Additional Connections To The Dhd Controller (Optional) - Runco Q-750d Ultra Series Installation & Operation Manual

The DHD Controller provides the following interfaces to external equipment that allow it to
control or be controlled by that equipment:
• An RS-232 interface to a PC or control/automation system;
• Three (3), 12-volt trigger outputs;
• An infrared (IR) repeater input;
• An Ethernet network interface for firmware updates and maintenance notifications.
The following sections describe how to make these interface connections. For more
information about using these connections, refer to Network on page 76 and External
Control on page 87.
RS-232 Controller Connection: Use a straight-through, 9-pin RS-232 cable to connect
a PC or control/automation system (if present) to the RS-232 port on the DHD Controller;
see Figure 3-18.
Display Control Display Control
RS-232 RS-232
To Accessory Box To Accessory Box
HDMI Out HDMI Out
HDMI 3 HDMI 3
To Display To Display
HDMI Out HDMI Out
HDMI 4 HDMI 4 Ethernet Ethernet
Audio Only Audio Only
to Automation/
Control System
or PC
Figure 3-18. RS-232 Control System Connection to DHD Controller
Q-750d Ultra Series Installation/Operation Manual
IR IR
RS-232
PC / Control
5 4 3 2 1
6
9 8 7
2 Receive Data
3 Transmit Data
5 Ground
(none of the other pins are used)
39
Installation
Additional Connections to
the DHD Controller
(Optional)