Features - Sferalabs SPMB21X User Manual

Features

Strato Pi Base board and server:
✓ 9-28Vdc power supply, with surge and reverse polarity protection, and 1.1A resettable
fuse
✓ up to 3.1A max current to the 5V Raspberry Pi power supply input pins (at 24Vdc)
✓ real time clock with replaceable CR1025 Lithium / Manganese Dioxide back-up battery
✓ standard RS-232 and RS-485 interfaces to the Raspberry Pi serial line, with opto-
isolator and electrostatic discharge protection.
✓ on-board buzzer, connected to a GPIO pin of the Raspberry Pi board, for acoustic
feedback
✓ hardware watchdog implemented in the Strato Pi board, fully independent from the
Raspberry Pi, controlled via the GPIO pins of the Raspberry Pi board
✓ on-board LEDs for power supply and serial line activity
✓ power supply and serial connections on a screw terminal block
Strato Pi Base server only:
✓ pre-assembled and tested Raspberry Pi 3 Model B or B+ with Strato Pi board in a
standard 4 modules DIN rail case
✓ side access to HDMI and 3.5mm jack for audio and composite video
✓ access to all USB ports and Ethernet port (opposite to the power and serial terminal
block)
8 Strato Pi Base User Guide