Campbell Scientific MD485 RS-485 Multidrop Interface - Manual (Page 49)

Appendix D. Digital Cellular Modem to MD485 Network
2. TRANSPARENT COMMUNICATION
PC-Modem----Cell Tower Redwing-null modem-MD485-MD485-DL
LoggerNet Setup
a. Setup:
TAPIPort
TAPIRemote
PakBus Port (PakBus dataloggers only)
CR1000
b. TAPIPort – TAPI line corresponding to PC's modem
c. TAPIRemote – input digital cellular modem's phone number
d. PakBus Port – defaults (PakBus dataloggers only)
e. CR1000 – default settings, schedule collections as desired
MD485 Configuration
a. Base MD485
1) Active Ports – “RS-232 and RS-485”
2) Communication Mode – “Transparent Communication”
3) RS-232 Port Configuration – Desired baud rate
4) RS-485 Port Configuration – Desired baud rate
b. Remote MD485
1) Active Ports – “CS I/O and RS-485”
2) Communication Mode – “Transparent Communication”
3) CS I/O Port Configuration – Modem Enable
4) RS-485 Port Configuration – Desired baud rate
3. MD9 EMULATION (POINT-TO-MULTIPOINT)
PC-Modem----Cell Tower Redwing-null modem cable-MD485 ------MD485-DL1
------MD485-DL2
LoggerNet Setup
a. Setup:
TAPIPort
TAPIRemote
MD9Base
MD9Remote
CR10X
MD9Remote_2
CR10X_2
b. TAPIPort – TAPI line corresponding to PC's modem
D-5