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The image below shows the default jumpers placement for the low speed signals.
Figure 2: Default Board Configuration
3.5
LED Indicators
The ML4062-MCB-LPBK includes on-board LEDs, for quick debugging and monitoring purposes.
LEDs are summarized below:
LED D11 for Ethernet operation.
LED D3 indicated whether a USB cable is connected or not
LEDs D2 and D4, colored green and red, respectively, are used for diagnostic purposes:
If D2 is on: USB is locked and device is recognized by the USB driver
If D4 is on: USB is not connected or USB driver is not found
If both are off: board is not powered correctly or firmware is corrupted
If both are blinking: the board is in Bootloader mode
Low speed signals monitoring LEDs for both modules are summarized below:
LED D8/D9: LPMODE_A/_B signal
LED D19/D24: RESET_L_A/_B signal
LED D16/D17: INT_L_A/_B signal
LED D18/D22: MODPRS_L_A/_B
LED D21/D23: MODSEL_L_A/_B
Figure 3: On-board LEDs
