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