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Using the VP-411DS 4x1 Automatic UXGA / Audio Switcher
11
5.4 Connecting a PC
You can connect a PC (or other controller) to the VP-411DS via the RS-232
port for remote control, and for upgrading the firmware.
To connect a PC to a VP-411DS unit, using the Null-modem adapter provided
with the machine (recommended):
Connect the RS-232 9-pin D-sub rear panel port on the VP-411DS unit to
the Null-modem adapter and connect the Null-modem adapter with a 9-wire
flat cable to the RS-232 9-pin D-sub port on your PC
To connect a PC to a VP-411DS unit, without using a Null-modem adapter:
Connect the RS-232 9-pin D-sub port on your PC to the RS-232 9-pin
D-sub rear panel port on the VP-411DS unit, forming a cross-connection
1
,
as Figure 6 illustrates
9-pin D-sub
(From PC)
9-pin D-sub
(To Switcher)
If a shielded cable is used, connect the shield to PIN 5
PIN 5 Connected to PIN 5 (Ground)
PIN 3 Connected to PIN 2
PIN 2 Connected to PIN 3
Figure 6: Connecting the PC
1 Also known as a Null-modem connection