Installing, Troubleshooting, and Repairing Wireless Networks phần 4 potx

... available WEP keys 0, 1, 2, and 3, while most wireless devices number them 1, 2, 3, and 4 (equivalent to Windows’ 0, 1, 2, and 3, respectively). LinkSys wireless devices and Windows support entering ... Address Access Point Gateway IP Access Point DHCP Source WEP Level Off ___ Off ___ 40 / 64- bit ___ 40 / 64- bit ___ 1 04/ 128-bit ___ 1 04/ 128-bit ___ WEP Key 1 Value ASCII:...

Ngày tải lên: 10/08/2014, 12:21

... cut- ting techniques, and assembly order for most connectors and cables you will encounter. Type N Plugs and Jacks Type N plugs and jacks are identified by their larger exterior body and center pin ... flow, and then remove the heat. I suggest practicing the tinning and sol- dering process with ordinary speaker cable and inexpensive lugs before moving to delicate RF connector...

Ngày tải lên: 10/08/2014, 12:21

... manages civilian and state and local government Wireless Essentials 7 Installing, Troubleshooting, and Repairing Wireless Networks Chapter 14 Neighborhood and Community Wireless Networks 253 Sharing ... Access Point 140 Signal Amplifiers 140 Radiating Cable 142 Passive Repeaters 143 Multiple Access Point Networks 145 Avoiding Channel Overlap and Other Networ...

Ngày tải lên: 10/08/2014, 12:21

... 1960s (see Figure 4. 14) . Figure 4. 14 Male and female R-SMA or reverse- polarity SMA connector uses the same external body style as the standard SMA connector, but the male and female pin are ... Wired and Wireless Networks for 50 Systems Chapter 2 30 Equipment Wired Wired Wireless Wireless and Labor Network Cost Totals Network Cost Totals Network Card (50) $100 $5,000 $10...

Ngày tải lên: 10/08/2014, 12:21

... dBm " 9 dBi 1 dB 38 dBm " 12 dBi 2 dB 40 dBm " 15 dBi 3 dB 42 dBm " 18 dBi 4 dB 44 dBm " 21 dBi 5 dB 46 dBm " 24 dBi 6 dB 48 dBm note as well. If you live in a house ... 6 dBi 4 W ϭ 36 dBm 500 mW = 27 dBm (15 dB gain) 9 dBi 4 W ϭ 36 dBm 250 mW = 24 dBm (12 dB gain) 12 dBi 4 W ϭ 36 dBm 100 mW = 20 dBm (8 dB gain) 16 dBi 4 W ϭ 36 dBm 30 mW = 12 dBm...

Ngày tải lên: 10/08/2014, 12:21

... documentation and links to several wireless resources. New York City Wireless: http://www.nycwireless.net San Francisco Wireless: http://www.sfwireless.net Seattle Wireless: http://www.seattlewireless.net FreeNetworks.org: ... aspects of wireless networks, products, and implementations—heavy on the Linux side, but many list members do speak Mac and Windows too. Software for Wir...

Ngày tải lên: 10/08/2014, 12:21

... Controllers 040 - 043 h System Timers 060h Keyboard, Aux. 070h, 071h Real Time Clock/CMOS, NMI Mask 081h, 082h, 083h, and 087h DMA Page Register (0–3) 089h, 08Ah, 08Bh, and 08Fh DMA Page Register (4 7) 0A0-0A1h ... vulnerability reports of Wireless Scanner, could be obtained from sniffer products like AirMagnet, but AirMagnet and Wireless Scanner do nothing to stop the intrusions....

Ngày tải lên: 10/08/2014, 12:21

... addresses 24. 66.13.5 and 24. 66.12.6. ■ DSL provider assigns you eight fixed IP addresses from 24. 66.13.21 to 24. 66.13.28. With this information in hand, you can begin to configure your wireless ... antenna directly to a wireless device on their end and what that wireless device is depends on what they will be doing (see Figure 14. 1). Figure 14. 1 A typical neighborhood wireles...

Ngày tải lên: 10/08/2014, 12:21

... access. ■ 802.11g—Provides 20+ Mbps in the 2 .4 GHz band. ■ 802.11h—A future standard for wireless spectrum management. ■ 802.11i—A standard for enhancing the security of wireless local area networks (WLANs). Preceded ... available as part of the DOS command processor program, COMMAND.COM. DIR, COPY, DEL, TYPE, and CLS are examples of some internal DOS commands. See also internal co...

Ngày tải lên: 10/08/2014, 12:21

... testing and bootup. Glossary 3 74 signal power amplifiers, 77–82, 140 – 142 bidirectional systems and, 141 passive repeaters and, 143 – 144 power limits and, 9–10, 78–80 preamplifiers and, 141 repeaters and, ... (See also neighborhood and community networks) , 2 54 257, 255 time synchronization in, 248 – 249 , 248 wireless client installation for, 242 – 246 , 243 – 246 SMC,...

Ngày tải lên: 10/08/2014, 12:21