CSL CS468 16-Port EPC CLASS 1 GEN 2 RFID READER
USER'S MANUAL, VERSION 2.0.1
Copyright © Convergence Systems Limited, All Rights Reserved
78
7.9
Link Profile (C# and Java Demo App)
Different modulation profile of RFID reader (Interrogator) and the Tag can be selected by the user
for different situation.
User should refer to the document
EPC
Radio-Frequency Identity Protocols Class-1
Generation-2 UHF RFID Protocol for Communications at 860 MHz
–
960 MHz
by EPCglobal
when setting Link Profile.
The default setting is profile 2. It is also the recommended setting for most of the common
applications. In CS468-3 (Japan) and CS468-1 (ETSI) readers, only profiles 0, 2, 3 and 5 are
selectable. (Profile 0 is also not advised for CS468-3 Japanese reader).
Profile
0
1
2
3
4
5
R-T Modulation
DSB-ASK
DSB-ASK
PR-ASK
PR-ASK
DSB-ASK
DSB-ASK
Tari (μs)
25.00
12.5
25.00
25.00
6.25
25.00
R-T speed (kbps)
40
80
40
40
160
40
PIE
2 : 1
2 : 1
1.5 : 1
1.5 : 1
1.5 : 1
1.5 : 1
Pulse Width (uS)
12.50
6.25
12.50
12.50
3.13
12.50
T-R LF (kbps)
40
160
250
300
400
250
T-R Modulation
FM0
Miller-2
Miller-4
Miller-4
FM0
Miller-2
Divide Ratio
8
8
64 / 3
64 / 3
8
64 / 3
T-R Data Rate
(kbps)
40
80
62.5
75
400
125
DSB-ASK
Double-sideband amplitude shift-keying
PR-ASK
Phase-reversal amplitude shift keying
R-T Modulation
Interrogator-to-Tag modulation
T-R Modulation
Tag-to-Interrogator modulation
Tari
Reference time interval for a data-0 in Interrogator-to-Tag signaling. The mnemonic
"Tari" devices from the ISO/IEC 18000-6 (part A) specification, in which Tari is an
abbreviation for Type A Reference Interval.