Hardware Manual

Hardware Manual / EQU RTK

Swiss Timing, Ltd. Version 1.1 Page 6 of 23

RTK_EQU_Tracking_System_Hardware-Manual.docx

4.3 Electrical Specification

Make sure that your intended power supply for the RTK Base Station does not

exceed the voltage limits of 12 – 24 VDC in order to prevent malfunction or damage

to the device.

Pinouts and voltage ratings for the POWER/SERIAL and DATA/POWER OUT connectors are set out in the table

below.

CONNECTOR NAME

CONNECTOR

REFERENCE

PIN ID

SIGNAL DESCRIPTION

DATA/POWER OUT

M12 8pFT-X

Ethernet: TX+

Ethernet: TX-

Ethernet: RX+

Ethernet: RX-

Power supply: 12 – 24 VDC

Power supply: GND

POWER/SERIAL

M12 8pMT-A

RS422: RX+

RS422: RX-

Power supply: GND

RS422: TX+

RS422: TX-

Power supply: GND

Power supply: 12 – 24 VDC

4.4 LED Status

The device is equipped with two status LEDs. The blue LED illuminates when the device is properly supplied with

power. The green LED flashes during GNSS signal acquisition and fully illuminates as soon as it has a proper GNSS

fix. The device is fully operational when both status LEDs are light up.

Figure 5: Status LEDs on the RTK Base Station

POWER: blue LED

GNSS: green LED