Vaisala GMT220 - Manual (Page 19)

Chapter 4 _______________________________________________________Serial Communication
VAISALA _______________________________________________________________________ 19
CHAPTER 4
SERIAL COMMUNICATION
This chapter contains information that is needed to change the Carbon
Dioxide Transmitter Series GMT220 settings and to read the device
status.
Serial Cable Settings
The GMT220 is linked to PC via a serial cable equipped with a COM
adapter (optional part 19040GM, can be ordered from Vaisala).
Connect the serial cable to your PC's serial port and transmitter's serial
port located in the motherboard, see Figure 9 below.
0807-039
Figure 9 Serial Port and Cable Direction