1 1 00:00:00,170 --> 00:00:03,210 In this video, I want to show you how to test the network. 2 2 00:00:03,210 --> 00:00:05,860 Now, when we created a cable, I showed you this device, 3 3 00:00:05,860 --> 00:00:07,760 which is known as a cable tester. 4 4 00:00:07,760 --> 00:00:08,920 In this video, though, 5 5 00:00:08,920 --> 00:00:11,360 I want to show you a little bit of an extension 6 6 00:00:11,360 --> 00:00:14,250 on a cable tester known as a fox and a hound. 7 7 00:00:14,250 --> 00:00:15,910 So I'm going to get rid of this one for us 8 8 00:00:15,910 --> 00:00:16,970 'cause we don't need that. 9 9 00:00:16,970 --> 00:00:19,600 And instead, we're going to focus on this device right here. 10 10 00:00:19,600 --> 00:00:21,750 Now, like the cable tester I showed you before, 11 11 00:00:21,750 --> 00:00:24,500 you can actually pull this apart into two pieces. 12 12 00:00:24,500 --> 00:00:26,510 So in this case, I'm just going to slide it apart 13 13 00:00:26,510 --> 00:00:28,600 and you see, I now have two pieces. 14 14 00:00:28,600 --> 00:00:30,540 Now the good thing about this is it does have 15 15 00:00:30,540 --> 00:00:32,000 a cable tester built in. 16 16 00:00:32,000 --> 00:00:33,710 And you can see that down here at the bottom 17 17 00:00:33,710 --> 00:00:36,680 where it'll test pins one through eight, and over here, 18 18 00:00:36,680 --> 00:00:38,310 we can test pins one through eight. 19 19 00:00:38,310 --> 00:00:40,200 So if I want to use that functionality, 20 20 00:00:40,200 --> 00:00:42,190 I'll simply take a patch cable 21 21 00:00:42,190 --> 00:00:44,930 and I would be able to plug it in to both sides, 22 22 00:00:44,930 --> 00:00:48,910 just like this and then we'll be able to run it 23 23 00:00:48,910 --> 00:00:50,140 by doing a test. 24 24 00:00:50,140 --> 00:00:51,810 And you can see here, the lights are lighting up 25 25 00:00:51,810 --> 00:00:55,120 as they're changing, one two three four five six seven eight 26 26 00:00:55,120 --> 00:00:58,660 and continue to go through it over and over and over again. 27 27 00:00:58,660 --> 00:01:01,320 But that's not the special thing about a fox and a hound. 28 28 00:01:01,320 --> 00:01:04,200 Really, it comes down to this piece right here, 29 29 00:01:04,200 --> 00:01:06,710 which is called a probe, a fox and the hound 30 30 00:01:06,710 --> 00:01:08,880 is also known as a toner probe. 31 31 00:01:08,880 --> 00:01:10,700 Now, when you're dealing with a toner probe, 32 32 00:01:10,700 --> 00:01:13,630 what it allows you to do is plug in one end 33 33 00:01:13,630 --> 00:01:17,310 to a network jack, and then use this metal tip 34 34 00:01:17,310 --> 00:01:20,020 to touch cables along your distribution path 35 35 00:01:20,020 --> 00:01:21,900 or your patch panel or your switch 36 36 00:01:21,900 --> 00:01:25,420 and it will make a noise when it finds the right cable. 37 37 00:01:25,420 --> 00:01:27,050 Now, let me show you how this works 38 38 00:01:27,050 --> 00:01:28,720 and it'll make a lot more sense. 39 39 00:01:28,720 --> 00:01:30,530 First, I'm going to show you here in my studio 40 40 00:01:30,530 --> 00:01:33,210 and then we're going to go and do it on my live network. 41 41 00:01:33,210 --> 00:01:36,080 So what we're going to do is I'm going to take this patch cable 42 42 00:01:36,080 --> 00:01:38,580 and I'm going to connect this sender, 43 43 00:01:38,580 --> 00:01:41,210 it's going to send the noise, and I'm going to plug it in. 44 44 00:01:41,210 --> 00:01:42,440 Now, once I plug that in, 45 45 00:01:42,440 --> 00:01:44,210 I need to plug this into a network somewhere. 46 46 00:01:44,210 --> 00:01:47,790 So I'm going to take our old fashioned jack that we used, 47 47 00:01:47,790 --> 00:01:50,330 that we created, and I'm going to plug it in there. 