Before replacing a U1900 board, you need to wear grounded electrostatic discharge (ESD) wrist strap to prevent electric circuits from being damaged by ESD. Then, you can directly touch the electric circuits in the board when replacing the board.
Which of the following statements are CORRECT about the narrowband trunk? (Multiple Choice)
When an eSpace IP phone is deployed with a PC, the network port of the eSpace IP phone must be connected to the switch independently.
Which of the following statements are CORRECT about configuring the clock for a PRA trunk on U1900?
(Multiple Choice)