Kramer Electronics VP-411DS - Manual (Page 13)

Connecting 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
Figure 6 , as
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 a PC
1 Also known as a Null-modem connection