Users Manual

WAL - Work Area Limitation Module Connections and wiring
5.3.2 Connector A
This 7-pin connector is used for serial communication (UART) and the 3.3V
power supply.
5.3.3 Connector B
This 5-pin connector can be populated for USB communication and debug
purposed.
It is possible to use 5V from the USB cable as power supply. WAL R1 does
currently not use this possibility. The necessary components are not
populated on WAL R1.
5.3.4 Connector Debug
These connectors are just used for debug purposed and serve no purpose
in normal operation.
5.3.5 microSD Slot
The microSD slot is just used for debug purposes and serves no purpose in
normal operation.
5.3.6 Antenna connections
Using these coaxial connectors the external dipol antennas can be con-
nected. Two connectors each build a pair for one antenna to connect:
S5+S6 and S7+S8. It is not allowed to mix these connections for one an-
tenna.
Only the usage of an antenna mentioned in chapter 8 (‘Accessories and
spares’) is allowed and certified.
5.3.7 Status LEDs
The functionality of the three status LEDs is explained in chapter 6 (‘Status
LEDs’)