Connection Sequence Example (Label Mode) - Toshiba B-EP Series Interface Specification

3.2.5

CONNECTION SEQUENCE EXAMPLE (LABEL MODE)

< Normal transmission >
• When one packet is sent.
A link request is transmitted
every 50 msec. if the printer
sends no NAK.
Within 1 sec.
Within 1 sec.
Host
PAD
Command packet
EOT
Printer
A link request is detected.
A link is established.
NAK
Within 40 msec.
Normal reception (CRC OK)
ACK
Within 200 msec.
ACK
ACK for the command process end is
transmitted.
3-12
CHAPTER 3 INTERFACE
B-EP Series
Start of command process
End of data storage or an issue