User's Manual

Development Board LEDs
28  Digi Connect Wi-EM 9210 Hardware Reference
Development Board LEDs
The development board contains 21 LEDs labeled CR1 through CR21. The following table
lists and describes the LEDs.
LED Descriptions
Board
Label
Description Color or State Indication
CR1 TXD-2
Flickering Serial activity
Green Inactive
CR2 RXD-2
Flickering Serial activity
Green Inactive
CR3 CTS
Yellow Active
Green Inactive
Off
Not connected or signal
not being driven
CR4 DTR
Yellow Active
Green Inactive
Off
Not connected or signal
not being driven
CR5 TXD-1
Flickering Serial activity
Green Inactive
CR6 RXD-1
Flickering Serial activity
Green Inactive
CR7 RTS
Yellow Active
Green Inactive
Off
Not connected or signal
not being driven