UPS uninterruptible power supply behind the two network cable socket is what is the use?
Please tell me how to use and install.
Then the Internet has a network function can be achieved remote monitoring data function has specialized software.
I came to tell you, that is called the network cable surge filter, is filtered through the network of high-voltage current, protection routers, switches and other equipment. The specific use of a line for the middle of a cut line, marked with crystal head, one into a.
That is "network / FAX / MODEM surge protection socket".
Used to filter through the network of high-voltage current, protection routers, switches and other network equipment.
Marked as "into" the socket connected to the external network cable; marked as "out" of the plug connected to the internal network cable.
