TECHNICAL SPECIFICATIONS
40
AREX™ 400
RS232 (COM3)
Control rack back panel connector
Plug Sub-D, 9 pins, male.
Figure 17: RS232 connector, male panel plug (front view)
Table 8: Standard RS232 connector pinout
Ext Focus
Scan head connector
Socket, M8, 4 pins female.
Figure 18: Ext Focus connector, female socket (front view)
PIN
SIGNAL
TYPE
DESCRIPTION
1
DCD
Input
Data Carrier Detect
2
RXD
Input
Receive Data
3
TXD
Output
Transmit Data
4
DTR
Output
Data Terminal Ready
5
GND
Ground
Ground reference
6
DSR
Input
Data Set Ready
7
RTS
Output
Request To Send
8
CTS
Input
Clear To Send
9
RI
Input
Ringing Indicator
PIN
SIGNAL
TYPE
DESCRIPTION
1
EX
Power Output
Reserved Auxiliary power supply for focusing beam
2
EXT_FOCUS-
Ground
Reserved ground for focusing beam
3
RESERVED
-
DO NOT CONNECT
4
RESERVED
-
DO NOT CONNECT