ITRF24501 Reader Quick Start Guide
3
Host Communication
Host communication comes through the 9-pin female D-sub
connector. Both RS-232 and RS-422 standards are supported as
ordered from the factory or service center.
Table 1-1
RS-232 Connections
Pin Number Definition
2
Serial Data from the Fixed Reader to the host
3
Serial Data to the Fixed Reader from the host
5
Ground
7
CTS (Clear to Send) to the Fixed Reader from the
host
8
RTS (Request to Send) from the Fixed Reader to the
host
Table 1-2
RS-422 Connections
Pin Number Definition
1
Serial Data Out + from the Fixed Reader to the host
4
Serial Data Out -- from the Fixed Reader to the host
5
Ground
6
Serial Data In + to the Fixed Reader from the host
9
Serial Data In -- to the Fixed Reader from the host
The default baud rate is 115.2 kbps with 8 data bits, no parity
and 1 stop bit.