User Manual

Brillian
AI 2000 CIDRW
6
2 Communication protocol
The communication protocol follow the “SEMI Standard E99.
2.1 The way of Communication
Useing RS232
communication protocol ， the Host computer can
communicate with CIDRW, Reader.
Wiring:
PC
→
CIDRW (DB9)
→
CIDRW (RJ45)
2(RXD)
→
2(TXD)
→
5(TXD)
3(TXD)
→
3(RXD)
→
6(RXD)
5(GND)
→
5 (GND)
→
4(GND)
2.2 The Communication spec.
Baud Rate :
9600bps.
Data bits:
8
Parity:
none
Stop bit:
1
2.3 Handshake code
When the communication starting the 1
st
code is ENQ form source
equipment to destination equipment for asking destination equipment to
receive SECS function string
Then destination equipment will send the 2
nd
code EOT for ready status.
3th the source equipment start to send Message Block(2.4).
Finally the destination equipment send ACK/Nak to feedback data
record good or bad.
Both side use the same way to exchange their function and data.
Name
HEX
Function
ENQ
0x05
Request to Send
EOT
0x04
Ready to Receive
ACK
0x06
Correct Reception
NAK
0x15
Incorrect Reception