BECKHOFF CU8850-0000 - Manual (Page 6)

Product Description
Power supply
Additional 24 V
DC
power supply Normally the USB-Extender-Rx CU8850 is
powered via the USB-extension. The device
can also be powered by an additional power
supply (X10).
If a USB device needs more than the specified
max. of 300mA, the additional power supply
must be connected.
The pins have to be connected as shown on
the front panel of the CU8850-device.
Power Supply
UL requirements
For the compliance of the UL requirements the USB-Extender-Rx
should only be supplied
• by a 24 V
DC
supply voltage, supplied by an isolating source and
protected by means of a fuse (in accordance with UL248), rated
maximum 4 Amp.
• by a 24 V
DC
power source, that has to satisfy NEC class 2.
A class 2 power supply shall not be connected in series or
parallel with another (class 2) power source!
Danger
To meet the UL requirements, the USB hub CU8800-0000 must not be
connected to unlimited power sources!
Data Connectors
The CU8850 has two kinds of connectors: RJ45 and USB type A. The
pin layouts are described below.
RJ 45 Port (X20) (standard CAT5-cable)
RJ 45 Port
Pin Signal Belegung
1 15 V 15 V +
2 GND GND
3 TX
USB TX
4 RX USB RX
5 RX USB RX
6 TX USB TX
7 15 V 15 V +
8 GND GND
USB Typ A Port (X30) (standard-cable)
USB Typ A Port Pin Signal
1 VCC
2 Data
-
3 Data +
4 GND
Shield Shield
Pin 1
Pin 8
X20
4
3
2
1
Shield
X30
4 CU8850-0000