KRAMER: SIMPLE CREATIVE TECHNOLOGY
Connecting the VP-81K 8x1 UXGA / Audio Switcher
12
6.2 Controlling via RS-232
You can connect a PC (or other controller) to the
VP-81K
via the RS-232 port
for remote control, and for upgrading the firmware.
To connect a PC to a
VP-81K
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-81K
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-81K
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-81K
unit, forming a cross-connection
1
, as
Figure 5 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 5: Connecting a PC without using a Null-modem Adapter
1 Also known as a Null-modem connection
