1249:
to collisions and the resulting rebroadcasts. Under heavy use, the total throughput was increased compared to the other standards. The other was that the hubs could examine the payload types and schedule the nodes based on their bandwidth requirements. For instance, a node sending a video signal may not require much bandwidth but will require it to be predictable in terms of when it is delivered. A VG hub could schedule access on that node to ensure it received the transmission timeslots it needed while opening up the network at all other times to the other nodes. This style of access was known as
821:
676:
935:
859:
752:
638:
33:
897:
714:
1151:, standardized in IEEE 802.3y, the data is transmitted over two copper pairs, but these pairs are only required to be Category 3 rather than the Category 5 required by 100BASE-TX. Data is transmitted and received on both pairs simultaneously thus allowing full-duplex operation. Transmission uses 4 bits per symbol. The 4-bit symbol is expanded into two 3-bit symbols through a non-trivial scrambling procedure based on a
3191:
840:
733:
998:, the active pairs in a standard connection are terminated on pins 1, 2, 3 and 6. Since a typical Category 5 cable contains four pairs and the performance requirements of 100BASE-TX do not exceed the capabilities of even the worst-performing pair, one typical cable can carry two 100BASE-TX links with a simple wiring adaptor on each end. Cabling is conventionally wired to one of
954:
916:
771:
657:
878:
695:
3203:
969:
1155:. This is needed to flatten the bandwidth and emission spectrum of the signal, as well as to match transmission line properties. The mapping of the original bits to the symbol codes is not constant in time and has a fairly large period (appearing as a pseudo-random sequence). The final mapping from symbols to
192:(RMII). In rare cases, the MII may be an external connection but is usually a connection between ICs in a network adapter or even two sections within a single IC. The specs are written based on the assumption that the interface between MAC and PHY will be an MII but they do not require it. Fast Ethernet or
2009:
100BASE-EX is very similar to 100BASE-LX10 but achieves longer distances up to 40 km over a pair of single-mode fibers due to higher quality optics than a LX10, running on 1310 nm wavelength lasers. 100BASE-EX is not a formal standard but industry-accepted term. It is sometimes referred to
1248:
This concept was intended to solve two problems. The first was that it eliminated the need for collision detection and thereby reduced contention on busy networks. While any particular node may find itself throttled due to heavy traffic, the network as a whole would not end up losing efficiency due
1178:
used by 100BASE-TX. Maximum distance was limited to 100 meters. One pair was reserved for transmit and one for receive, and the remaining two switched direction. The fact that three pairs were used to transmit in each direction made 100BASE-T4 inherently half-duplex. Using three cable pairs allowed
2018:
100BASE-ZX is a non-standard but multi-vendor term to refer to Fast
Ethernet transmission using 1,550 nm wavelength to achieve distances of at least 70 km over single-mode fiber. Some vendors specify distances up to 160 km over single-mode fiber, sometimes called 100BASE-EZX. Ranges
1976:
100BASE-SX is a version of Fast
Ethernet over optical fiber standardized in TIA/EIA-785-1-2002. It is a lower-cost, shorter-distance alternative to 100BASE-FX. Because of the shorter wavelength used (850 nm) and the shorter distance supported, 100BASE-SX uses less expensive optical components
1235:
VG was similar to T4 in that it used more cable pairs combined with a lower carrier frequency to allow it to reach 100 mbps on voice-grade cables. It differed in the way those cables were assigned. Whereas T4 would use the two extra pairs in different directions depending on the direction of
1075:
the data is transmitted over a single copper pair, 3 bits per symbol, each transmitted as code pair using PAM3. It supports full-duplex transmission. The twisted-pair cable is required to support 66 MHz, with a maximum length of 15 m. No specific connector is defined. The standard is
157:, itself an evolution of 10BASE5 (802.3) and 10BASE2 (802.3a). Fast Ethernet devices are generally backward compatible with existing 10BASE-T systems, enabling plug-and-play upgrades from 10BASE-T. Most switches and other networking devices with ports capable of Fast Ethernet can perform
1244:
scheme to choose which of the attached nodes were allowed to communicate at any given time, based on signals sent to it from the nodes using control mode. When one node was selected to become active, it would switch to transfer mode, send or receive a packet, and return to control mode.
1186:
code was used to convert 8 data bits into 6 base-3 digits (the signal shaping is possible as there are nearly three times as many 6-digit base-3 numbers as there are 8-digit base-2 numbers). The two resulting 3-digit base-3 symbols were sent in parallel over three pairs using 3-level
2000:
100BASE-BX10 is a version of Fast
Ethernet over optical fiber standardized in 802.3ah-2004 clause 58. It uses an optical multiplexer to split TX and RX signals into different wavelengths on the same fiber. It has a 10 km reach over a single strand of single-mode fiber.
