STS.01
Spartan Iridium Transceiver
Antenna System
User Manual
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Contents
1. Introduction .................................................................................................................................. 3
2. Installation .................................................................................................................................... 3
3. Cable ............................................................................................................................................... 5
4. Powering the Device .................................................................................................................. 6
5. Enabling the Iridium Radio ..................................................................................................... 6
6. Serial Communication............................................................................................................... 6
7. Network Available Output ....................................................................................................... 6
8. Tamper Detection ....................................................................................................................... 7
9. Device Performance .................................................................................................................. 8
10. Mechanical Drawing ................................................................................................................. 14
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1. Introduction
This document covers details and usage of the Spartan STS.01 product. The
document includes installation and functional instructions for the user.
2. Installation
The device needs to be installed so that it has a clear view of the sky. The flat, metal
base plate should be facing downward, and the domed plastic top is required to be
pointed straight up at the sky. Iridium is a satellite system so the unit needs to be
able to see the satellites in order to communicate with the Iridium system.
The provided washer and nut can be used to mount the device through a hole in a
flat surface, as shown below in Figure 1. The bottom of the device has an adhesive
foam pad that keeps the unit from rotating in place. This also seals the hole from
water ingress. Be sure to remove the paper backing prior to seating the unit in its
mounting hole.
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Figure 1 - Proper Device Orientation
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Conductor Color
Conductor Function
Red
Power Input (+8-32V)
Black
Power and Signal GND
Orange
On/Off Control (>1.4v Input to enable Iridium module)
Blue
Network Available (+3.3V Output)
Green
RX (Relative to Antenna Module)
Yellow
TX (Relative to Antenna Module)
Gray
Tamper Detect
White
Chassis Ground
Drain Wire
Internally connected to Chassis Ground
3. Cable
The STS.01 has a single 8-conductor cable for power and communication. The
conductor description is as follows:
Figure 2 – Cable Diagram
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