Vaisala Hydromet Data Collection Platform - Manual (Page 142)

User's Guide ______________________________________________________________________
140 __________________________________________________________________M210784EN-E
RS-232 Module DSU232
The unisolated RS-232 module provides either a double serial channel
without handshaking or a single RS-232 with handshaking. In addition,
an optional SDI-12 interface is available.
1007-019 Figure 61 RS-232 Wiring Diagram
1006-123 Figure 62 Suggested T-Connection in Dual Port Mode
For the SDI-12 wiring with the later version, see Figure 68 on page 145 .
The SDI-12 data pin is the same as in the dual RS-485 module, and the
same wiring method can be used as in
Figure 68 on page 145 .
See Figure 68 on page 145 and Table 32 on page 141 for the SDI-12
jumper of DSU232-C.