1 1 00:00:00,950 --> 00:00:02,930 So, we just spent a lot of time talking 2 2 00:00:02,930 --> 00:00:05,830 about Wide Area Network technology and devices. 3 3 00:00:05,830 --> 00:00:06,843 But what are the most common ways 4 4 00:00:06,843 --> 00:00:09,910 that you're going to deal with as a network technician? 5 5 00:00:09,910 --> 00:00:11,900 Well, by far, the most common one 6 6 00:00:11,900 --> 00:00:13,100 you're going to find is either 7 7 00:00:13,100 --> 00:00:15,771 going to be a cable modem or a fiber optic modem. 8 8 00:00:15,771 --> 00:00:19,120 And in this case, I have a Verizon box that is a combination 9 9 00:00:19,120 --> 00:00:23,020 switch, router, wireless access point, and media converter. 10 10 00:00:23,020 --> 00:00:24,970 That's going to convert that cable signal, 11 11 00:00:24,970 --> 00:00:28,110 it has this built-in cable modem, converts that, 12 12 00:00:28,110 --> 00:00:30,860 routes it over to the Local Area Network. 13 13 00:00:30,860 --> 00:00:32,190 Now, if you're dealing with fiber optic 14 14 00:00:32,190 --> 00:00:34,320 networks like the new Verizon Fios Network 15 15 00:00:34,320 --> 00:00:36,110 here in the United States, you're actually 16 16 00:00:36,110 --> 00:00:38,680 going to see something that looks just like this. 17 17 00:00:38,680 --> 00:00:41,450 Now, why is that? Well, because a lot of times, 18 18 00:00:41,450 --> 00:00:43,000 they're going to convert it from fiber 19 19 00:00:43,000 --> 00:00:45,290 to coaxial right outside your home 20 20 00:00:45,290 --> 00:00:48,580 and then, still run it in using a coaxial connection. 21 21 00:00:48,580 --> 00:00:52,110 For example, here at our offices, we use Verizon Fios. 22 22 00:00:52,110 --> 00:00:53,479 Verizon Fios gives us a fiber 23 23 00:00:53,479 --> 00:00:55,310 optic connection to the building. 24 24 00:00:55,310 --> 00:00:56,710 It goes from their headquarters 25 25 00:00:56,710 --> 00:00:58,770 to our headquarters and just outside 26 26 00:00:58,770 --> 00:01:00,922 our building, it hits a media converter. 27 27 00:01:00,922 --> 00:01:03,160 That media converter changes it 28 28 00:01:03,160 --> 00:01:06,450 from fiber optic to a Cat6 connection. 29 29 00:01:06,450 --> 00:01:08,651 That Cat6 copper cable then goes 30 30 00:01:08,651 --> 00:01:10,990 through that media converter into 31 31 00:01:10,990 --> 00:01:12,450 our distribution center where our 32 32 00:01:12,450 --> 00:01:14,080 patch panel and our switch and router 33 33 00:01:14,080 --> 00:01:15,992 are and it connects in there. 34 34 00:01:15,992 --> 00:01:18,080 From there, that's where we get 35 35 00:01:18,080 --> 00:01:19,990 that direct connection to the Internet 36 36 00:01:19,990 --> 00:01:24,080 over that Cat6 cable and back out to that media converter. 37 37 00:01:24,080 --> 00:01:25,710 Now, the box that we have looks 38 38 00:01:25,710 --> 00:01:27,850 something like this, the only difference 39 39 00:01:27,850 --> 00:01:29,693 is instead of plugging into this 40 40 00:01:29,693 --> 00:01:31,320 coax connection, we're actually going 41 41 00:01:31,320 --> 00:01:33,220 to use this white connection which 42 42 00:01:33,220 --> 00:01:35,620 is where that Cat6 cable is going to come in. 43 43 00:01:35,620 --> 00:01:37,270 And that's where the modem part 44 44 00:01:37,270 --> 00:01:39,363 of this comes in from the fiber modem. 