Guide to networking for physical security systems

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Title:

Personal Author:

Engebretson, David

Publication Information:

Clifton Park, NY : Delmar Cengage Learning, 2008

Physical Description:

xxi, 275 p. : ill. ; 24 cm.

ISBN:

9781418073961

Subject Term:

Electronic security systems

Telecommunication systems

Available:*

Library	Item Barcode	Call Number	Material Type	Item Category 1	Status
Searching... PSZ KL	30000003493743	TH9737 E54 2008	Open Access Book	Book	Searching... Unknown

Due to increased demand, it has become more important than ever for electronic technicians and security management professionals to have a thorough, grounded knowledge of the programming, installation, and functioning of IP-addressed electronic security devices. Guide to Networking for Physical Security Systems provides this information with a practical, straightforward approach. By first providing complete explanations of IP addressing, Ethernet and Wi-Fi, internet connections, and how networks operate; this book then delves into how these technologies can be used for electronic security device applications. With guided tours of common network devices such as DSL adapters, routers, IP security cameras, and detailed explanations of the various types of video compression; readers will gain a wealth of technical information that will prepare them for work in the electronic security industry.Check out our app, DEWALT® Mobile Pro(tm). This free app is a construction calculator with integrated reference materials and access to hundreds of additional calculations as add-ons. To learn more, visit dewalt.com/mobilepro.

