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0
votes
1answer
44 views

Is it possible to tell whether I am connecting to fast or gigabit ethernet with CAT5e cable?

My NIC supports gigabit ethernet: $ ethtool eth0 Settings for eth0: Supported ports: [ MII ] Supported link modes: 10baseT/Half 10baseT/Full ...
2
votes
1answer
144 views

Can I use Cat5e jacks and wiring for POE Cameras?

I have to connect 6 POE cameras to an NVR that provides the POE ports. The cameras will be located 100-200' from the NVR. The packages comes with 100' cables. I can run new cables, but I have some ...
0
votes
1answer
45 views

Ethernet switch signal quality

Is there a (significant) signal quality difference between ethernet switches? n other words: A 1000base-t, do some switches allow longer cable runs than other switches?
6
votes
1answer
386 views

Is it possible to detect rx+ rx- tx+ tx- wires with multimeter?

Is it possible to detect rx+ rx- tx+ tx- wires of an ethernet cable having only a part of cable with multimeter or somehow else? I mean the situation when you have just one side of the ethernet ...
0
votes
1answer
64 views

What read/write speed should I expect when writing a file to unix box over cat5e cable? [closed]

Right now the read is at 40+ megabytes/second and the write is around 1.5 megabytes/second. Is that to be expected or should I do more diagnosing? It seems awfully slow... My setup: Macbook Pro ...
2
votes
2answers
225 views

Identifying a CAT6 cable in a bundle

We had a contractor wire up our office with all the cables leading back to a central location. The only problem is that he didn't label anything, so we have no idea which cables go to which room. One ...
2
votes
1answer
316 views

Is it ok to use cat5e patches/jacks on cat6a cable for 10Gb

I understand that "technically" you are supposed to use cat6 cable jacks as well as cat6 patch panels. In practice I've seen cat6a plugged into cat5e patch panels, although I've never seen cat5e ...
3
votes
1answer
188 views

TIA 568A vs. B Wiring for Long Ethernet Run

I have a long Ethernet run (about 280 ft/85 m) that goes through a conduit between two buildings. On each end, I have an APC Ethernet surge protector that is grounded to the main ground for each ...
3
votes
3answers
2k views

Sanity Check: Is my CAT5e cable probably bad, or do I just need different connectors?

I'm working with a small company, and since I'm the only one with even a half-ounce of network infrastructure experience I've got the job of wiring up our network. So please forgive my newbie-ness. ...
0
votes
3answers
104 views

Cat5e or Cat6a for media and post production company

I am a non-techy and need to understand if there is a reason (and why) we should look to install cat 6a in new office premises when they already have cat 5e installed. We are a media company with a ...
-4
votes
1answer
82 views

Yellow goo on ISP's WiFi equipment? [closed]

I am seeing a yellow like goo in my ISP's outdoor cabinets for my WiMax network. The cat5 runs up the building to a BSR and then to the antennas. Am I losing power and signal quality from this, and ...
3
votes
5answers
4k views

Cat6 CCA or Cat5e Pure Copper

I'm trying to decide what wire we should use when running new runs. I was wondering what implications there might be to using CAT6 Copper Clad Aluminum wiring vs Pure Copper CAT5e. I'm not sure if ...
3
votes
1answer
408 views

Cat 5/6 Software based cable certification

Is there any software that will certify cable using only two NIC's and software to run the test? Would a NIC be able to test a cable based on the physical internals that it's made of? I'm ...
1
vote
1answer
7k views

Max distance for cat5e in 1000Mbps / 1 Gigabit

What is the max distance for cat5e cables in 1000Mbps (1 Gigabit) Full Duplex mode?
4
votes
3answers
479 views

Cable Management

I was given the task of (re)organizing cables in one of our racks, and I have never done this before. What system/equipment do you use to organize your cables? The rack I have is 23" and has 19" ...
2
votes
1answer
184 views

Multipathing vs. bonded connections

I recently tried to sell the idea of multipathing one of our production databases (thanks to Brent at SQL Pass summit!) currently using just 1 database file (189GB!!!) on a physical server with 2 ...
1
vote
2answers
1k views

How can I troubleshoot APIPA (169.254.x.x) in physical network cabling?

all: We have just started using an existing Cat5e cable to run 100Base-T to a new office, but unfortunately, machines in the new office see link but receive an APIPA address (169.254.x.x). I brought ...
4
votes
4answers
535 views

Terminate short CAT5 uplinks?

My employer is moving to a new building and i'm in charge of creating/moving the IT infrastructure. There are 3 floors with a patch closet on each floor, then CAT5 uplinks down to the server room on ...
1
vote
5answers
286 views

Is there a way to measure the speed after changing over from CAT 5/ CAT 5e to CAT6?

We have recently done a change in our network by using CAT 6 cabling. Now I would like to measure the speed difference when I use Cat 5 or Cat5 e and Cat 6. Is there a way to find out the same?
6
votes
6answers
7k views

Rackmount cable length calculations & best practices

I'm redoing the cable management for a small company with a modest server room. It's my first time trying to organize an absolute mess that their former IT-guy left. A huge problem that I'm finding ...
0
votes
3answers
137 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 ...
5
votes
1answer
425 views

Planning to buy some cat5e cables. 568A or 568b?

I plan to buy about 20-30 feet of Cat5e (or 6) cables. I have 30 mbits connection. I was looking around and the ones we are considering are 568B. I was looking for quality in my cables. Is this ...
26
votes
5answers
11k views

What is the actual difference between Cat-5 and Cat-5e?

From the title, this sounds a whole lot like a repeat of this question, but it isn't, I promise. Because he wanted to know whether you could tell from looking at a cable whether it was Cat-5 or ...
5
votes
3answers
594 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 ...
2
votes
2answers
1k views

Cat5e cable: what are each color used for?

I have been curious on this for a while since there are some people who use a modified CAT5e cable with a switch to disconnect data sending without actually disconnecting the whole internet ...
4
votes
4answers
15k views

Tool to physically test ethernet cable with two network cards? [closed]

We're building ethernet cable or a non-profit community computer lab. We test them with a cheapie cable tester, which I believes simple checks the electrical connection of each wire. We're having ...
5
votes
8answers
14k 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 ...
3
votes
5answers
529 views

Where to purchase quality network cable?

I'm interested to know where other folks buy networking cable in bulk. Many of the places I've found appear somewhat "iffy", and I'd like to buy from a reputable outfit that will be around the next ...
7
votes
6answers
975 views

Should Cat6 cables be used for servers ('important hosts') rather than Cat5-E?

Wouldn't you want your crucial hosts being served with the most signal-reliable/improved method of connectivity? Gig Switch<->Cat5E<->Server? or Gig Switch<->Cat6<->Server? My ...
4
votes
3answers
5k 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 ...
6
votes
5answers
6k views

Gigabit with cat5 cable

Can a standard cat5 cable transmit at a speed of 1000 Mbit/s ? I've asked several people I know in the networking field and received different answers. I know a cat5 "works" on a Gigabit network but ...