
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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