Connecting the bl-n9r to the computer, Connecting the bl-n9r to the computer -9, Rs-232c pin configuration of the bl-n9r – KEYENCE BL-N90 Series User Manual
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2-3 Connecting the Communication Unit
2-9
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Connecting the BL-N9R to the Computer
A communication unit with an RS-232C interface may be used in conjunction with an RS-
232C enabled device. This section explains procedures for connecting the barcode reader
to a computer, as well as connecting the barcode reader to an Auto IDdata controller DV-90
(
Procedure
1
Turn on your computer.
2
Connect the communication unit's interface cable to the RS-232C port on your computer.
3
Connect the power cable to an AC outlet, and turn on the communication unit.
The blue LED on the communication unit will flash.
z
RS-232C pin configuration of the BL-N9R
CAUTION
•
Be sure to use the AC adapter provided with the device. Using another power
source may cause fire, electrical shock, or damage to the equipment.
BL-N9R
RS-232C
To computer
(D-sub 9-pin)
Pin No.
Symbol
Description
Signal direction
2
SD (TXD)
Sends data
Output
3
RD (RXD)
Receives data
Input
4
–
Do not make any connection
–
5
SG
Signal ground
–
6
–
Do not make any connection
–
7
CS (CTS)
Send OK
Input
8
RS (RTS)
Send request
Output
D-sub 9-pin (female)
#4-40 screws