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1.3 Connection via the Serial (RS-232) Interface
Connectors and Signal Names
9-pin to 25-pin Adapter and Signal Names
Signal Direction
IM 703155-17E
When you connect the VB8300 to a PC, you must set the VB8300 so that the
handshaking method, baud rate, data format, and other parameters match those on the
PC.
For details on the settings, see the following pages. In addition, use an interface cable
that meets the specifications of the VB8300.
1
6
2
7
3
8
4
9
5
DELC-J9PAF-13L6 or equivalent
2 RD(Received Data):
Received data from the PC.
Signal direction ..... input
3 SD(Send Data):
Transmitted data to the PC.
Signal direction ..... output
5 SG(Signal Ground):
Signal ground.
7 RS(Request to Send): Handshaking used to receive data from the PC.
Signal direction ..... output
8 CS(Clear to Send):
Handshaking used to send data to the PC.
Signal direction ..... input
* Pins 1, 4, 6, and 9 are not used.
3
2
7
8
5
(2)
(3) (4)
(5)
(7)
The numbers inside the parentheses are pin numbers for the 25-pin connector.
The following figure shows the direction of the signals used by the serial (RS-232)
interface of the VB8300.
RS [Request to send ... Ready to receive]
CS [Clear to send ... Ready]
PC
SD [Transmitted data]
RD [Received data]
1.3 Connection via the Serial (RS-232) Interface
1
7
8
VB8300
3
2
1-3
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