The cabling tag has no wiki summary.
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3answers
60 views
Cross cable auto route back if NIC is down?
If a cross cable is used to connect from an device to another, say firewall to a web gateway. When the web gateway is down (switched off, but cable still connected), the traffic sent to the web ...
0
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0answers
30 views
How Can I Connect Two Sets of Computers Within My Home Office So There's No Cables On the Floor? [migrated]
I have a group of five computers at one end of my home office and another group of four computers across the same room. All are hardwired on the same internal network. These cannot be consolidate or ...
3
votes
1answer
93 views
External SAS cable or adaptor with 90 degree plug
We have an HP tape autochanger mounted in a rack, but it's so deep that with the external mini-SAS cable plugged in we cannot close the rear rack door - if we did we'd crush the SAS cable well beyond ...
5
votes
2answers
108 views
Cable management strategy for a small chassis switch
I'm working with a small site buildout that contains a single HP ProCurve 4200vl chassis switch. The data cabling contractor did not provision for any cable management. I'm looking at the rack ...
2
votes
1answer
97 views
Rack tool for measuring cabling?
I'm looking for a tool that can be used to measure the length of Cat 6 cables that need to be installed in a comms rack. I won't be making the cables myself.
For example the length of a cable required ...
5
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6answers
366 views
Structured Cabling Server Racks
We have the opportunity next week to rewire five server racks which is currently in a real mess. Each rack currently has a switch installed up top with lots of cables hanging around.
We are thinking ...
3
votes
1answer
64 views
Acquiring location - need cable map/toning/testing done in house…tools needed?
I was going to ask "best approach?" but I figured it would be closed.
I know how to tone/test a cable...but I'm looking for tools, ideas, approaches that will make the following project manageable ...
2
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2answers
150 views
How to decide cross or straight cable
I know that you have to connect same devices with cross cable and differents with straight. Although, that's the common idea, in Cisco Packet Tracer you have to connect a PC and a router with cross ...
2
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1answer
75 views
What is the easiest way to attach sata cables to the backplane of a 1U super micro case?
It seems that the raid controller breakout cable thats designed for the backplane makes its incredibly difficult to cable it. The right angle bend sata cables need to bend down, making it very ...
9
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2answers
279 views
How do I label the network ports in our office?
We have a new office that was punched down with Ethernet in every office and every cubicle. The electrician didn't mark the ports on the patch panel or the wall ports, so I don't know where say port 1 ...
1
vote
3answers
621 views
SFP+ twinax cable compatibility
How compatible are twinax SFP+ cables when used with different hardware vendors' equipment? E.g. are Cisco SFP+ cables fine between an Arista switch and a Solarflare card? How about an Amphenol cable ...
4
votes
3answers
281 views
Moving server room to another part of the building
This question is a bit different than the typical we are moving our server room to an off site location or we are moving the whole office to a new building.
Management wants to add some more office ...
3
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6answers
457 views
Do you really need cable management for a cabinet with just switches and patch panels?
We are about to start wiring out a building expansion and our vendor has laid out the racks in the following configuration:
Option 1
1U Fiber patch panel
2U Cable Manager
2U 48 port Patch Panel
2U ...
16
votes
5answers
968 views
What else do I get with Cat 6 beyond future proofing my wiring?
We are about to put in the wiring in an expansion of our office building and the vendor is proposing we use Cat 6 cabling because it is "faster." Gigabit works fine over Cat 5e which is what our ...
2
votes
3answers
193 views
replacing an ethernet backbone with fibre optic
I live and work in a building that is nearly 20 years old. My Internet connection is in the cellar along with my servers and has a nominal rating of 100 MBit. I have a gigabit switch in the cellar ...
6
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3answers
468 views
How to correctly run cables on servers in a data center?
I've read about a few key points, e.g. run all ethernet cables on the right side, all power on the left side, but if possible I'd like to know what you guys do from experience? For example, how do you ...
3
votes
3answers
120 views
Link mode on unmanaged gigabit switches
I have two RJ45 sockets connected by an inaccessible unknown-category twisted pair cable. I plug two unmanaged gigabit switches into the sockets using Cat6 cables, and they negotiate a 100Mbps link. I ...
0
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2answers
113 views
long retractable utp cables
Maybe this is not a problem for serverfault but maybe someone knows this.
We are planning to go wireless but due to the costs involved we are still using cables in our conference rooms. Does anyone ...
5
votes
2answers
628 views
Best cat6 patch panels? Is price really a factor?
I can go down to my local graybar right now and purchase some AllenTel 48 Port Cat 6 Patch panels I need (part number AT66-PNL-48). They are $275 each. That seems a bit high considering I've seen ...
