Specifications – Campbell Scientific SC932 9-Pin to RS-232-DCE Interface User Manual
Page 6
SC932 9-Pin to RS-232-DCE Interface
2
2. Specifications
25 Pin Male Connector Pin-out:
Pin No.
I/O
Name
Description
1
GND
Chassis Ground
2
out
TXD
SC932 transmits data on this line
3
in
RXD
SC932 receives data on this line
4
out
RTS
Held active by SC932 (see jumper description
7
GND
Signal Ground
20
out
DTR
Held active by SC932 (see jumper description
22
in
RING
Rings datalogger
9 Pin Male Connector Pin-out:
Pin No. I/O
Name
Description
1
in
+5V
Regulated 5 Volt supply
2
GND
Ground
3
out
RING
Ring signal to datalogger
4
out
RXD
SC932 transmits on this line
5
in
ME
Modem Enable
6
in
SDE
Synchronous Device Enable
9
in
TXD
SC932 receives on this line
Data Rates
The SC932 will support baud rates up to 19,200 bps