
Guide to your RTcom-Global  & Max Modem
Reset Button
supply
RS232 interface
Carrier Detect LED (Global only)
Channel selection switch (Global Only, See Table)
Mode Switch for RS232 /
RS485 Modes
 Status LED's
 Status LED's
Mode Switch for Data
Rate and data format
Links to select 
RS485
RS422 &
RS485
Interface
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