Acknowledgments	p. xix
About the Author	p. xx
Introduction	p. xxi
Chapter 1 The Beginnings of Networking	p. 1
The history in brief	p. 1
How did these networks develop?	p. 1
Telephone networks	p. 2
Mainframe computer networks	p. 3
Cabling system standardization	p. 4
Personal computers	p. 4
Network protocols	p. 5
The rise of the Internet	p. 6
Network history and electronic security	p. 6
Chapter 2 Analog and Digital Communications	p. 7
Communication methods	p. 7
Analog communications	p. 7
Problems with analog communications	p. 7
Digital communications-zeros and ones	p. 9
Interference	p. 10
Attenuation	p. 10
Signal power	p. 10
Summary	p. 10
Chapter 3 Overview of Ethernet LANs	p. 11
Evolution	p. 11
Overview	p. 11
Cabling	p. 12
Computer hardware	p. 12
Firmware	p. 12
Individual addressing	p. 12
Nodes	p. 13
Segments	p. 13
How transmission happens	p. 13
What about collisions?	p. 13
Ethernet data throughput standards	p. 13
Ethernet goes turbo	p. 14
Ethernet and electronic security	p. 14
Chapter 4 Basics of Ethernet	p. 15
Why data is reformatted for transmission	p. 15
Ethernet packet format	p. 15
Packet routing	p. 16
Device addressing	p. 16
MAC addressing	p. 17
IP addressing	p. 17
Network classes and the Internet	p. 18
Class A networks	p. 18
Class B networks	p. 18
Class C networks	p. 18
Reuse of IP addresses	p. 19
Default IP addresses	p. 19
Addresses and communication	p. 19
Why two types of addresses-IP and MAC?	p. 20
Subnet masking	p. 20
Summary	p. 20
Chapter 5 Ethernet Devices and Components	p. 21
Ethernet devices	p. 21
Proxy server	p. 26
Summary	p. 26
Chapter 6 Wire and Cable	p. 27
Initial cabling methods	p. 27
Rethinking the concept	p. 27
Star configuration	p. 28
568 standards overview	p. 29
Type of cable	p. 29
Types of connectors	p. 29
Maximum distances of cable runs	p. 32
Testing methods	p. 33
Ethernet copper connections	p. 33
UTP patch cords and jumpers	p. 34
Crossover cables	p. 34
Copper cable performance enhancements-all those "Cats"	p. 34
Copper cable installation and performance	p. 35
Summary	p. 35
Chapter 7 Fiber Optics	p. 37
Why fiber is used in networking	p. 37
How fiber works	p. 37
Types of fiber and their uses	p. 39
Fiber connections	p. 39
Fiber testing	p. 39
Electrical-to-fiber converters	p. 40
Analog transmission on fiber	p. 40
Ethernet media converters	p. 41
Selection of media converters	p. 42
When to use media converters for security applications	p. 43
Powering devices	p. 43
Summary	p. 43
Chapter 8 Wireless LANs	p. 45
The history lesson	p. 45
The concepts of Wi-Fi	p. 45
Use of Shared Frequencies	p. 46
Emulation of Ethernet	p. 46
Standardization	p. 46
Product compatibility	p. 47
Data security	p. 47
Wi-Fi components	p. 47
Access points	p. 47
Wi-Fi laptops	p. 48
Wi-Fi routers and switches	p. 48
Ad hoc mode	p. 48
Wi-Fi coverage	p. 49
Wi-Fi security concerns	p. 50
Bandwidth realities	p. 51
Typical Wi-Fi uses for electronic security	p. 52
The future of Wi-Fi electronic security	p. 53
Summary	p. 53
Chapter 9 IP Addressing Technologies	p. 55
Host	p. 55
Server	p. 55
Static IP	p. 55
Dynamic host configuration protocol-DHCP	p. 56
Static vs. DHCP in electronic security applications	p. 57
Domain name server-DNS	p. 58
Dynamic domain name server-DDNS	p. 58
Ports & network address translation-NAT	p. 59
Summary	p. 61
Chapter 10 Internet WAN Connections and Services	p. 63
What is the Internet?	p. 63
Internet service providers	p. 64
Dialup	p. 64
Definition of broadband	p. 64
DSL	p. 64
Cable modem	p. 66
Broadband connections and electronic security	p. 66
Satellite	p. 67
T1 leased lines	p. 68
Virtual private network	p. 68
VPNs and security devices	p. 69
Internet options	p. 69
Chapter 11 IP Addressing How-To	p. 71
Addressing overview	p. 71
Checking the IP address of a network-connected device	p. 71
PING command	p. 74
Exiting command line screen	p. 74
Command line functions	p. 74
Finding IP information through Windows	p. 74
Summary	p. 77
Chapter 12 IP Addressing Example	p. 79
DSL IP addresses	p. 80
VoIP IP addresses	p. 81
Wi-Fi gateway router IP addressing	p. 82
Computer IP settings	p. 84
Putting it all together	p. 84
Gateway routers and LAN/WAN addressing	p. 85
Summary	p. 86
Chapter 13 Working with the IT Department	p. 87
IT management responsibilities	p. 87
IT management concerns	p. 88
IT and network security	p. 88
How to work with the IT department	p. 89
Going parallel	p. 89
Using the enterprise network	p. 89
Bandwidth controls	p. 90
How much is available?	p. 91
What about the future?	p. 91
Summary	p. 91
Chapter 14 Cabling and Connection Options	p. 93
Standardized structured cabling	p. 93
Cabling as it stands	p. 93
Backbone cabling	p. 94
Horizontal cross-connect	p. 95
