Envision Peripherals NV3128 - Manual (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
1 8
2 3
3 2
420
5
7
6 6
7 4
8 5
9 22
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).