System Manual

Table Of Contents
Pin Description / Function
3 Tx - Output on transponder, 2.5 V
4 Supply voltage, 3.3 V ±100 mV
P1 connector
The individual pins are connected to the solder contacts (P4).
Type: JST SM04B-SRSS-TB
Pin Description / Function
1 Rx - Input on the transponder, 2.5 V (3.3 V)
2 Tx - Output on transponder, 2.5 V
3 Grounding
4 Supply voltage, VCC, 3.3 V ±100 mV
P2 connector
Internal interface for production and manufacturing test, do not use.
7.8.1.3 LED status indicator
The operating states of the gateways are indicated by the LEDs. The states can be off
, on
and flashing .
LED Meaning
Lights up briefly when radio is active
Is off when the transponder is inactive
7.8.1.4 Dimension drawing
The antenna is connected to the PCB via a 5 cm long U.FL cable. The contacts used are P3 on
the PCB and P1 on the antenna.
Transponder
7.8 SIMATIC RTLS PCB OEM CHIRP
System Manual, 04/2019, C79000-G8976-C577-01 183