Envision Peripherals NV3128 User Manual download pdf (Page 41)

NV3128 RS-422A Machine-Control Routing Switch 2-17

OPTION II: If the controlling RS232 device communicates over a 25-

pin serial port:

1. Configure the Control Interface Module as a DTE

2. Create (or buy) a 9-pin (male) to 25-pin (female) cable using the

9-pin to 25-pin RS-232 wire list below.

9-PIN CONNECTOR 25-PIN CONNECTOR

4 20

922

OPTION III: If the controlling RS232 device communicates over

a 9-pin serial port:

1. Configure the Control Interface Module as a DCE.

2. Connect the Control Interface Module and the controlling device

using a 9-pin to 9-pin (male to female) cable, connected straight

through ( no exchange of pins).

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Envision Peripherals NV3128 User Manual Page 41