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19
G E T T I N G S TA R T E D
19
M U LT E N E T P O C K E T P A D
RS232 Configuration
KEY
DB9 Male Interface
RS232 Enabled
PIN
DESCRIPTION
DIP1 - 1
RX TM
OFF
DIP1 - 2
TX TM
OFF
DIP2 - 1
RX-
OFF (RS422/RS485)
DIP2 - 2
TX-
OFF (RS422/RS485)
DIP2 - 3
TX+
OFF (RS422/RS485)
DIP2 - 4
RX+
OFF (RS422/RS485)
DIP3 - 1
HRX-
ON (RS232)
DIP3 - 2
HTX-
ON (RS232)
DIP3 - 3
HTX+
ON (RS232)
DIP3 - 4
HRX+
ON (RS232)
DIP4 - 1
RX+/TX+
OFF
DIP4 - 2
RX-/TX-
OFF
DIP5 - 1
-
OFF
DIP5 - 2
SEL
OFF (enable RS232 operation)
RS232 DIP Switch Settings
PIN
SIGNAL
DESCRIPTION
1
CD
IN
CARRIER DETECT
2
RD
IN
RECEIVE DATA
3
TD
OUT
TRANSMIT DATA
4
DTR
OUT
DATA TERMINAL READY
5
GND
-
SIGNAL GROUND
6
DSR
IN
DATA SET READY
7
RTS
OUT
REQUEST TO SEND
8
CTS
IN
CLEAR TO SEND
9
RI
IN
RING INDICATOR
RS232 DB9 Serial Interface Pinout