User's Manual

B‐FV700‐BLTH‐QM‐R
‐47‐
6.7.3 RS232C
TheRS‐232ContheprinterisDB9female.Ittransmitsdatabitbybitinasynchronous
start‐stopmode.Thefigurebelowshowsitspinout.
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Pin Signal Description
1 +5V Provide5VPower
2 TxD Transmit
3 RxD Receive
4 CTS CleartoSend
5 GND Ground
6 RTS RequesttoSend
7 NC NoConnection
8 RTS RequesttoSend
9 NC NoConnection
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Host(DB9)  Printer(DB9)
Signal Description Pin  Pin Description Signal
CD CarrierDetect 11 Provide5VPower +5V
RxD Receive 2 2 Transmit TxD
TxD Transmit 3 3 Receive RxD
DTR DataTerminalReady 4 4 CleartoSend CTS
GND Ground 5 5 Ground GND
DSR DataSetReady 6 6 RequesttoSend RTS
RTS RequesttoSend 7 7 NoConnection NC
CTS CleartoSend 8
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8 RequesttoSend RTS
CI99 NoConnection NC
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