all buffers, reverting to all default settings per jumpers at P3 and P4, setting the access
key to its default value FFFF, enabling all Readers, and issuing the power up message.
Any previously reported Tags that are still in Reader Antenna range will be reported
again.
3.6 INTERFACE RESPONSES
3.6.1 TAG DATA
RFID, Inc. Tags can be programmed with 8 or 16 characters, but 16 characters is used herein:
A Tag will report as <LF># xxxxxxxxxxxxxxxx<CR> where the # symbol represents the Reader
address where the Tag was detected, followed by an ASCII space.
In the case of an 8 character Interface Model 2022/8, Tags may only be programmed with the ASCII
representations of 0-9 A-D.
In the case of a 16 character Interface Model 2022, Tags may be programmed with the ASCII
representations detailed in the Valid Tag Character Set table below, also listing hex value.
@ 40 0 30 A 41 P 50
! 21 1 31 B 42 Q 51
“ 22 2 32 C 43 R 52
# 23 3 33 D 44 S 53
$ 24 4 34 E 45 T 54
% 25 5 35 F 46 U 55
& 26 6 36 G 47 V 56
‘ 27 7 37 H 48 W 57
( 28 8 38 I 49 X 58
) 29 9 39 J 4A Y 59
* 2A : 3A K 4B Z 5A
+ 2B ; 3B L 4C [ 5B
, 2C < 3C M 4D \ 5C
- 2D = 3D N 4E ] 5D
. 2E > 3E O 4F ^ 5E
/ 2F ? 3F
3.6.2 ERROR MESSAGES
In addition to the Power up message, Self-test results, and Tag data previously discussed, the Interface
also generates the following messages:
r - Repeat Last Transmission
? - Invalid Command
e - Empty Buffer
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