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Physical medium dependent

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protocols. They define the details of transmission and reception of individual bits on a physical medium. These responsibilities encompass bit timing, signal encoding, interacting with the physical medium, and the properties of the cable, optical fiber, or wire itself. Common examples are
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and ultimately costs less than the other 10GbE standards. It uses 850 nm lasers and only reaches distances ranging between 26 and 82 metres on older fiber technology. In newer optimized multimode fibers (a.k.a. OM3) it can reach up to 300
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Physical medium attachment (PMA) sublayer – This sublayer performs PMA framing, octet synchronization/detection, and
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Reconciliation sublayer (RS) – This sublayer processes PHY local/remote fault messages and handles DDR conversion
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manner. On legacy FDDI multimode fiber it can reach up to 300 m while on single-mode fiber it can reach up to 10 km.
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Physical medium dependent (PMD) sublayer – This sublayer consists of a transceiver for the physical medium
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was also defined for single-mode fiber operations, uses the 1300 nm band allowing it to reach up to 10 km.
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uses four lasers that each transmit at 3.125 Gbit/s. The receiver is arranged in a
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After these specifications have been laid out, they are then completed with
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physical medium dependent sublayers define the physical sub-layer.
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band allowing for distances of up to 40 km to be reached.
163: 181: 213: 231:Physical medium dependent sublayer specifications 116:Institute of Electrical and Electronics Engineers 353: 43:but its sources remain unclear because it lacks 342:Ethernet 1000BASE-X PCS/PMA Technology Basics 133:The Ethernet PMD sublayer is part of the 74:Learn how and when to remove this message 248:operation only. It operates in the 1550 354: 235: 324:Packet: Cisco Systems Users Magazine 314: 137:(PHY). The hierarchy is as follows: 15: 13: 14: 373: 20: 301:specifications using different 128: 1: 347:IEEE 802.3-2012 Specification 308: 214:{\displaystyle x^{7}+x^{6}+1} 7: 93:further help to define the 10: 378: 317:"10 GbE and Its X Factors" 141:Data link layer (Layer 2) 87:Physical medium dependent 303:physical coding sublayer 170:Physical coding sublayer 29:This article includes a 268:was defined for use in 221:scrambling/descrambling 135:Ethernet physical layer 58:more precise citations. 315:Barbieri, Alessandro. 215: 244:has been defined for 216: 151:Medium access control 179: 145:Logical link control 236:10 Gigabit Ethernet 112:10 Gigabit Ethernet 102:specifications for 295:local area network 211: 31:list of references 299:wide area network 246:single-mode fiber 84: 83: 76: 369: 338: 336: 335: 321: 220: 218: 217: 212: 204: 203: 191: 190: 166:layer (Layer 1) 108:Gigabit Ethernet 99:computer network 79: 72: 68: 65: 59: 54:this article by 45:inline citations 24: 23: 16: 377: 376: 372: 371: 370: 368: 367: 366: 352: 351: 333: 331: 319: 311: 270:multimode fiber 238: 233: 199: 195: 186: 182: 180: 177: 176: 153:(MAC) sublayer 131: 114:defined by the 80: 69: 63: 60: 49: 35:related reading 25: 21: 12: 11: 5: 375: 365: 364: 350: 349: 344: 339: 310: 307: 291: 290: 279: 275: 274: 266: 262: 261: 258: 254: 253: 242: 237: 234: 232: 229: 228: 227: 226: 225: 222: 210: 207: 202: 198: 194: 189: 185: 173: 161: 160: 159: 158: 157: 148: 147:(LLC) sublayer 130: 127: 95:physical layer 82: 81: 39:external links 28: 26: 19: 9: 6: 4: 3: 2: 374: 363: 360: 359: 357: 348: 345: 343: 340: 329: 325: 318: 313: 312: 306: 304: 300: 296: 288: 284: 280: 277: 276: 271: 267: 264: 263: 259: 256: 255: 251: 247: 243: 240: 239: 223: 208: 205: 200: 196: 192: 187: 183: 174: 171: 168: 167: 165: 162: 155: 154: 152: 149: 146: 143: 142: 140: 139: 138: 136: 126: 124: 119: 117: 113: 109: 105: 104:Fast Ethernet 100: 96: 92: 89:sublayers or 88: 78: 75: 67: 64:February 2020 57: 53: 47: 46: 40: 36: 32: 27: 18: 17: 332:. Retrieved 327: 323: 292: 287:multiplexing 132: 123:cable modems 120: 90: 86: 85: 70: 61: 50:Please help 42: 305:standards. 278:10GBASE-LX4 129:Description 56:introducing 334:2016-04-06 330:(3): 25–28 309:References 285:-division 283:wavelength 265:10GBASE-S 257:10GBASE-L 241:10GBASE-E 362:Ethernet 356:Category 118:(IEEE). 52:improve 320:(PDF) 37:, or 297:and 121:For 110:and 91:PMDs 164:PHY 97:of 358:: 328:17 326:. 322:. 273:m. 250:nm 106:, 41:, 33:, 337:. 209:1 206:+ 201:6 197:x 193:+ 188:7 184:x 77:) 71:( 66:) 62:( 48:.

Index

list of references
related reading
external links
inline citations
improve
introducing
Learn how and when to remove this message
physical layer
computer network
Fast Ethernet
Gigabit Ethernet
10 Gigabit Ethernet
Institute of Electrical and Electronics Engineers
cable modems
Ethernet physical layer
Logical link control
Medium access control
PHY
Physical coding sublayer
single-mode fiber
nm
multimode fiber
wavelength
multiplexing
local area network
wide area network
physical coding sublayer
"10 GbE and Its X Factors"
Ethernet 1000BASE-X PCS/PMA Technology Basics
IEEE 802.3-2012 Specification

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