Hi Chris,
Lets stop and think about that for a minute....I should be ok to still run the MAX3081 on the 232 to 422 master board, correct?
Finished thinking?
If ANY one of the drivers on the bus (doesn't matter which one) is enabled it will "occupy" the bus. There can only be ONE enabled driver on the bus at any given time or they will end up fighting each other.
All receivers on all devices shouls be enabled at all times. The transmitter on each device should be enabled when, and only when, that specific device is about to put data onto the bus. If two or more transmitters are enabled at the same time there will be conflicts.
/Henrik.
EDIT: OK, hold on, brainfart on my behalf here. You're running full duplex so please disregard the above. Yes, you can keep the transmitter on the RS232<->RS422 converter enabled all the time. Doh.....




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