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14 VA-8xl - Controlling the VA-8xl
Figure 10: Configuring up to 15 VA-8xl Units
6.3.1 Connecting a Control Interface on a Set of Units
To connect the control interface on a set of units, do one of the following:
• Connect the RS-232 port on the first VA-8xl unit to a PC or other
controller, and then connect the RS-232 port on each of the
VA-8xl units, using the specially prepared RS-232 cable (see Section
6.3.2) or
• Connect a PC or other controller to the “RS-232 in” 9-pin D-sub (F)
port on a Kramer Tools VP-43xl Interface Converter and connect the
RS-485 port on the VP-43xl to the RS-485 ports on each of the
VA-8xl units (see Section
6.3.3)
6.3.2 Preparing the RS-232 Port on a Set of Units
To connect a PC to a set of VA-8xl units do the following:
1. Prepare the RS-232 9-pin D-sub (F) connector (A), by connecting PIN 4 to
PIN 6 and connecting PINS 8, 7, and 1 together.