System information

17-Nov-2014 G2T Programmers Guide Rev-A
73
8.4. C3-001 CPU LEDs
The C3-001 CPU has many LED indicators that provide the
following information to the operator:
C
3
S/N & MAC
10/100
ERR
PRG
SF
RST
Tx
MODE
Rx
LED
Color
Description
PRG RED Programming LED. On when the CPU is in Programming Mode.
SF GREEN Flashes to indicate that data is being written to serial flash.
GREEN Flashes to indicate that data is being written to the microSD card
ERR RED On to indicate an execution error or fault condition within the system.
10/100 GREEN Data Transmit: Blinks when transmitting data over Ethernet.
10/100 YELLOW Packet Detect: Solid yellow when packets are detected on the network.
Rx GREEN Flashes to indicate data is being received over the DB-9 serial port.
Tx YELLOW Flashes to indicate data is being transmitted over the DB-9 serial port.
MODE GREEN
Indicates the current control mode of the DB-9 Serial Port:
OFF
RS-232C
ON
RS-485
Blinking
RS-422A