
2. Setup
12
COM-4CN-USB
Component Functions
LED indecator
LED
Meaning
Status
POWER (Green) Power status
OFF: Power has not been supplied.
ON: Power has been supplied.
RxD (Yellow)
Reception status
OFF: It indicates receiving data by the RS-
232C in standby
ON: It indicates receiving data by the RS-
232C.
TxD (Green)
Transmission status
OFF: It indicates sending by the RS-232C in
standby.
ON: It indicates sending data by the RS-
232C.
Connecting the Product
(1) Turn on the power to the PC before connecting this product.
(2) Sandwich the supplied USB cable with the USB cable attachment and connect to the product. This
makes the cable hard to disconnect.
Figure 2.2. Connecting the Product
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The USB cable attachment cannot be used excluding an attached cable.
-
When the USB cable attachment is being used, do not perform removing and connecting the USB
cable on the product side repeatedly. This may damage the USB cable attachment or yourself.
CAUTION