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Hardware Thread, Connect Printer with RJ45 Splitter in Technical; I need to add a printer into an office but no only 1 port available. If I get 2 rj45 ...
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    fiza's Avatar
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    Connect Printer with RJ45 Splitter

    I need to add a printer into an office but no only 1 port available. If I get 2 rj45 splitters - one at the switch end and one this end to connect the printer and a PC will that work?
    i thought it would but I dont get an activity light on the printer when I connect the cable. If I connect 2 computers in the same way it works.

    Should this work or not?


    The printer is a HP 1606DN

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    localzuk's Avatar
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    Should work, but it really depends on a) the device, b) the speed at which the printer is trying to connect and c) a bit of luck in my experience.

    Also, what type of splitter is it? Some of them are a bit odd - we had some which were 'data/phone' split and they didn't match up in pairs!

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    Timeout's Avatar
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    You are best getting a small 5 or 8 port switch for about 25 to 30 , my experience of splitters is they fail to work well at all.

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    localzuk's Avatar
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    Quote Originally Posted by Timeout View Post
    You are best getting a small 5 or 8 port switch for about 25 to 30 , my experience of splitters is they fail to work well at all.
    I don't agree completely with this - cheap small switches have been the downfall of many a network when they inevitably go doolally and start spewing nonsense across the network. It happened here and I remember others on this site saying it had happened to them. If you can find a good quality small switch, then that might be a good option though.

    A splitter, while crude, is an effective tool. However, the best solution is to get a new cable run installed. We have splitters in use in about 10 places around this site, and never have an issue with them. For a cost of about 10 per pair, that isn't bad. Compared to 50+ per cable run.

    However, nothing 'critical' is on them.

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    hardtailstar's Avatar
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    Timeout's Avatar
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    I agree that a new cable run is always the way to go if there is budget to do it and you have switch capacity to do so.

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    localzuk's Avatar
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    Quote Originally Posted by hardtailstar View Post
    I've used this one before, has been good. Its the no-name ones you should avoid (you know the ones; they have manuals in Engrish).

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    fiza's Avatar
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    Quote Originally Posted by Timeout View Post
    You are best getting a small 5 or 8 port switch for about 25 to 30 , my experience of splitters is they fail to work well at all.
    Dont really want to add any unmanaged switches to the network.

    Quote Originally Posted by localzuk View Post
    Also, what type of splitter is it?
    Its this one Rj45 Economiser Cat5e Splitter :: Data Comms Direct Ltd - First in Network Infrastructure

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    SYSMAN_MK's Avatar
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    Or you can do what the installers did at one school I used to support and just split the cable and fit a double face plate. Who needed Gigabit anyway!

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    localzuk's Avatar
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    Those are the same as the ones we've been using lately. Got a phone and a printer plugged into one in the room next door.

    Is the printer set to use a specific connection speed/duplex?

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    fiza's Avatar
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    Quote Originally Posted by SYSMAN_MK View Post
    Or you can do what the installers did at one school I used to support and just split the cable and fit a double face plate. Who needed Gigabit anyway!
    Quote Originally Posted by localzuk View Post
    Those are the same as the ones we've been using lately. Got a phone and a printer plugged into one in the room next door.

    Is the printer set to use a specific connection speed/duplex?
    Will the fact that the printer is running at 100Mbit and the PC at 1000Mbit make a difference? As I said if I connect 2 PCs then they both work.

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    hallb15's Avatar
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    Just to confirm, does the printer work if you connect it on its own, without a splitter at either end?

    Double check your cables - you may have inadvertantly used a crossover cable which the PC/Switch can handle but the printer can't.
    Last edited by hallb15; 6th December 2013 at 02:19 PM.

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    localzuk's Avatar
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    Quote Originally Posted by fiza View Post
    Will the fact that the printer is running at 100Mbit and the PC at 1000Mbit make a difference? As I said if I connect 2 PCs then they both work.
    They should all auto-negotiate down to 100Mbps. For 1Gb, it needs all 8 wires, so even with 2 PCs plugged in, they should work at 100Mbps.

  14. Thanks to localzuk from:

    fiza (6th December 2013)

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    fiza's Avatar
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    Quote Originally Posted by localzuk View Post
    They should all auto-negotiate down to 100Mbps. For 1Gb, it needs all 8 wires, so even with 2 PCs plugged in, they should work at 100Mbps.
    OK thanks. Will try again once all the ofsted shenanigans is over.

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    FN-GM's Avatar
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    Quote Originally Posted by localzuk View Post
    They should all auto-negotiate down to 100Mbps. For 1Gb, it needs all 8 wires, so even with 2 PCs plugged in, they should work at 100Mbps.
    Hi @fiza the advice from localzuk is sound but with some switches i have found take a while to automatically sort themselves out. Meanwhile if you have a startup script or a GPO MSI deployed it will miss running them. To avoid this I would force 100mbs on the switchport. If it is a Cisco switch the command you would use is "speed 100".

    Thanks
    Last edited by FN-GM; 6th December 2013 at 02:42 PM.

  17. Thanks to FN-GM from:

    fiza (6th December 2013)

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