Installation Manual

Cryptera A/S SV/INT3520-2000-10 rev.B Page 17 of 22
Installation Manual
6 Electrical Integration
6.1 Overview of Connectors
The NFC Reader has two active connectors on the back:
Figure 11 – Back-side view w/ active connectors highlighted
The details related to these connectors are found in the following subsections.
The remaining connectors found on the NFC Reader are not active and must be left as-is,
i.e. not connected.
6.2 USB Device Connector
To minimize the voltage drop from the USB Host to the device, it is recommended to use
a short and low-ohmic USB cable.
The USB cable must be a USB 2.0 approved cable.
Marking: USB B
Pin-Out
1
V
BUS
(5 V)
2
Data÷
3
Data+
4
ID [Not used]
5
GND
Function
Connector Type
Matching Plug(s)
USB communication
USB bus-power (5 units)
Type-B Mini receptacle
Type-B Mini plug
USB Device
GND Connector
(optional)