Vaisala AWS330 - Manual (Page 243)

Chapter 8 ____________________________________________________________ Technical Data
VAISALA ______________________________________________________________________ 241
Figure 127 on page 240 provides a schematic wiring diagram for the dual
RS-485 connection, a dual 2-wire connection utilizing both channels. The
correct jumper settings for the channel B are listed in Table 74 on page
242. The jumpers are located on the module as illustrated in Figure 128
below.
0903-024
Figure 128 RS-232 Jumper Settings
Figure 129 below provides a schematic wiring diagram for the
combination of the RS-485 and RS-232 connection. Jumpers X3 and X6
are used to select between the RS-485 and RS-232 modes for channel B.
The correct jumper settings for channel B are listed in Table 74 on page
242.
1006-102
Figure 129 Dual RS-485 Wiring Diagram for RS-485 and RS-232