Installation Guide

7/21/2020 TTU-2900 Hardware & Installation Guide - PULS Wiki
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Operating Voltage Range
The TTU-2900™ supports vehicles with 12 or 24 VDC systems including transients and electrical system noise; this includes ranges from
7 to 32 VDC.
Electrostatic Discharge (ESD)
No damage or performance degradation after the ESD disturbance.
Power Consumption
9-30 VDC (Start-up, Operating)
7-32 VDC (Momentary)
500 uA @ 12V (Deep Sleep)
20 mA @ 12V (Idle on Network)
150 mA @ 12V (Active Tracking With VBUS Active)
3.2 TTU-2900™ Connectors
The TTU-2900™ offers connectors to access VBUS, I/O, other expansion capabilities. These connectors are:
Battery Applicator
SIM Card Port
3.2.1 Vehicle Power and I/O Harness
The TTU-2900™'s features expanded power and I/O capabilities via its 12 pin external harness. The pinout is as follows :
Pin Color Signal Description Input or output Wire gauge
1 WHITE Input-0 / Ignition Input 22 AWG
2 - 6 (Not populated)
7 PINK ADC Input Input 22 AWG
8 WHITE/BLUE 1BB Input 22 AWG
9 TAN/GREEN Aux 1 RX Output 22 AWG
10 TAN/BLUE Aux 1 TX Input 22 AWG
11 RED Vin Input 20 AWG
12 BLACK Ground Ground 20 AWG