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Serial port pin-outs
66
Models 2211 & 2232 Getting Started Guide
C • Cable Recommendations
Serial port pin-outs
The pin assignment of the device server DB9- connector is summarized in
table 11
. Each pin has a function
according to the serial communication type configuration.
Figure 10. Pin layout of the DB-9 connector
Ethernet wiring diagrams (Model 2232 only)
Figure 11. Ethernet direct connection using crossover Ethernet cable
The interconnecting cables shall be acceptable for external use
and shall be rated for the proper application with respect to volt-
age, current, anticipated temperature, flammability, and
mechanical serviceability.
Table 11. Pin assignment of DB-9 connector
Pin
RS-232
1
–
2
Rx
3
Tx
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
–
CAUTIO
1 2 3 4 5
6 7 8 9
Rx+(3)
Rx-(6)
Tx+(1)
Tx-(2)
Rx+(3)
Rx-(6)
Tx+(1)
Tx-(2)
Model 2285
Remote host