3
votes
5answers
431 views
Groupings for Network Cable Colors
I noticed a thread Network cable color conventions?
that talked about what types of colors to use for cabling in server rooms and closets. I thought that if there was a general consensus as to the ...
0
votes
3answers
101 views
When I plug in a network patch cable to a test notebook what would cause it to not see the link?
I plugged in my notebook via cat5e patch cable to a terminated jack (we had some consultants do the runs), I get no signal not even an indication that it is connected but has no DHCP. I try another ...
3
votes
3answers
885 views
Network wiring template for Visio
Anyone come across a good template/symbol pack for Visio for doing network wiring, patching, switch topologies, etc.? Everything in Visio for networking is 3D, and isn't really conducive to cabling.
2
votes
1answer
128 views
Roughly cutting Fibre Cables
I recently asked a question about which type of Fibre optic cable to use for my installation. We have now found a cable type and supplier and I'm about to order the cable (OM3, Tight Buffered, 12 ...
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2answers
667 views
Why do cat5 cables sometimes have the fluffy fiber bit in them?
Why do cat5 cables sometimes have the fluffy fiber bit in them?
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0answers
5k views
What’s the best way to label cables in a data center [closed]
Possible Duplicate:
What is the most effective solution you used to label cables?
We're in the midst of planning for a big data center renovation at my office, which is going to result in a ...
4
votes
5answers
791 views
Creating a Network link between 2 buildings
My company needs to create a network link between two buildings.
Currently we have a cat5e network in one building and would like to connect some computers(about 15) in our second building to the ...
4
votes
6answers
318 views
Cabling: What to keep in stock?
I have worked a few different places, each one with a different solution, so I would like to hear your suggestions and ideas.
I am looking at a situation with multiple server-rooms. We have a mixture ...
3
votes
1answer
176 views
Fibre Optic Cabling - Where to start?
I'm a sysadmin/developer that works for a small IT company. We are having a new office building built, and we have a limited time window in which to put in the core infrastructure network cabling that ...
3
votes
2answers
148 views
Resources concerning cabling and wiring
I have some rudimentary knowledge of cabling and wiring but I would like to expand my knowledge. Currently, if we need any rewiring done for our PBX system we call in contractors which is expensive. ...
6
votes
4answers
217 views
What's better for performance: rack-to-endpoint or rack-to-switch-to-endpoint
When putting Ethernet cables for an office there are two ways to put the cables:
From the rack patch panel a cable to each end-point (workstation).
From the rack patch panel a cable to each ...
3
votes
1answer
496 views
MRJ-21 Patch Panel System
I was reading about the MRJ-41 Patch Panel system here, but not sure I entirely understand it. It looks like it allows me to wire my own patch panels because it it uses a special cable to attach the ...
5
votes
3answers
422 views
Cable guides for CAT 5e in the rafters?
I've got to pull six or so lines through the rafters of this building. There's a mess of wire up there, and I'd like to keep these lines separated a bit.
Are there any cable guides that could be ...
21
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10answers
4k views
Network cable color conventions?
Are there any color conventions for network cable? I'm talking jacket color here, not the color of the individual conductors. I've seen and used mostly grey and blue which is what's usually readily ...
5
votes
2answers
597 views
What causes network cable to not work?
I've installed a bunch of cat-5 and when I check it for continuity and polarity it seems fine, but when I hook up a pair of laptops with a x-over cord and try to ping between them, they can detect ...
3
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7answers
5k views
Physical difference between Cat 5 and Cat 5e cabling?
(This isn't really server-related, but it seems more appropriate here than SO or SU.)
When we had this house built, we had network cabling run inside the house, or so I'm lead to believe. It's ...
6
votes
5answers
323 views
Securing power cables
It's always annoyed me that while the sockets for network, serial, parallel and display cables all have securing mechanisms (ie a screw-in bolt, or a clasp) to stop them from being pulled out by ...
4
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9answers
526 views
What do I need to know when burying some wire?
We just purchased a building that is right next to our current building with a small gravel "road" in between (that we own). I'm looking to run some wire in a conduit underground to the other ...
3
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2answers
685 views
Network cabling Tips
I'm looking for some useful information about how to design network cabling for a building.
I'm not so much interested in wiring standards such as 568A, but more interested in physically wiring the ...
3
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3answers
1k views
Is there a standard for running audio/video over CAT5/CAT5e UTP?
I want to use CAT5e UTP cabling to carry audio and video over distances of maybe 150 feet or so.
I plan to use the CAT5e cable as follows:
one wire pair for a composite video signal
one wire pair ...
