NDS ExpandOR, Installation Manual

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4
Electrical Symbols
Power Switch:
The power switch is push on / push off. When the switch is off the ring around the center
portion is black. When the switch is on, the center portion is depressed and the ring is
illuminated blue. The illustration shows the switch in its
ON state.
The power symbol, left, is on the Front Panel under the power switch.
Connector Panel
DC IN = Power input, use the provided power supply .
AUDIO = Audio connectors:
MIC IN = Audio input from a microphone
LINE IN = Audio input from a line level source (e. g. Audio preamplifier)
LINE OUT = Line level output suitable for directly driving headphones. It may also be connected to
an audio amplifier.
DVI IN, DVI OUT , and Y/C OUT video connectors. Note: Y/C = S-Video
RS-232 = Serial communication port. The RS-232 port is for NDS use only.
USB = Used to install firmware upgrades, capture still images, and to record the video stream.
GPI = General Purpose Interface allows specific ExpandOR functions to be controlled remotely.
IP = Ethernet connector. The video stream is transmitted to, and received from the network via the IP
connector.
Installation Step 2
Using the drawing below, locate the DC IN connector, and insert the power supply’s DC output jack into the
DC IN connector until it seats. When the power supply’s output jack is seated, thread its locking ring
onto the DC IN connector until it is finger tight. Do not plug in the power supply or mains connector of the
ExpandOR . Installation Step 3 is on the next page.