Not all USB devices are recognized.
The operating system does not support all USB devices. Devices that
require a special USB driver, which is not integrated in the system,
cannot be operated at the USB interfaces.
9.5 Ethernet Interface X5
A 10/100Base-T Ethernet interface is provided at the operating device.
Use a twisted-pair cable of category 5 or 6 (CAT 5 or 6). The max.
cable length is 100 m.
Ethernet interface – Status and diagnostic displays
LED ACT/LNK (green)
● On: Connection to network is available
● Off: No connection
● Flashing: Communication is running
LED SPD 10/100 (yellow)
● On: 100 MBit/s mode
● Off: 10 MBit/s mode or connection disconnected
9.6 Slot for SD Memory Card
An SD card can be inserted at the bottom of the operating device.
When using hardware not intended for industrial use (e.g. keyboard,
mouse, memory card) in an industrial environment, the operational
safety is limited. Hardware intended for home or office use is also
part of the devices not intended for industrial use.
Inserting the memory card
Insert the memory card with the front facing the top. Insert the card until the
memory card engages.
Fig. 9-3:
Inserting the memory card
Bosch Rexroth AG
Interfaces
VR 21
12/29
DOK-SUPPL*-VR21**.01**-IT02-EN-P
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