
6
RS232 Interface
The
VB8
Scanner can communicate with the Host using the RS232 signals
provided on the 25-pin connector. The pins are indicated in Table 1 and in the
following diagram:
It is always advisable to use shielded cables. The overall maximum cable length
must be less than 15 m (49.2 ft).
7
4
5
3
SGND
RTS
CTS
RX
TX
2
Host
SGND
DCD
DTR
TXD
RXD
Earth
Ground
Figure 3 - RS232 Interface connection to Host
WEDGE Interface
The
VB8
Scanner can communicate with the Host in a WEDGE Interface
are indicated in Table 1 and in the following diagram:
20
DATAIN
24
CLKOUT
21
DATAOUT
25
GND
VCC+
13
Host
23
CLKIN
Keyboard
GND
VCC+
CLK
DATA
DATA
CLK
GND
VCC+
Figure 4 - Wedge Interface connection to Host (PC AT) and Keyboard
VB8 25-pin
(Keyboard Emulation) using the signals provided on the 25-pin connector. The pins
VB8 25-pin
Dat
e of
issue
12/
2005
Par
t No.
193603
VB8-305
Installation