Rear Panel
5. HF/VHF input SMA connector. This is the RF input connector for 0.009 - 56 MHz.
6. Trigger/1PPS input. This connector is used to trigger IQ captures or tag the IQ stream (TBD). Max
level is 3.3V LVTTL/LVCMOS.
7. VHF/UHF input SMA connector. This is the high frequency RF input connector for 56 - 1002+ MHz.
8. Bidirectional RS-232 3.5mm control jack. This port is used for debug and external radio control.
Connection diagram shows wiring used to connect to PC. Switch pins 2/3 to connect to a radio or
use a null modem adapter.
9. 100 Base-T Ethernet connection. Connects to PC or router for IQ mode. Connects to WAN or router
for Cloud mode.
10. Reference input connector. This input is used to frequency lock the CloudSDR to 10 MHz. +1V max.
11. Power input. 4.5V - 5.0V input. Do not exceed 5.5 Volts or radio will power off.
Dec 2020
RFSPACE, Inc.
CloudSDR User’s Guide 8
