User's Guide

LEDstatus light descriptions
The front panel of the SM-SDR-2400 has a number of LEDindicators. The following tables explain the
meaning of each light, according to which radio mode is in use.
MIMO 4x4 mode
Light Description
Green, blinking @ 15 Hz (all ports) Active T/R
Green, scanning all ports left to right @ 4 Hz Scan mode
Orange, solid (all ports) Initialization (1s maximum)
Orange, blinking @ 4 Hz (all ports) PA disabled (test mode)
MIMO 2x2, all modes (dual, 1/2, or 3/4)
Light Description
Green, solid
May mean either:
l Initialization (all ports indicated, 1s maximum)
l Indicated ports (1-2, 3-4, or all) ready but no active T/R
Green, blinking @ 15 Hz Active T/Ron the indicated antenna ports (1-2, 3-4, or all)
Orange, blinking @ 4 Hz PAdisabled (test mode) on the indicated antenna ports
Orange, scanning all ports left to right @ 4 Hz Scan mode
Off Indicated antennas (1-2 or 3-4) not in use in selected mode
Power (all MIMO 2x2 and 4x4 modes)
PWR Light Description
Green Power on
Off No power
Tip: The term initialization means a driver is programming the time slot table and
related registers. The process is very short, and the user should not see LED stay at
initialization state for more than a second.
14 | LEDstatus light descriptions