Please complete the system that, from the beginning of the Group to buy a telephone exchange to how to make a telephone line, how to connect patch panels, install all the extension and the normal extension of each other and playing outside, to make people can learn to manage the company group phone , Answering a good score is not a problem more
All the premeditated In addition to the flower wall to occupy the advantages of the backdrop I am close to the pose, my hand quietly on the knee, a finger lift, usually often on the camera - a posture before the speech, in the first word Before I made this photo I made no pity to pose, there are
Are almost a little cable to save money buried in the ground is also easy to see some of the time is more time
Yes, two use. One at the center of the room, OLT equipment, one end connected with the telecom operators room equipment, one end and the user's home set-top box connected); a home in the user's set-top box (that is, home installed fiber optic cable ONU) Optical is a Fan does not refer to what kind of specific equipment, its full name is the photoelectric signal converter, as long as it is used for optical signals and electrical signals can be referred to as optical switch. Specific to the application of different and divided into different optical, such as video Guangduan Ji, CATV Guangduan Ji, PDH / SDH Guangduan Ji, and so on.
