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Remote Control
This section describes the remote control operation of the PowerCage FOX 4G DVI and
PowerCage FOX 4G VGA, including:
•
•
The transmitter and receiver boards each have an RS-232 serial port on a 3-pin captive
screw connector that can be connected to a host device such as a computer running the
HyperTerminal utility, an RS-232 capable PDA, or a control system. The PowerCage enclosure
has a Configuration port, a 2.5 mm mini stereo jack, that parallels the board ports. These
ports make serial control of the transmitter and receiver possible.
The protocol for all ports is as follows:
•
•
NOTES: • For each unit, the Remote RS-232 port is active only if the PowerCage
Board Remote RS-232 Ports
REMOTE
RS-232
Tx Rx
NOTE
Figure 13.
Simple Instruction Set Control
Windows-based Program Control
9600 baud
•
no parity
1 stop bit
•
no flow control
Configuration port is not active. If an active Configuration port connection is
made, the Remote RS-232 port for that board becomes inactive.
• Only one fiber optic cable, transmitter-Tx-to-receiver-Rx, is required for
video, audio, and serial command transmission. But, if you connect only one
fiber optic cable, you will not receive RS-232 reports from the controlled
device, and there will be reduced RS-232 command and control program
functionality on the Rx unit. To receive responses from the controlled
device and for full functionality, install both fiber optic cables and leave the
FOXBOX receiver in normal configuration (via an
PowerCage FOX 4G Rx receiver).
Pin
Function
ALARM
TX
Transmit data
RX
Receive data
1 2
Gnd
Signal ground
Do not tin the wires!
Bidirectional
Ground (
)
Receive (Rx)
Transmit (Tx)
Cross the Tx and Rx lines once between the source
and the target.
Remote Connector Pin Assignments
PowerCage FOX 4G DVI and PowerCage FOX 4G VGA • Remote Control
•
8 data bits
SIS command
Controlling
Device
Ground (
)
Receive (Rx)
Transmit (Tx)
for the
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