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We embed the DSL modem in the PC system unit

July 2, 2011 Computer DIY / Modding 35 950 17

And so, many owners of ADSL modems encountered a problem when the modem has nowhere to put or it overheats, well, or simply distracts with its flicker. I propose to remove it into the system unit case, of course, you can fix it at the table, but in this case it will be difficult to look at the indicators, if something happens. In the system unit, the modem is cooled by fans, you do not have to pull the wires far, we also completely cancel the power supply.

Let's start, first, consider the modem connectors. I have a D-link DSL model - 2500u

Let's go from bottom to top, gray is a telephone line, a yellow LAN cable (PC connection), and a black power connection.

Next, you need to find a place in the case of the unit, the place under the drive is perfect or as I have above, carefully remove the plugs, they are held on plastic snaps that's what should work. Do not pay attention to holes; these are consequences of unsuccessful modding ...

In order not to pull extra wires, we exclude the power supply, it will perfectly replace the computer PSU. Before replacing, you need to look at the modem's PSU so as not to make a mistake with the voltage and not to burn the modem. On my power supply 5 V and current 1 A it is written like this: Output: 5V 1.0A DC if everything is so, then boldly open the system case and look for such connectors inside

Such a connector connects to hard drives, etc. but on almost any PSU you can find free ones. And so we need a red and black one, which next to it there is just a voltage of 5 V and a current of 1 A can give out even the simplest PSU.

Cut off the wire from the modem BP

And connect to the computer. The wire that with the stripes is +, the other -, respectively, red +, black -

Isolate and you're done. It remains to skip the rest of the wires behind and you're done

The wire of the local network immediately returns to the system unit and as a result, only one wire of the telephone line comes from it.

That's what happened, everything is neat and accessible for review.

Wishing to repeat, good luck

P.S. The author does not bear any responsibility for inaccurate hands and broken equipment. And when you remove the cover of the system unit, you automatically lose the warranty.

come back

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Comments (17)

#1 NOTFRONT Guests July 2, 2011 11:55
0

There you still need to build a small fan!
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#2 feelloff Guests July 2, 2011 14:43
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Yes, the modem is not childishly warming.
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#3 SERJIK Guests July 2, 2011 10:06 p.m.
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convenient but possible
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#4 Veent Guests July 3, 2011 11:07 p.m.
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Well, I don’t know the calculation that there are blowing ventilators, so the intake air will blow the modem. But I think another little one will not hurt
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#5 tutykh Guests August 5, 2011 00:21
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You've just come up with the wheel again! This is the built-in modem!
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#6 Veent Guests August 5, 2011 09:27
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Well, firstly, I just invented a bicycle with a fifth wheel, Well, the trick is that the modem was originally not built-in)) I didn’t notice the built-in ADSL
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#7 Velizar Guests October 23, 2011 22:53
1

It should be added that with this modem turned on, the modem’s probability of failure will increase significantly ... When the modem had its own power supply, there was galvanic isolation from the power supply, when connected in this way there is no isolation (since the computer’s power supply is transformerless), when there will be a thunderstorm, it will simply burn out (shoot inside the input module from the telephone network) .
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#8 Veent Guests October 24, 2011 20:02
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Here you are mistaken, any computer PSU has a transformer (on a ferrite core) and, respectively, an isolation, there is not any contact with the network 220 except through light rays (optocoupler). Everything, as they say, was invented before you.
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#9 Velizar Guests December 13, 2011 20:08
1

From here you are mistaken !!! The computer PSU has an input filter on two capacitors that are connected in series, the connection point of the capacitors is connected to the housing. If the computer is connected to the network without grounding, then the AC voltage ~ 115V hangs on the PC case (take the tester and see for yourself ...)
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#10 Veent Guests December 13, 2011 20:20
1

And what do we get, let's say we have such a voltage on the case and where will it go? There is a denouement and these 115 V will remain on the case with no potential difference. It can go to the ground (One hand for the system unit and the second for the battery) A very unpleasant sensation, nothing else will happen.
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#11 Trismegist Guests May 24, 2012 16:39
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In appearance, there are additions: it was possible that the socket that was put out of the system unit was carefully cut out under the modem and inserted into the socket, it would not work out a hole. Or even disassemble the modem to the socket, attach the platform and drill holes for the indicators, mount the board on it and insert it into the PC.
So that you can disconnect the PC from the phone and the cord does not hang, take the back panel from the old built-in modem and mount the transition through it.
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#12 self-taught Guests June 13, 2012 19:06
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I generally disconnected 110 volts from the case by cutting off the edges of the mass track, leaving only a portion of the series connection of capacitors. the ferrite ring should be taken from the dead b \ n, and wound the bodies \ cable to failure, then install a new rail. this will deprive the modem from breakdown by a thunderstorm, and the quality of communication will improve significantly.
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#13 Lex-4400 Guests January 11, 2013 03:16
1

I have 3 modems changed in a year, as I don’t want to spoil the case.
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#14 e27d3i90 Guests April 13, 2013 10:31
1

The method is good, but:
1. This d-link does not heat up slightly
2. Power it needs 9 volts AC (power supply such)
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#15 Veent Guests April 15, 2013 00:12
1

Quote: e27d3i90
The method is good, but:
1. This d-link does not heat up slightly
2. Power it needs 9 volts AC (power supply such)

But where do you come from? On the power supply that comes bundled in black and white, 5 VOLT 1 AMP DC is written. And all modern power supplies give DC voltage. Had Thomas Edison been here he would have looked at you like ..
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#16 ddd Guests November 11, 2018 23:10
1

This is a game !!! O_O
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#17 Guest Victor Guests April 25, 2019 09:27
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I would tear my hands off for that.
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