Operation
16 A01681_03_X00_04 HBM: public K148
Voltage supply
The K148 can be powered in different ways:
Connector
USB power supply
(included in scope of
supply)
Front panel keyboard con
trol (stand‐alone operation)
Without data exchange
Power supply with USB
cable
LED1 LED2
Power supply via USB port
on PC
With/Without data
exchange
Current required when
USB port connected:
140 mA
PC connector
External 12 V power supply
(not included in scope of
supply)
Input: 100 - 250 VAC;
Output min. 200 mA
Control LED 1 yellow: Voltage supply OK
Control LED 2 green: USB link to the PC active
Important
If a USB power supply and an external power supply are connected, the exter
nal power supply has priority..
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