Figure 3 1 twisted pair wire anatomy
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Twisted Pair. Outer Jacket. Plastic insulation. Outer Jacket. Foil shield. Unshielded twisted pair (four pair). Twisted Pairs. Braided shield. Outer Jacket. Twisted Pair. Overall shield. Shielded twisted pair (two pair). ScTP (a hybrid UTP) shielded.

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Figure 3 1 twisted pair wire anatomy

Twisted Pair

Outer Jacket

Plastic insulation

Outer Jacket

Foil shield

Unshielded twisted pair (four pair)

Twisted Pairs

Braided shield

Outer Jacket

Twisted Pair

Overall shield

Shielded twisted pair (two pair)

ScTP (a hybrid UTP) shielded

Figure 3-1Twisted-pair wire anatomy


Figure 3 2 coaxial cable anatomy

D

C

A

B

Figure 3-2 Coaxial cable anatomy


Figure 3 3 fiber optic cable anatomy

Single-mode

Multimode

Multimode

Multimode

Buffer coating

10 - 125

microns

50 - 125

microns

62.5 - 125

microns

100 - 140

microns

Core

Cladding

Figure 3-3Fiber-optic cable anatomy


Figure 3 4 single and multimode fiber optical connectors

Single-Mode

Multimode

ST Connector

SC Connector

Figure 3- 4 Single and Multimode Fiber-optical connectors


Figure 3 5 bypass

PBX

PBX

Business

Business

Data

Data

Central Office

Central Office

Before Bypass

PBX

PBX

Business

Business

Data

Data

Central Office

Central Office

Bypass

Figure 3-5 Bypass


Figure 3 6 a lan interconnect using microwave

Microwave

Microwave

Business

Business

LAN

LAN

Figure 3-6 A LAN interconnect using microwave


Figure 3 7 satellite coverage

GEO 35,900 km

MEO 10,400 km

MEO

LEO 7-1400 km

LEO

Earth’s Surface

Figure 3-7 Satellite Coverage


Figure 3 8 leo meo geo relative orbit levels

GEO

MEO

LEO

Figure 3-8LEO, MEO, GEO relative orbit levels


Figure 3 9 the electro magnetic spectrum

30,000 MHz

Satellite Ka Band (19-22 GHz)

Satellite KU Band (10.7-12.75 GHz)

Satellite C Band (3.4-4.8 GHz)

UHF TV Broadcast

VHF TV Channels 7-13 (470-884 MHz)

FM Radio Broadcast (88-106MHzz)

VHF TV Channels (54-82 MHz)

CB Radio Channels (27 MHz)

AM Radio Broadcast (.5-1.6 MHz)

SHF – Super High Frequency

UHF – Ultra High Frequency

VHF – Very High Frequency

MF – Medium Frequency

LF – Low Frequency

VLF – Very Low Frequency

3000 MHz

SHF

UHF

VHF

Short

Wave

MF

LF

VLF

300 MHz

30 MHz

3 MHz

300 kHz

30 kHz

3 kHz

Figure 3-9The electro-magnetic spectrum


Figure 3 10 a vsat system

GEO Satellite

Host Computer

VSAT Terminal

VSAT Master Station

VSAT Terminal

VSAT Terminal

VSAT Terminal

Earth Station

Figure 3-10 A VSAT system


Figure 3 11 wifi anatomy

Internet

Wireless PCs

Cable/DSL Modem

ISP (Internet Service Provider)

Access Point

ATA

Wired PCs

VoIP Phones

Figure 3-11 WiFi anatomy


Figure 3 12 wimax anatomy

Internet

WiMAX 802.16 Transmitter

WiMAX 802.16 Transmitter

Line-of-site Back Haul

Line-of-site Back Haul

ISP Network

Non Line-of-site Transmission

Customer’s Receiver connects to Router/Access Point inside home.

Customer’s Receiver

Residence or Business

Figure 3-12 WiMAX anatomy


Chapter 03
Chapter 03

[FIG] Figure 3-1 Twisted-pair wire anatomy

[FIG] Figure 3-2 Coaxial cable anatomy

[FIG] Figure 3-3 Fiber-optic cable Anatomy

[FIG] Figure 3-4 Single-mode and multimode connectors

[FIG] Figure 3-5 Bypass

[FIG] Figure 3-6 A LAN interconnection using microwave

[FIG] Figure 3-7 Satellite Footprints

[FIG] Figure 3-8 LEO, MEO, GEO relative orbit levels

[FIG] Figure 3-9 The Electro-Magnetic Spectrum

[FIG] Figure 3-10 VSAT system

[FIG] Figure 3-11 WiFi anatomy

[FIG] Figure 3-12 WiMAX anatomy


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