Siemens SIMATIC RTLS, System Manual

Page: 190 / 204

Pin Description / Function
3 Tx - Output on the transponder, 3.3 V
4 Supply voltage 3.3 V
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, 3.3 V
2 Tx - Output on the transponder, 3.3 V
3 Grounding
4 Supply voltage, VCC, 3.3 V ±100 mV
P2 connector
Internal interface for production and manufacturing test, do not use.
7.9.1.3 LED status indicator
The operating states of the transponder 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
7.9.1.4 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
7.9 SIMATIC RTLS PCB OEM PULSE
190
System Manual, 04/2019, C79000-G8976-C577-01