Owner's manual

Controlling the VS-44HC
13
7 Controlling the VS-44HC
You can control the VS-44HC via:
 RS-232 (see section 7.1)
 RS-485 (see section 7.2)
 The Ethernet (see section 7.3)
 The IR remote control transmitter (see the separate user manual)
7.1 Controlling via RS-232 (for example, using a PC)
To connect a PC
1
to the VS-44HC unit, using the Null-modem adapter
provided with the machine (recommended):
 Connect the RS-232 DB9 rear panel port on the Master VS-44HC unit to
the Null-modem adapter and connect the Null-modem adapter with a
9-wire flat cable to the RS-232 DB9 port on your PC
To connect a PC to the VS-44HC unit, without using a Null-modem adapter:
 Connect the RS-232 DB9 port on your PC to the RS-232 DB9 rear panel
port on the Master VS-44HC unit, as Figure 6 illustrates
Female DB9 (From PC)
PIN 4 Connected to PIN 6
PINS 8, 7, 1 Connected together
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
Male DB9
Figure 6: Connecting a PC without using a Null-modem Adapter
1 Or a master program remote control system such as the Kramer RC-3000