48 48 00:01:50,330 --> 00:01:54,220 Now, once I do that, I'm going to have this set to scan. 49 49 00:01:54,220 --> 00:01:55,730 Now, by setting this to scan, 50 50 00:01:55,730 --> 00:01:58,580 it's sending out a signal through this cable 51 51 00:01:58,580 --> 00:02:01,220 to the other end of this, wherever it connects to. 52 52 00:02:01,220 --> 00:02:02,940 Now, I'm going to go and put that down for a second. 53 53 00:02:02,940 --> 00:02:05,990 And as you can see, this cable really doesn't go anywhere, 54 54 00:02:05,990 --> 00:02:07,630 it's just going into my hand. 55 55 00:02:07,630 --> 00:02:10,300 But if I take this other device 56 56 00:02:10,300 --> 00:02:13,450 and I turn it on, you're going to be able to hear 57 57 00:02:13,450 --> 00:02:15,040 that little beeping noise, right? 58 58 00:02:15,040 --> 00:02:16,548 As I get closer to the cable, 59 59 00:02:16,548 --> 00:02:17,720 (toner probe beeping) 60 60 00:02:17,720 --> 00:02:20,610 it gets louder and that's the whole point of this. 61 61 00:02:20,610 --> 00:02:23,810 If I have a bundle of wires I can touch that cable 62 62 00:02:23,810 --> 00:02:27,150 and know exactly which cable it is that I'm touching 63 63 00:02:27,150 --> 00:02:30,560 and that tells me this is connected to that network jack. 64 64 00:02:30,560 --> 00:02:32,350 Why would you use a toner probe? 65 65 00:02:32,350 --> 00:02:34,690 Well, because a lot of networks you go and work in, 66 66 00:02:34,690 --> 00:02:36,740 they didn't do a good job of documenting it. 67 67 00:02:36,740 --> 00:02:39,620 They didn't label which room or which port it was. 68 68 00:02:39,620 --> 00:02:41,400 And by using this toner probe, 69 69 00:02:41,400 --> 00:02:44,480 I can figure out exactly which port is tied 70 70 00:02:44,480 --> 00:02:46,320 to which part of the patch panel 71 71 00:02:46,320 --> 00:02:48,950 by tracing it throughout all of the walls 72 72 00:02:48,950 --> 00:02:51,280 because in most places, the walls are drywalled, 73 73 00:02:51,280 --> 00:02:53,370 and you're not going to be able to get to those cables. 74 74 00:02:53,370 --> 00:02:56,490 But by going through where the cables start and end, 75 75 00:02:56,490 --> 00:02:58,690 the office jack and the patch panel, 76 76 00:02:58,690 --> 00:03:01,350 I can identify it and relabel the network. 77 77 00:03:01,350 --> 00:03:04,190 So, what I'm going to do is I'm going to set up my scanner on 78 78 00:03:04,190 --> 00:03:06,440 and push that signal out from one of the network jacks 79 79 00:03:06,440 --> 00:03:07,340 in my office. 80 80 00:03:07,340 --> 00:03:08,970 And I'm going to go back to our patch panel 81 81 00:03:08,970 --> 00:03:10,270 and we're going to figure out exactly 82 82 00:03:10,270 --> 00:03:12,580 which port it's tied into, 83 83 00:03:12,580 --> 00:03:14,610 because we're going to be able to use this toner probe 84 84 00:03:14,610 --> 00:03:16,110 to figure that out. 85 85 00:03:16,110 --> 00:03:17,760 So, I'm back in the server room now. 86 86 00:03:17,760 --> 00:03:20,010 I had my production assistant, Jay run out 87 87 00:03:20,010 --> 00:03:22,110 and plug it into one of the ports in the office 88 88 00:03:22,110 --> 00:03:23,350 and he hasn't even told me where. 89 89 00:03:23,350 --> 00:03:25,390 but we're going to figure it out because we're going to use 90 90 00:03:25,390 --> 00:03:26,930 our handy-dandy toner probe. 91 91 00:03:26,930 --> 00:03:28,470 So I'm going to do that, I'm going to turn it on 92 92 00:03:28,470 --> 00:03:31,500 and as I go through, I'm just going to start on the patch panel 93 93 00:03:31,500 --> 00:03:33,140 and figure out where it is. 94 94 00:03:33,140 --> 00:03:36,490 So that one's not it, that one's not it. 95 95 00:03:36,490 --> 00:03:39,930 Number three, number four, number five, 96 96 00:03:39,930 --> 00:03:40,895 it's getting noisier. 