Rs422 통신개요와 PCB설계기법 (Rs422 Spec.)

1. Mode of operation : Differential impedance 2. 1 tx, 10 rx 3. Maximum cable length 4000 feet (1200m) 4. Maximum data rate 100kbs/10mbs 5. Minimum driver output range +/-6V 6. Maximum driver output range +/-2v 7. Tx load impedance 100 ohm 8. Rx input Sensitivity +/-200mv 9. Rx input Voltage +/- 7v 10. Maximum Rx input resistance 4 kohm