PHS 221 INTRODUCTION TO TELECOMMUNICATION PROFESSOR M. JIANG

SECTION 10.7 NETWORK INTERFACE CARD (NIC)

PRESENTED BY CALVIN HALL

OSI MODEL

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

INTERFACE CARD MANUFACTURERS CANopen 1Mbps Devicenet 500Kbps Profibus 12Mbps WorldFIP 38.5 Mbps Controlnet VME Ethernet 10/100 Mbps Reliance CCLink Data Link Highway Modbus Plus 1 Mbps

DIFFERENT TYPES OF NICs

CONTINUED

Ethernet MAC Block Diagram

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