97 97 00:03:40,895 --> 00:03:41,728 (toner probe beeping) 98 98 00:03:41,728 --> 00:03:43,420 I think it's number six. 99 99 00:03:43,420 --> 00:03:45,940 Number seven is a little less, eight less, nine less 100 100 00:03:45,940 --> 00:03:47,230 and so you could see it went away. 101 101 00:03:47,230 --> 00:03:49,510 So obviously it's number six. 102 102 00:03:49,510 --> 00:03:51,880 So if I look up here at number six and I use my little 103 103 00:03:51,880 --> 00:03:54,990 flashlight, it tells me that is in the break room. 104 104 00:03:54,990 --> 00:03:56,960 So Jay had gone and unplugged, 105 105 00:03:56,960 --> 00:03:58,880 apparently our wireless network in the break room 106 106 00:03:58,880 --> 00:04:00,780 and decided to plug that in and that's great. 107 107 00:04:00,780 --> 00:04:01,890 So now we know where it is. 108 108 00:04:01,890 --> 00:04:02,723 And so if people are going, 109 109 00:04:02,723 --> 00:04:04,350 "Hey, the wireless network's not working," 110 110 00:04:04,350 --> 00:04:05,550 we can figure out why, 111 111 00:04:05,550 --> 00:04:08,010 because maybe he went and cut the network wire someplace 112 112 00:04:08,010 --> 00:04:09,280 between here and there. 113 113 00:04:09,280 --> 00:04:10,950 We'd be able to figure that out as well 114 114 00:04:10,950 --> 00:04:12,710 but we wouldn't be able to figure it out here 115 115 00:04:12,710 --> 00:04:14,370 because if there's a cut in between, 116 116 00:04:14,370 --> 00:04:15,970 we're going to have to backtrack. 117 117 00:04:15,970 --> 00:04:18,950 And so we can start looking what's before the patch panel. 118 118 00:04:18,950 --> 00:04:21,440 And in my case, we look up 119 119 00:04:21,440 --> 00:04:24,440 and there's actually going to be wires coming in the ceiling. 120 120 00:04:24,440 --> 00:04:26,760 So Jay, if you can move the camera over here, 121 121 00:04:26,760 --> 00:04:28,460 we're going to show these blue wires. 122 122 00:04:30,730 --> 00:04:32,110 All right, so you can see these blue wires. 123 123 00:04:32,110 --> 00:04:34,890 And again, so if I start out over here, 124 124 00:04:34,890 --> 00:04:36,200 these are actually cable TV, 125 125 00:04:36,200 --> 00:04:37,810 that's not where we're sending the signal. 126 126 00:04:37,810 --> 00:04:39,520 But I do hear a little bit of noise 127 127 00:04:39,520 --> 00:04:41,520 and that's because these blue wires behind it 128 128 00:04:41,520 --> 00:04:43,320 are our cat five cables. 129 129 00:04:43,320 --> 00:04:45,785 And so if I go over here and put my thing in, 130 130 00:04:45,785 --> 00:04:47,100 the one I'm touching is not it, 131 131 00:04:47,100 --> 00:04:50,400 but as I go through, I can poke until I hit the right wire. 132 132 00:04:50,400 --> 00:04:51,920 (toner probe beeping) 133 133 00:04:51,920 --> 00:04:52,950 And I found it. 134 134 00:04:52,950 --> 00:04:56,210 So now I can take that particular wire 135 135 00:04:56,210 --> 00:04:58,350 and I know that it's getting a signal at least to there, 136 136 00:04:58,350 --> 00:05:01,540 and I can trace that wire down using my toner probe 137 137 00:05:01,540 --> 00:05:03,840 until I find where the break in the wire is. 138 138 00:05:03,840 --> 00:05:05,810 This is a way that you can troubleshoot your networks. 139 139 00:05:05,810 --> 00:05:09,070 And that's why using these toner probes is so important 140 140 00:05:09,070 --> 00:05:10,800 and a good understanding of these. 141 141 00:05:10,800 --> 00:05:14,210 On the exam, if you hear fox and hound or toner probe, 142 142 00:05:14,210 --> 00:05:16,860 think about using it on your cable distribution network 143 143 00:05:16,860 --> 00:05:18,460 to find breaks in the wire 144 144 00:05:18,460 --> 00:05:20,980 or do identify and document your network.