KRAMER: SIMPLE CREATIVE TECHNOLOGY
Connecting the VP-81SID 8x1 Digital STEP-IN Switcher
14
6.3 Connecting to the VP-81SID via the RS-232 Port
You can connect to the
VP-81SID
via an RS-232 connection using, for example, a
PC (see
Section 12
). Note that a null-modem adapter/connection is not required.
To connect to the
VP-81SID
via RS-232:
•
Connect the RS-232 9-pin D-sub rear panel port on the
VP-81SID
unit via a
9-wire straight cable (only pin 2 to pin 2, pin 3 to pin 3, and pin 5 to pin 5
need to be connected) to the RS-232 9-pin D-sub port on your PC
6.4 Connecting to the VP-81SID via the RS-485 Port
You can operate the
VP-81SID
via the RS-485 port from a distance of up to
1200m (3900ft) using any device equipped with an RS-485 port (for example, a
PC). For successful communication, you must set the RS-485 machine number and
bus termination.
To connect a device with a RS-485 port to the VP-81SID:
1. Connect the TxD+ pin on the RS-485 port of the PC to the A pin on the
RS-485 port on the rear panel of the
VP-81SID
.
2. Connect the TxD
–
pin on the RS-485 port of the PC to the B pin on the
RS-485 port on the rear panel of the
VP-81SID
.
3. If shielded TP cable is used, the shield may be connected to the G (ground)
pin on the unit.
6.4.1 Setting the RS-485 Machine Number
The machine number on the RS-485 bus can be set to between 1 and 4 and can be
set using the front panel buttons.
To set the RS-485 machine number using the front panel buttons:
1. Press the Lock button until the button lights.
The front panel buttons are locked.
2. Press the Local Input Select HDMI and Mute buttons at the same time.
The TP Input Select buttons flash.
3. Press the TP Input Select button number (1 to 4) for the required machine
number.
The TP Input Select buttons stop flashing and the selected TP Input Select
button lights.
4. Press the Lock button until the button is no longer lit.
The selected machine number is set and front panel buttons are unlocked.
im Vertrieb von CAMBOARD Electronics
www.camboard.de
Tel. 07131 911201
Fax 07131 911203