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Do you want to use fireproof mud for fire in the electrical cabinet? Is there any national standard?

Ceiling on the wire after the tube is the tube on how to fix it on the ceiling?

Answer:

What do you think of your problem? About to talk about the voice switch → 110 patch panel → 110 module lower → 110 module upper → voice patch panel (cabinet) → station module → phone your voice line refers to what is into the line it? Generally 110 patch panel out of the voice line is directly the extension number that is already from the switch out of the . if it is into the line, then hit the rj11 crystal head directly connected to the voice switch (normally do not play 110) The If you hit the 110 on the 110 in the upper layer to play a pair of telephone lines connected to the voice switch. (But the entry line is generally more than four, or 30B + D, are in the switch) . if it is 110 out of the general say that this is the voice switch out of the line directly to the phone can be (if Is the room was so, then we should receive 24 voice patch panels, as to which is inserted, it depends on your panel on the panel number) is your main problem is not very clear. that's it!
Refers to the cross-sectional area of the copper conductor (copper core)
This way to tell you, program-controlled switches is stored in the process of controlling the machine, the service provider's cable to the engine room, through the light cat to light signal into a voice signal, the voice signal access control switch trunk, program-controlled switches specifications are not the same, The number of lines of the trunk is not the same; program-controlled switches are not the same number of inside, the inside received you said the end of the 110 patch panel, patch panel connected to the other end of the client (landline) on it. Specific program-controlled switch configuration, playing local, long distance, inside, and so on, but also depends on your switch model, the proposed reference manual. hope this helps!

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