Handshaking; Figure 9: No Handshaking; Figure 10: Busy/Ready Communication - Opticon NLV 2001 Specification Manual

Handshaking

8.1.6.
Select handshaking options using the menu or command listed below.
Handshaking
No handshake
BUSY/READY
MODEM
ACK/NAK
ACK/NAK NO RESPONSE
a) No Handshaking
The scanner attempts the communication regardless of the state of the host
computer.
b) BUSY/READY
The scanner and the host computer notify each other of their state and
whether they can receive data with BUSY/READY through an RTS line. They
can communicate state to each other through a CTS line when connected as
in the following figure.
Menu/Command
P0
P1
P2
P3
P4

Figure 9: No handshaking

Figure 10: Busy/Ready communication

17
Opticon
NLV 2001
Specifications Manual