Document Version 1.0
Last revised on
2018-‐10-‐22
Page 18 of 79
Reference Manual for uTrust 5501 F Reader/Writer Module
4.2.
Quick Reference Data
4.2.1.
LED Behavior
uTrust 5501 F is equipped with four LEDs. Its current behavior with latest firmware is described in the
table below. LED 4 is not implemented in the firmware at this time.
Reader States
LED 1 –
Dual
GREEN
LED 2 –
Dual
RED
LED 3 –
Smart Card
GREEN
Remarks
Just after plug-‐in
ON
ON
OFF
During DFU operation
OFF
OFF
OFF
Just after DFU operation
ON
ON
OFF
PC sleep/standby
OFF
OFF
OFF
Reader powered, contact
card IN, but not powered
ON
ON
ON-OFF
LED 3 will be ON for 10
seconds, then time-out occurs,
and LED will turn OFF
Reader powered,
contactless card IN, but not
powered
ON
ON
OFF
Contact card
powered/communication
ON
ON
500
msec
ON/500 msec
OFF
Blinks ON and OFF for 500
milliseconds
Contactless card
powered/communication
ON
ON
OFF
LED 1/LED 2 stays ON but does
not blink
Reader/card errors
ON
ON
100
msec
ON/100 msec
OFF
Only LED 3 will blink rapidly
when contact card error occurs
or card was inserted in reverse
Combi card powered in
contact slot
ON
ON
500
msec
ON/500 msec
OFF
Combi card powered using
RF field
ON
ON
OFF
4.2.2.
Other Data
4.2.2.1.
General
Parameter
Value/Description
Clock of the device controller
8 MHz
API
PC/SC 2.0
Operating temperature range
0º to 50ºC
Operating humidity range
Up to 90 %, RH non-‐condensing
Certifications and compliances
CE, FCC part 15 Subpart C, certified as module, RoHS2,
REACH, and WEEE
