H31-341 Exam Question 76
The setting of alarm reversal is based on:
H31-341 Exam Question 77
Customer Example 1+1 protect when using different routes, the same wavelength cannot be used for the working wavelength and the guard wavelength.
H31-341 Exam Question 78
Which step is more when the the single board replacement operation of main control board single configuration than main control board double configuration?
H31-341 Exam Question 79
The troubleshooting methods that can be used to separate external faults are:
H31-341 Exam Question 80
The E&M signal defines the type of connection between a relay device and a signaling unit. Which of the following belongs to the relay device?