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DTP2 R 212 Series • Installation
15
Display and Remote RS‑232 Control
Use a 3‑pole captive screw connector to connect to the
Display
and
Remote
RS‑232
ports. Use the
Display
port for a display device and the
Remote
port for a computer or
control system.
1.
Wire the unterminated end of the RS‑232 cable to the three pins of the 3‑pole
captive screw connector, starting at the left of the 3‑pole captive screw connector
(see figure 10):
a.
Connect the transmit wire from the RS‑232 device into the Rx pin of the switcher.
b.
Connect the receive wire from the RS‑232 device into the Tx pin of the switcher.
c.
Connect the ground wire from the RS‑232 device into the G pin of the switcher.
2.
Plug the 3‑pole connector into the appropriate
Display
or
Remote
port on the rear
panel of the switcher.
3.
Connect the other end of the cable to the appropriate computer or control system port.
RS-232
Tx Rx G
REMOTE
Transmit
Receive
Receive
Transmit
Ground
Ground
Figure 10.
Remote Control RS-232 Connector
Remote Control (SA models only)
This 3‑pin, captive screw port allows an external audio controller to control volume and
mute levels remotely. When using the remote for the SA model, be sure to first set the VOL
switch to the lower position (see
Wiring for potentiometer volume control
Options for remote volume control include the Extron VC 50, VCM 100 AAP, VCM 100
MAAP, VCM 200 series, and MLA VC10 Plus. Third party 10k potentiometer volume
controllers can also be connected to this port.
Figure 11 and the following instructions show the wiring for the VMS 100 MAAP. Wiring
other remote control connectors is similar.
V C G
10V
50mA
REMO
TE
Ground (Pin 3)
Volume Pot
10k ohms
2k ohms
Vol/Mute
(Pin 2)
10 V (Pin 1)
Mute
Switch
Figure 11.
Remote Control Wiring (SA models only)
10
11
Содержание DTP2 R 212 Series
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