Custom Audio Electronics VKP80II-EE, User Manual

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1 6
SERIAL INTERFACE
Female RJ11 connector
J3
1 +5VF
2 GND
3 RX1 During reception, oscillates between “0” and “1” depending on data
4 TX1 During transmission, oscillates between “0” and “1” depending on data
5 RT1
6 DT1
Note : Given the presence of the RS232 standard, logic value “0” corresponds to a voltage level of b3 Vdc
and +15 Vdc and logic value “1” corresponds to a voltage level of between -3 Vdc and -15 Vdc.
Note :
VKP80II-EE > PC connection
The following pictures show an example of connections between the printer and a personal computer using a 9
pin female serial connector:
DEVICE PC
TXD
GND
RXD
RTS
DTR
DB9
1
2
3
4
5
6
7
8
9
RJ1
1
1
2
3
4
5
6
Note : When use a serial cable, we recommend the installation of a ferrite core on the serial cable.
3. INSTALLATION
22 VKP80II-EE
User Manual