User's Manual

Electrical power/signal interface:

Header assignment: 24-pin 2-row Samtec part MTMM-112-05-L-D-159

GPIO :23 24: GPIO

GPIO :21 22: GPIO

Sig GND :19 20: Baud Clk

Diag RX :17 18: Diag TX

Data RTS :15 16: Data CTS

Data RX :13 14: Data DCD

Data TX :11 12: RSSI (option)

Data DTR :9 10: Power GND

Power IN :7 8: DNC

DNC :5 6: GPIO_HS

DNC :3 4: DNC

DNC :1 2: DNC

Note: rows are reversed compared to standard nomenclature.

This means that when a 24 pin connector is used

to attach a ribbon cable, the pins will be staggered

in a non-conventional way.

RF Shield

23 24

21 22

…

3 4

1 2

Header Pin Assignments

Radio

Ribbon Pin Out

…