Installation GREYHOUND Switch
Release
01
04/2016
37
1.9.2 USB interface
The USB interface allows you to connect the AutoConfiguration Adapter
ACA22 storage medium. This is used for saving/loading the configuration
data and diagnostic information, and for loading the software.
See “Accessories” on page 71.
On the front of the device there is an LED display that informs you about the
status of the interface.
The USB interface has the following properties:
Supplies current of max. 500 mA
Voltage not potential-separated
Connectors: type A
Supports the USB master mode
Supports USB 2.0
Figure Pin Operation
1 VCC (VBus)
2 − Data
3 + Data
4 Ground (GND)
Table 3: Pin assignment of the USB interface
GRS1142
GRS1042
1
2
4
3
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