Vaisala HMP230 - Manual (Page 33)

HMP230 SERIES
M210225en-B User's Guide
27
OPENED COVER OF THE HMP230
X55
spare jumpers
Figure 24 Spare jumpers
4.4. Connecting the RS 232C serial bus
RX
GND
TX
NC
OPENED COVER OF THE HMP230
X6
Figure 25 Serial bus connections
To connect a PC to the HMP230 transmitters via the RS 232C serial bus, one
of the following cables is required. The type of cable depends on the terminal
and the connector type.