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10/12/13
TTU-12x0 Hardware & Installation Guide - PULS Wiki
https://puls.calamp.com/wiki/TTU-12x0_Hardware_%26_Installation_Guide
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TTU-12x0™ Power and I/O leads
3.2.2 Serial Adapter
To add a host serial adapter to the TTU-12x0™ there is 1 additional part:
Part Number 133792: Serial Adapter.
To use this part, simply connect the following wires together on the screw block - red to red, black to black, orange to
orange and yellow to yellow. Then connect the DB9 connector to your serial port.
3.2.3 Accessories
See the Harness Diagrams page for more information on LMU accessories, and supported products table.
3.3 GPS Receiver
The TTU-12x0™’s GPS receiver has the following specifications:
50 channel GPS receiver
Accuracy: 3 meter CEP (with SA off)
-160dBm Tracking Sensitivity
For external models, the antenna connector is SMA female.
Note that the CalAmp TTU-12x0™ requires an antenna amplifier that operates at 3VDC; 5VDC amps will not work.
3.4 External RF Connector
The external antenna connection for the TTU-12x0™ is SMC with 50Ω nominal impedance.
3.5 I/O Descriptions