Download presentation
Presentation is loading. Please wait.
Published byAnnabel Booth Modified over 9 years ago
1
CIT 307 Online Data Communications Transmission Media Module 7 Kevin Siminski, Instructor
2
Transmission Media and Layer 1
3
Classes of Media
4
Guided Media types Twisted Pair Cable Coaxial Cable Fiber-Optic Cable
5
Twisted Pair Why the twist??
6
Twisted Pair (continued) UTP and STP
7
Categories of UTP CategoryBandwidthData RateDigital/AnalogUse 1very low< 100 kbpsAnalogTelephone 2 < 2 MHz2 MbpsAnalog/digitalT-1 lines 3 16 MHz 10 MbpsDigitalLANs 4 20 MHz 20 MbpsDigitalLANs 5 100 MHz 100 MbpsDigitalLANs 6 (draft) 200 MHz 200 MbpsDigitalLANs 7 (draft) 600 MHz 600 MbpsDigitalLANs
8
UTP Connectors
9
UTP Performance
10
Coaxial Cable
11
Types of Coaxial Cable CategoryImpedanceUse RG-59 75 Cable TV RG-58 50 Thin Ethernet RG-11 50 Thick Ethernet
12
Coaxial Connectors
13
Coaxial Performance
14
Fiber Optic Cables Use either LED (Light Emitting Diode) or Laser transmitter Can be expensive to terminate cables. Time consuming Delicate
15
Fiber Optics
16
Fiber Optic types/modes
17
Modes of operation
18
Fiber types TypeCoreCladdingMode 50/125 50125Multimode, graded-index 62.5/125 62.5125Multimode, graded-index 100/125100125Multimode, graded-index 7/125 7125Single-mode
19
Fiber Construction
20
Fiber Optic connectors
21
Fiber Optic Performance
22
Other Fiber Optic tid-bits Single Mode Fiber 99% of the time uses a laser for transmission. – Cable color is usually Yellow Multimode Fiber uses a LED for transmission – Cable color is usually Orange
Similar presentations
© 2024 SlidePlayer.com Inc.
All rights reserved.