Campbell Scientific MD485 RS-485 Multidrop Interface - Manual (Page 52)

Appendix D. Digital Cellular Modem to MD485 Network
FIGURE D-3. LoggerNet Digital Cellular Modem to MD485 PakBus Networking Setup
MD485 CONFIGURATION
a. Base MD485
1) Active Ports – “RS-232 and RS-485”
2) Communication Mode – “PakBus Networking”
3) RS-232 Port Configuration – Desired baud rate
4) RS-485 Port Configuration – Desired baud rate
b. Remote MD485s
1) Active Ports – “CS I/O and RS-485”
2) Communication Mode – “PakBus Networking”
3) CS I/O Port Configuration – SDC Address 7 or SDC Address 8
4) RS-485 Port Configuration – Desired baud rate
5. HARDWARE
After configuring LoggerNet or PC208W and the MD485s you are ready
to set up hardware. Attach the null modem cable to the RS-232 ports of
the digital cellular modem and the base MD485. Attach wall transformers
to the DC Pwr jack of the base MD485 and the digital cellular modem.
D-8