installing rfid

 * 1, update the new netserial program to client terminal computer
 * 2, r net serial as follow
 * for linux
 * netserial [port] [serial device] sen_rfid
 * for win32
 * netserial [port] [serial device] 9600,n,8,1,n sen_rfid (for Neeto use port com3 - sendor in the middle of the unit))(last n - is not typo)
 * 3, set up printer to refer to the port on the terminal computer
 * 4, run teaad page 3 rfid port set to the printer
 * 5, update new sieat and smaad
 * 6, smaad F8 can use to write sman code to rfid device
 * 7, sieat can scan rfid when ask for operator
a simple way to test rfid use telnet to connect to the port enter

 . r [block number]
to read a block

example

r 04

on success

[block string]\r

will be returned

w [block number] [max 16 char string]

 . w 05  to write
on success 1 will be returned

the smcode is stored in block 04

when netserial has a program connected to it will not accept new connections