45 45 00:01:39,363 --> 00:01:41,082 Again, we're just transiting that 46 46 00:01:41,082 --> 00:01:44,500 physical layer from fiber to Cat6, 47 47 00:01:44,500 --> 00:01:46,210 but it's still using that same modem 48 48 00:01:46,210 --> 00:01:49,270 inside of here to connect it back into our network. 49 49 00:01:49,270 --> 00:01:50,570 Now, another type of network you're 50 50 00:01:50,570 --> 00:01:52,140 going to see is Satellite. 51 51 00:01:52,140 --> 00:01:53,670 And if you're in a remote area 52 52 00:01:53,670 --> 00:01:56,720 where you don't have fiber or DSL or cable, 53 53 00:01:56,720 --> 00:01:59,330 you might have to use a Satellite modem. 54 54 00:01:59,330 --> 00:02:00,470 A Satellite modem is going to look like 55 55 00:02:00,470 --> 00:02:01,900 just like the one I just showed you. 56 56 00:02:01,900 --> 00:02:03,940 It's still got that coax connection. 57 57 00:02:03,940 --> 00:02:06,000 The difference is, that coax connection 58 58 00:02:06,000 --> 00:02:08,300 runs up to the satellite dish on your roof 59 59 00:02:08,300 --> 00:02:09,200 and that's where it's going to 60 60 00:02:09,200 --> 00:02:11,320 be converted to radio frequency, 61 61 00:02:11,320 --> 00:02:14,490 up to the satellite and then down to the base station. 62 62 00:02:14,490 --> 00:02:15,960 Again, from your perspective as 63 63 00:02:15,960 --> 00:02:17,200 a Network Technician though, 64 64 00:02:17,200 --> 00:02:18,520 it's going to look very similar. 65 65 00:02:18,520 --> 00:02:20,461 You're going to have this modem, this satellite modem 66 66 00:02:20,461 --> 00:02:21,780 that you're going to plug in a 67 67 00:02:21,780 --> 00:02:24,090 coax cable to and out the other side 68 68 00:02:24,090 --> 00:02:27,190 comes this RJ 45, the Cat6 cable that 69 69 00:02:27,190 --> 00:02:29,530 you can then plug into whatever you want. 70 70 00:02:29,530 --> 00:02:31,050 The final thing you might find if 71 71 00:02:31,050 --> 00:02:32,770 you don't have satellite or cable 72 72 00:02:32,770 --> 00:02:35,940 or fiber or DSL is cellular. 73 73 00:02:35,940 --> 00:02:37,830 And cellular is something that we all use. 74 74 00:02:37,830 --> 00:02:39,530 I have this little Android phone, 75 75 00:02:39,530 --> 00:02:42,290 I have my iPhone here sitting in my pocket, right? 76 76 00:02:42,290 --> 00:02:44,040 All of these are cellular devices 77 77 00:02:44,040 --> 00:02:46,300 and they are a Wide Area Network connection. 78 78 00:02:46,300 --> 00:02:48,370 In addition to giving us individual 79 79 00:02:48,370 --> 00:02:50,381 connections over these cellular devices though, 80 80 00:02:50,381 --> 00:02:53,192 we can also turn them into cellular hotspots. 81 81 00:02:53,192 --> 00:02:55,100 Where they use cellular to connect 82 82 00:02:55,100 --> 00:02:56,870 to the Internet and then put off a 83 83 00:02:56,870 --> 00:02:59,381 Wireless Access Point from the phone itself 84 84 00:02:59,381 --> 00:03:01,390 so your laptop or your tablets 85 85 00:03:01,390 --> 00:03:03,270 can connect to them and then use them 86 86 00:03:03,270 --> 00:03:05,830 as a modem to connect to the outside world. 87 87 00:03:05,830 --> 00:03:07,370 Again, there are lots of different 88 88 00:03:07,370 --> 00:03:08,390 Wide Area Network technologies 89 89 00:03:08,390 --> 00:03:09,870 that we didn't cover in this lesson, 90 90 00:03:09,870 --> 00:03:11,480 but talked about in the previous lessons. 91 91 00:03:11,480 --> 00:03:12,970 But these are the ones you're most 92 92 00:03:12,970 --> 00:03:15,470 likely going to find when you're out in the field.