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5
DTE-16 Plus Installation and Operation Manual
INSTALLATION
Surge Protection/RF Filtering
The DTE-16 Plus has built-in resistance to voltage changes; we recommend that you
use a power surge protector or line conditioner on the incoming AC line. Lightning
strikes and/or other high voltage surges may damage your DTE-16 Plus and con-
nected equipment if it is not properly protected. For lightning protection devices,
check out HYPERLINK "http://www.polyphaser.com" www.polyphaser.com and
HYPERLINK "http://www.itwlinx.com" www.itwlinx.com.
UPS Standby Power System
We recommend that you connect your DTE-16 Plus to a UPS system. A UPS helps
minimize the risk to the DTE-16 Plus and provides power during a power outage.
Channel Control Inputs
Connect a normally open dry contact closure between the “GND” terminal and any
of the 16 channels. The channels are labeled 1 thru 16. The DV led will light when
tones are generated.
Mixed/Tone Output
The mix balanced audio output includes the encoded tone audio mixed with the mix
audio input, if present. Connect Out -, Out + and GND to your input device.
NOTE: Expect a mixing loss thru the mix network.
MIX Input
This audio input is resistively mixed with the output of the internal DTMF tone
encoder. Connect your program audio source equipment to the rear panel screw ter-
minals labeled Mix -, Mix + and GND.
Power Input
2.1mm coaxial DC power jack, 7.5 - 12 VDC, center positive.
PGM Button
This recessed momentary pushbutton places the DTE in and out of Program mode.
USB Port
This type B USB port is used to connect the DTE to a computer for programming
and computer control. If the DTE is being used as a stand-alone tone encoder, this
only needs to be connected to a computer for setup/programming.
LED Indicators
Input LED’s:
Each input’s LED (1-16) will illuminate when active.
“PWR” LED:
Lit when powered up.
“DV” LED:
Lit when tone(s) are generated.
“PGM” LED:
Blinks when in program mode.
“DATA or DAT” LED:
Blinks to indicate data activity (USB COM port.)
Tone Send Level
The front panel “Tone Send Level” control trimmer may be used to adjust the
mixed/DTMF tone output from off to +4 dBu.
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