Kramer Electronics VS-44HC - Manual (Page 17)

Controlling the VS-44HC
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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