Chapter 2 Installation
7
You should not connect the USB ISDN TA to a
bus-powered USB hub device, such as keyboard,
because there could be not enough power for the
ISDN TA.
3.
All the LEDs will be lit and, then, extinguished one by
one. Please refer to
Chapter 3 Troubleshooting
if any
LED is not lit or extinguished normally.