Impulse 3405 User Manual
Page 14
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Technical
Description
Sealevel Systems VERSA COMM+4/EX Page
11
Connector Pin Assignments
DB-25 Male (RS-232 DTE)
Signal Name
Pin
#
Mode
GND Ground
7
TD Transmit
Data
2
Output
RTS
Request To Send
4
Output
DTR
Data Terminal Ready
20
Output
RD Receive
Data
3
Input
CTS
Clear To Send
5
Input
DSR
Data Set Ready
6
Input
DCD
Data Carrier Detect
8
Input
RI Ring
Indicator
22
Input
DB-9 Male (EIA-574 DTE)
Signal Name
Pin
#
Mode
GND Ground
5
TD Transmit
Data
3
Output
RTS
Request To Send
7
Output
DTR
Data Terminal Ready
4
Output
RD Receive
Data
2
Input
CTS
Clear To Send
8
Input
DSR
Data Set Ready
6
Input
DCD
Data Carrier Detect
1
Input
RI Ring
Indicator
9
Input
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