Horizontal cabling	p. 95
Network camera installation example	p. 95
Camera power	p. 96
Connection to the network	p. 97
Wait now	p. 97
Parallel networking	p. 97
Benefits of being alone	p. 97
Going parallel-testing	p. 98
Parallel network cameras example-copper	p. 98
Fiber hookup	p. 100
Fiber media converters	p. 100
Viewing options	p. 101
Pre-installation testing of parallel systems	p. 101
10/100 problems	p. 101
Security of telecom rooms	p. 102
Summary	p. 102
Chapter 15 Serial Communications and Ethernet	p. 103
How do these technologies communicate?	p. 103
RS-422 and -485	p. 103
Why change to Ethernet?	p. 104
Ethernet converters/serial servers	p. 105
Head-end communications	p. 106
Serial tunneling	p. 106
Communications integration	p. 107
Access control communication links	p. 107
Summary	p. 108
Chapter 16 Planning a Network Video System Installation	p. 109
The cameras	p. 109
Network camera benefits	p. 109
Network camera concerns or limitations	p. 110
Network cameras-the bottom line	p. 111
Analog camera and network video server benefits	p. 111
Analog camera and network server concerns or limitations	p. 112
Analog camera and network server-the bottom line	p. 113
Monitoring and recording options	p. 113
Summary	p. 114
Chapter 17 Video Compression Technologies	p. 115
Streams of images	p. 115
Basic television	p. 115
Resolution lines	p. 116
Composite video	p. 116
From analog to digital	p. 116
Lossy and lossless compression	p. 117
Decimation	p. 118
Scaling	p. 118
Spatial redundancy	p. 119
Temporal redundancy	p. 119
Further file size reduction	p. 119
JPEG compression	p. 119
MPEG	p. 119
Typical video compression algorithms used in networking	p. 121
Compressing the future	p. 121
Chapter 18 Video Bandwidth Controls for Shared Networks	p. 123
Why bandwidth control is needed	p. 123
Network bandwidth availability and variables	p. 123
Options for bandwidth control	p. 124
Frames per second (fps)	p. 124
Image scaling	p. 125
Scaling, fps, and Internet connections	p. 126
Compression percentages	p. 126
Compression method selection	p. 126
Variables of bandwidth usage	p. 127
Good, better, best	p. 127
Calculating bandwidth needs	p. 127
Black magic	p. 128
Summary	p. 128
Chapter 19 Video Control and Recording Options	p. 129
Image control	p. 129
Camera movement	p. 130
Image storage, transmission, and recording	p. 131
In the camera	p. 131
Email	p. 131
File transfer protocol (FTP)	p. 132
Web browser vs. software program control	p. 133
Network video recorder (NVR)	p. 133
Compression compatibility issues	p. 133
Multiple image transfer options	p. 134
Sensory overload	p. 134
Summary	p. 134
Chapter 20 Powering Devices	p. 135
Everybody wants some	p. 135
Enterprise power concerns	p. 136
What does a UPS do?	p. 136
Types of UPS	p. 136
Standby backup offline UPS	p. 136
Line interactive UPS	p. 137
On-line UPS	p. 137
Battery backup	p. 137
Intelligent UPS	p. 138
UPS capacity requirements	p. 138
UPS application considerations	p. 138
Remote control and reset	p. 138
Network powering option	p. 138
Power over Ethernet ("PoE")	p. 139
How PoE works	p. 139
PoE power suppliers	p. 139
Intelligent discovery	p. 141
Advantages of PoE	p. 141
Growth of PoE	p. 141
DC pickers	p. 141
PoE and security systems	p. 142
Chapter 21 Network Security	p. 143
Introduction	p. 143
Why is this important?	p. 143
Call the police	p. 143
The high chaparral	p. 144
Who are the bad guys?	p. 144
Inside operators	p. 145
Why hackers might attack	p. 145
How hackers attack systems	p. 146
Brute force attacks	p. 146
Computer viruses	p. 147
Trojan horses	p. 147
Worms	p. 148
Denial of service attacks	p. 148
Logic bombs	p. 148
Spoofing	p. 149
A "hole" lot of trouble	p. 150
Protecting your network	p. 151
Network protection planning	p. 151
Physical security equipment	p. 151
Security of communications lines	p. 152
Defense against outside attack	p. 152
Defense against inside attack	p. 153
Protection of video data	p. 155
Regular backup of system data	p. 155
Redundant systems/paths	p. 155
Network security is a process, not a goal	p. 156
Chapter 22 DSL Adapter Guided Tour	p. 157
DSL adapter functions	p. 157
Accessing the DSL adapter	p. 157
Password access	p. 158
Firewalls and hosted applications	p. 158
Hosted applications	p. 159
Turn on the host	p. 160
Select the computer	p. 161
Allow individual applications	p. 161
More than one camera?	p. 161
DMZ mode	p. 161
Review the work	p. 162
Getting back to normal	p. 162
Review of DSL adapter setting adjustments	p. 162
DSL adapter review	p. 163
Chapter 23 Wi-Fi Router Guided Tour	p. 165
The router	p. 166
Accessing the device from a PC	p. 166
Wireless settings	p. 166
Turn on/turn off	p. 166
SSID name	p. 167
WEP	p. 167
