ACR38U-I1 – Technical Specifications
info@acs.com.hk
Version 1.11
www.acs.com.hk
Page 7 of 8
5.0. Technical Specifications
Physical Characteristics
Dimensions .................................... 72.2 mm (L) × 69.0 mm (W) × 14.5 mm (H)
Weight ............................................ 65 g (± 5 g allowance for cable)
Color .............................................. White
USB Host Interface
Protocol .......................................... USB CCID
Type ............................................... Four Lines: +5 V, GND, D+ and D-
Connector Type .............................. Standard Type A
Power Source................................. From USB port
Speed ............................................. USB Full Speed (12 Mbps)
Supply Voltage ............................... 5 V
Cable length ................................... 1.5 m fixed cable
Contact Smart Card Interface
Number of Slots ............................. 1 Full-sized Card Slot
Standard ........................................ ISO 7816 Parts 1-3, Class A, B, C (5 V, 3 V, 1.8 V)
Protocol .......................................... T=0; T=1; Memory Card Support
Supply Current ............................... Max. 50 mA
Smart Card Read/Write Speed ....... 9.6 Kbps - 344 Kbps
Short Circuit Protection ................. (+5) V/GND on all pins
Clock Frequency ............................ 4.0 MHz
Card Connector Type ..................... ICC Slot 1: Contact
Card Insertion Cycles ..................... Min. 100,000
Built-in Peripheral
LED ................................................ Green
Application Programming Interface
PC-linked Mode .............................. PC/SC
....................................................... CT-API (through wrapper on top of PC/SC)
Operating Conditions
Temperature .................................. 0
C - 50
C
Humidity ......................................... Max. 90% (non-condensing)
MTBF ............................................. 500,000 hrs
