
Not Used
3
RXD
16
Not Used
4
RTS
17
OCS3xx
+RTS
OCS451, 551, 651
-RTS
5
CTS
18
-CTS
6
Not Used
19
+CTS
7
SG
20
Not Used
8
Not Used
21
Not Used
9
+5V
22
Not Used
10
0V
23
Not Used
11
Not Used
24
+RD
12
+SD
25
-RD
13
-SD