WEP encryption and key type	p. 167
Disabling SSID transmission	p. 169
WAN settings	p. 169
Host name	p. 170
MAC address	p. 170
MAC cloning	p. 170
DNS addresses	p. 170
LAN settings	p. 171
DHCP settings	p. 171
Static DHCP	p. 172
Advanced settings	p. 172
Port forwarding	p. 172
Filtering options	p. 173
Firewall rules	p. 174
DMZ settings	p. 174
Router review	p. 175
Gimme danger	p. 175
Wi-Fi router review	p. 176
Chapter 24 Ethernet Camera Guided Tour	p. 177
Connecting to an Ethernet camera for initial programming	p. 177
Connecting to the camera using default IP address	p. 177
Connecting to the camera using MAC search	p. 178
Programming network addressing	p. 180
IP addressing-MAC search	p. 180
IP addressing-default IP connection	p. 180
Port address settings	p. 181
Host name	p. 181
BOOTP	p. 181
DHCP	p. 182
DNS	p. 182
Set up and get out	p. 182
Other network settings	p. 182
NTP time settings	p. 182
File transfer protocol settings	p. 184
Ethernet camera tour review	p. 186
Chapter 25 Wi-Fi Camera Guided Tour	p. 187
Why Wi-Fi?	p. 187
Tour camera	p. 187
Programming connections	p. 188
Accessing the programming settings	p. 188
Wi-Fi settings	p. 188
IP address settings	p. 190
Port settings	p. 190
DNS and DDNS settings	p. 191
Set and get out	p. 191
Image settings	p. 191
Email settings	p. 192
Wi-Fi camera review	p. 192
Chapter 26 Wireless Laptop Surveillance	p. 193
Equipment list	p. 194
Camera programming	p. 194
Accessing the camera's programming fields	p. 194
Setting the camera's IP address	p. 195
Programming the camera for ad hoc Wi-Fi mode	p. 195
Programming the laptop for ad hoc mode	p. 195
Security issues	p. 201
"Hey, it's not working!"	p. 201
Recording software	p. 201
Disk space requirement	p. 202
Testing for video storage needs	p. 203
Onsite installation	p. 203
Wi-Fi warning	p. 204
Suggestions	p. 204
Summary	p. 205
Chapter 27 IP Video Server Guided Tour	p. 207
Programming access	p. 207
IP addressing options	p. 208
DDNS functions	p. 208
Image settings	p. 208
Video image options	p. 209
Serial port settings	p. 210
Video server tour summary	p. 210
Chapter 28 Video Management and Recording Software Guided Tour	p. 211
Why use video management software?	p. 211
Software details	p. 211
Program startup	p. 212
Camera connection	p. 212
Video and audio compression	p. 213
Image scaling and cropping	p. 215
Recording options	p. 215
Recorded file encryption	p. 216
Caption selections	p. 217
Motion detection	p. 217
Scheduling	p. 218
Live camera viewing	p. 218
Video management software review	p. 219
Chapter 29 Digital Video Recorders	p. 221
DVR connections and functions	p. 221
Recording options	p. 221
Video motion detection	p. 223
Disk storage options	p. 224
Evidentiary options	p. 224
Viewing options	p. 224
P/T/Z control	p. 224
Networked DVR benefits	p. 225
Connection issues for network DVRs	p. 225
DVRs and hacker security	p. 225
Desktop DVRs-video capture systems	p. 225
Benefits of DVRs	p. 226
Summary	p. 227
Chapter 30 IP Alarm Transmitters	p. 229
Why Transmit alarm signals over networks?	p. 229
Pick a winner	p. 230
Receiver compatibility	p. 230
Losing the signals	p. 231
Pay to play	p. 231
Installing an IP alarm transmitter	p. 231
General programming	p. 231
IP addressing	p. 232
Testing of alarm transmissions	p. 232
Digital dialer backup	p. 232
Loss of downloading capability	p. 232
Transmission options	p. 233
Signal encryption and security issues	p. 233
Future/now	p. 233
Practice, practice	p. 233
Summary	p. 234
Chapter 31 VoIP and Alarm Communications	p. 235
How VoIP works	p. 235
Why your customers may switch to VoIP	p. 237
VoIP and service quality	p. 237
Installation problems with VoIP	p. 237
Alarm transmission problems with VoIP	p. 239
Connection of digital communicators to VoIP	p. 239
Alternatives to digital communications	p. 240
Death of the digital dialer	p. 240
How dealers can protect their business	p. 240
What's the good news?	p. 241
It's somebody else's problem	p. 241
Summary	p. 242
Chapter 32 Tools of the Trade	p. 243
Ethernet tools	p. 243
Wi-Fi tools	p. 244
Product-dependent tools	p. 244
Chapter 33 Testing and troubleshooting	p. 245
Logical networks	p. 245
Communications testing sequence	p. 245
Direct laptop testing	p. 246
LAN communication testing	p. 247
WAN/internet communications	p. 247
Problems with video images	p. 248
No video	p. 249
Slow video	p. 249
Summary	p. 250
Appendix A Common Networking Terms Glossary	p. 251
Appendix B Useful Commands for Troubleshooting Networks and Devices	p. 261
Appendix C Internet Connection Information Websites	p. 263
Appendix D Web Pages of Interest	p. 265
Appendix E Reference Books	p. 267
Index	p. 269

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