Kramer Electronics VP-128H

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Connecting a VP-128H Matrix Switcher

5.2 Controlling via RS-232 (for example, using a PC)

You can connect a PC to the RS-232 port of the VP-128H unit, with or

without using a Null-modem adapter (provided with the machine):

To connect a PC to the VP-128H unit, using the Null-modem adapter

provided with the machine:

 Connect the RS-232 DB9 rear panel port on the VP-128H 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 VP-128H 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 VP-128H unit, as Figure 4 illustrates

(depending on whether the

PC has a 9-pin or 25-pin connector)

Figure 4: Connecting a PC without using a Null-modem Adapter

1 The construction of the RS-232 I/O includes internal jumpers that allow the VP-128H to require an external n ull modem or

use a generic pin-to-pin 9 pin cable to a PC with no Null-modem adapter