Led2; Leds Link And Activity (On Lan Connector) In Modifications E-502-P-Eu; Reset Functions - L-Card ADC Series User Manual

2.3.2. LED2.

The LED2 on the front panel indicates the state of USB interface
LED2 state
Constant red light
Non-periodic short red
light
Constant green light
Variable green light
Yellow orange light
Periodically changing
red-green glow
No lights
Slow periodic red light
after power is on

2.3.3. LEDS Link and Activity (on LAN connector) in modifications E-502-P-EU.

Link LED status
Yellow glow
No glow
Note: in the current manufactured products, the opposite logic of the LINK LED illumination
is possible (this feature is not a malfunction of the E-502). But, in any case, if E-502 is programmed
to operate with USB, Link and Activity LEDs will not glow.
Activity LED status
Green glow
No glow
How to programmatically resolve the Ethernet interface, explained in p.

2.4. RESET functions

The secret reset button is used to reset the ARM controller, after which the E-502 will normally
restart the ARM-controller. For a normal restart, briefly press the RESET button.
Description
There is a USB connection at the Full-Speed (up to 12 Mbit/s)
Data transfer via USB at the Full-Speed (up to 12 Mbit/s)
There is a USB connection at the High-Speed (up to 480 Mbit/s)
Data transfer via USB at the High-Speed (up to 480 Mbit/s)
No USB connection (no cable connected, no drivers installed or the PC
operational system has not found a USB-device E-502)
E-502 is in the service "bootloader" mode, or after holding RESET
button, or in the software update process.
Power is off
SDRAM test error.
If the E-502 got into this state after power-up, this could be either a sign
of E-502 failure or a sign of the heavy external electromagnetic
environment in which the E-502 is located, which led to a malfunction.
Contact the "L-Card" technical support if the E-502 gets into this state
after turning on the power.
Description
Connected to Ethernet
No Ethernet connection
Description
Data transmission via Ethernet
No data transmission via Ethernet
2.8
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