Digi Hubport/PCI+ Benutzerhandbuch

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USB Plus Series Installation Guide (90000410 Rev. C) – Page 1 
USB Plus Series 
The USB Plus Series of products are fully compliant with standard USB ports. The PlusPower ports allow for the 
attachment of USB devices that draw more than 500 mA, which is the maximum power provided by standard USB 
ports. This additional power enables USB PlusPower peripherals to function properly without requiring their own 
individual power supplies. These ports also have a cable locking mechanism to ensure a secure connection to 
downstream PlusPower peripherals.  
Edgeport
®
/42+ 
The Edgeport/42+ offers four PlusPower USB ports and two RS-232 serial DB-9 ports, allowing for the connection 
of PlusPower USB, standard USB, and legacy serial devices in a single box. USB Port 1 supplies 24 VDC, and Ports 
2 through 4 supply 12 VDC
 
(in addition to the standard 5 VDC available in all of the PlusPower ports as shown in 
figure 1 below).  
 
Cabling the Edgeport/42+ 
Note that Windows NT 4.0 users must install the drivers before connecting their Edgeport/42+. The Edgeport/42+ 
operates as a self-powered hub, requiring a power supply to function. For more information about hubs, see the 
“Understanding Hubs” section on page 13. 
 
1) Connect one end of the power supply* into the back of the Edgeport/42+ and the other end into an AC outlet. 
2a) To connect your Edgeport/42+ to a PC, plug the type A end of a standard USB cable into one of the PC’s USB 
ports and the Type B end into the back of the Edgeport/42+. 
2b) To connect a standard USB device to the Edgeport/42+, plug the Type A end of the USB cable into the lower 
section of one of the Edgeport/42+ USB PlusPower slots and the Type B end of the USB cable into the peripheral.  
2c) To connect a PlusPower USB device to your Edgeport/42+, plug the type A end of the USB PlusPower cable 
into one of the Edgeport/42+ USB PlusPower slots (ensuring that the voltage key on the cable matches the voltage 
key of the port) and the other end into the peripheral.  
*Power for the Edgeport/42+ may be supplied by a UL Listed “Class 2” power supply or Information Technology 
Equipment power supply, rated 24 V dc, and not exceeding 4.0 A.
 
24 VDC key 
12 VDC key 
Standard 5 VDC 
Type A USB Port 
Figure 1: USB PlusPower Port Diagrams 
USB PlusPower 
Type A Connector 
Standard USB 
Type A Connector 
Standard USB  
Type B Connector 
Figure 2: USB Connectors 
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