Meilhaus Electronic RedLab WLS-IFC, Руководство пользователя

Страница: 15 / 16

RedLab WLS-IFC User's Guide Specifications
15
LED configuration
Table 9. LED configuration
Power The RedLab WLS-IFC is connected to a computer or external USB hub
Received Signal Strength Indicator
(RSSI) 3 green LED bar graph. The LEDs will turn on when receiving a wireless
message and stay on for approximately 1 second after the end of the message.
They indicate the amount of fade margin present in an active wireless link. Fade
margin is defined as the difference between the incoming signal strength and the
device's receiver sensitivity.
ƒ 3 LEDs on: Very strong signal (> 30 dB fade margin)
ƒ
2 LEDs on: Strong signal (> 20 dB fade margin)
ƒ 1 LED on: Moderate signal (> 10 dB fade margin)
ƒ
0 LEDs on: Weak signal (< 10 dB fade margin)
USB activity Green LED – indicates activity over the USB connection
Transmit Yellow LED – indicates transmitting data over the wireless link
Receive Red LED – indicates receiving data over the wireless link
Power
Received
Signal
Strength
Indicator
USB
Transmit
Receive