Envision Peripherals NV3128 User Manual download pdf (Page 39)

NV3128 RS-422A Machine-Control Routing Switch 2-15

RS-422 Cable Pin-Out

PIN Controlling Device Controlled Device

1 Frame Ground Frame Ground

2 Receive A Transmit A

3 Transmit B Receive B

4 Transmit Common Receive Common

5 Spare Spare

6 Receive Common Transmit Common

7 Receive B Transmit B

8 Transmit A Receive A

9 Frame Ground Frame Ground

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Envision Peripherals NV3128 User Manual Page 39