ControlWave Express Instruction Manual (CI-ControlWave Express)
Revised Mar-2011
Installation
2-15
Figure 2-5. Male DB9 9-Pin Connector
Table 2-6. RS-232 COM1 and COM2 Port Connector Pin Assignment
Pin
RS-232
Signal
RS-232 Description
1
DCD
Data Carrier Detect Input
2
RXD
Receive Data Input
3
TXD
Transmit Data Output
4
DTR
Data Terminal Ready Output
5 GND
Power
Ground
6
DSR
Data Set Ready Input
7
RTS
Request to Send Output
8
CTS
Clear to Send Input
9
N/A
Use the “null modem” cable for full-duplex (PPP protocol)
communications when connecting a ControlWave Express to a PC. (See
top part of
Figure 2-6
.)
Table 2-7. RS-232 COM1 (J11) Alternate Connector Pin Assignment
Pin
RS-232
Signal
RS-232 Description
1 GND
Power
ground
2
RXD
Receive data input
3
TXD
Transmit data output
Summary of Contents for Bristol ControlWave Express
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