Vaisala HMP240 - Manual (Page 22)

HMP240
User's Guide
M210300en
20
OPENED COVER OF THE HMP 243
X55
spare jumpers
Figure 4.3 Spare jumpers
4.4 Connecting the RS 232C serial bus
RX
GND
TX
NC
OPENED COVER OF THE HMP 243
X6
Figure 4.4 Serial bus connections
To connect a PC to the HMP240 transmitter via the RS 232C serial bus, one of
the following cables is required. The type of the cable depends on the terminal
and the connector type.