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PHS 221 INTRODUCTION TO TELECOMMUNICATION
PROFESSOR M. JIANG
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SECTION 10.7 NETWORK INTERFACE CARD (NIC)
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PRESENTED BY CALVIN HALL
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OSI MODEL
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TRANSMISSION MEDIUMS AND CONNECTORS
Twisted Pair Unshielded twisted Pair Coaxial Cable Fiber Optics Wireless (Radio Waves) RJ-45 5-PIN 9-PIN 37-PIN 7-MM
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INTERFACE CARD MANUFACTURERS
CANopen 1Mbps Devicenet 500Kbps Profibus Mbps WorldFIP Mbps Controlnet VME Ethernet 10/100 Mbps Reliance CCLink Data Link Highway Modbus Plus 1 Mbps
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DIFFERENT TYPES OF NICs
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CONTINUED
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Ethernet MAC Block Diagram
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Protocol Date Released Op. Frequency Throughput (Type) Data Rate (Max) Modulation Technique Range (Radius Indoor) Depends, # and type of walls Outdoor) Loss Includes one wall Legacy 1997 2.4 GHz 0.9 Mbit/s 2 Mbit/s ~20 Meters ~100 Meters 802.11a 1999 5 GHz 23 Mbit/s 54 Mbit/s OFDM ~35 Meters ~120 802.11b 4.3 Mbit/s 11 Mbit/s DSSS ~38 Meters ~140 802.11g 2003 19 Mbit/s 802.11n Sept 2008 (est.) 74 Mbit/s 248 Mbit/s MIMO ~70 Meters ~250 802.11y March 2008 (est.) 3.7 GHz ~50 Meters ~5000
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