User's Manual

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2.2 WL-C2400 Connectors & LED indication
Fig 3. LED indication
 PWR
PWR LED turns on when WL-C2400 input voltage (+5 VDC) is applied
 TX LED
TX LED is ready and blinks repeatedly to indicate data transmission status.
 RX LED
RX LED is ready and blinks repeatedly to indicate data transmission status.
MODE Unit Type
LED Status
PWR TX RX
COMMAND ALL ON OFF OFF
DATA
RX ON
Blinking : Transmission
state
ON : Ready state
Blinking : Reception
state
TX ON
ON : Ready state
Blinking : Transmission
state
Blinking : Reception
state
Table 1. LED Operation