SCL3711
R
EFERENCE
M
ANUAL
18
4.2.
Quick reference data
4.2.1. SCL3711 dimensions
Item
Characteristic
Value
Weight
10.2 Grams
External
dimensions(mm)
65.4(L) x 24(W) x 10 (H)
Cable length
NA
Default color
BLACK Textured Finish
Default logo
SCM logo
SCL3711
Default label
Drawing with dimensions of the SCL3711 and accessories can be found in annex.
4.2.2. LED behavior
The LED behavior of the SCL3711 is given below.
SCL3711 states
LED Indication (GREEN)
After plug-in (no driver loaded)
OFF
Driver successfully loaded
ON
User token arriving in the field
One blink
User token removed from the field
ON, no specific visual indication
Suspend/hibernate/shutdown state
OFF
SCL3711 disabled
OFF
4.2.3. Other data
Parameter
Value/Description
DC characteristics
Low bus powered (SCL3711 draws power from USB bus)
Voltage: 5V
Max Current : 100mA
Suspend current : 260uA
Clock of the device
controller
Max 27.12MHz
RF carrier frequency
13.56 MHz +/- 50 ppm
Modulation
12 to 14 %
Unloaded field strength
1.5 A/m to 2.2 A/m ( Un-modulated RF on reader casing)
USB specification
USB 2.0 FS Devise