1984:, the 10 Mbit/s version of Ethernet over optical fiber, 100BASE-SX can be backward-compatible with 10BASE-FL. Cost and compatibility makes 100BASE-SX an attractive option for those upgrading from 10BASE-FL and those who do not require long distances.
1232:, 100BaseVG was an alternative design using category 3 cabling and a token concept instead of CSMA/CD. It was slated for standardization as IEEE 802.12 but it quickly vanished when switched 100BASE-TX became popular. The IEEE standard was later withdrawn.
2290:
2019:
beyond 80 km are highly dependent upon the path loss of the fiber in use, specifically the attenuation figure in dB per km, the number and quality of connectors/patch panels and splices located between transceivers.
1963:
100BASE-LFX is a non-standard term to refer to Fast
Ethernet transmission. It is very similar to 100BASE-FX but achieves longer distances up to 4–5 km over a pair of multi-mode fibers through the use of
234:
or better cable, defunct), 100BASE-T2 (100 Mbit/s over two-pair Cat3 or better cable, also defunct). The segment length for a 100BASE-T cable is limited to 100 metres (328 ft) (the same limit as
2225:"The 100BASE-TX PMD (and MDI) is specified by incorporating the FDDI TP-PMD standard, ANSI X3.263: 1995 (TP-PMD), by reference, with the modifications noted below." (section 25.2 of IEEE802.3-2002).
1236:
data exchange, VG instead used two transmission modes. In one, control, two pairs are used for transmission and reception as in classic
Ethernet, while the other two pairs are used for
161:, sensing a piece of 10BASE-T equipment and setting the port to 10BASE-T half duplex if the 10BASE-T equipment cannot perform autonegotiation itself. The standard specifies the use of
2637:
2977:
1179:
it to reach 100 mbps while running at lower carrier frequencies, which allowed it to run on older cabling that many companies had recently installed for 10BASE-T networks.
2410:
1040:. The 4B5B encoding provides DC equalization and spectrum shaping. Just as in the 100BASE-FX case, the bits are then transferred to the physical medium attachment layer using
2473:
2149:
1992:
100BASE-LX10 is a version of Fast
Ethernet over optical fiber standardized in 802.3ah-2004 clause 58. It has a 10 km reach over a pair of single-mode fibers.
203:
actually observed on real networks is less than the theoretical maximum, due to the necessary header and trailer (addressing and error-detection bits) on every
2010:
as 100BASE-LH (long haul), and is easily confused with 100BASE-LX10 or 100BASE-ZX because the use of -LX(10), -LH, -EX, and -ZX is ambiguous between vendors.
2448:
2723:
1159:
line modulation levels obeys the table on the right. 100BASE-T2 was not widely adopted but the technology developed for it is used in 1000BASE-T.
3171:
2179:
2088:
2756:
2424:
2648:
1968:
laser transmitter running on 1310 nm wavelength. The signal attenuation per km at 1300 nm is about half the loss of 850 nm.
2523:
2356:
3166:
189:
2798:
2611:
2195:
973:
987:
or above cable. Cable distance between nodes can be up to 100 metres (328 ft). One pair is used for each direction, providing
3017:
2131:
1152:
1076:
intended for automotive applications or when Fast
Ethernet is to be integrated into another application. It was developed as
2771:
1025:. With today's equipment, crossover cables are generally not needed as most equipment supports auto-negotiation along with
1747:
optics sharable with 10BASE-FL, thus making it possible to have an auto-negotiation scheme and use 10/100 fiber adapters.
109:) refers to the physical medium that carries the signal (twisted pair or fiber, respectively), while the last character (
3234:
1211:
40:
3229:
3161:
3111:
3106:
2028:
1904:
1266:
185:
1240:. In the second mode, transmission, all four are used to transfer data in a single direction. The hubs implemented a
2549:
3156:
2954:
2944:
2318:
1188:
1077:
1065:
252:
3146:
3068:
1937:
820:
675:
1022:
934:
858:
751:
637:
199:
The MII fixes the theoretical maximum data bit rate for all versions of Fast
Ethernet to 100 Mbit/s. The
184:). The MAC is typically linked to the PHY by a four-bit 25 MHz synchronous parallel interface known as a
2766:
2310:
896:
713:
3130:
2877:
2841:
2761:
1032:
With 100BASE-TX hardware, the raw bits, presented 4 bits wide clocked at 25 MHz at the MII, go through
55:
3012:
2791:
2333:
2731:
2892:
1237:
1049:
180:(MAC), which deals with the higher-level issues of medium availability, and a physical layer interface (
1878:
Fast
Ethernet speed is not available on all SFP ports, but supported by some devices. An SFP port for
3207:
3088:
3063:
2856:
2776:
177:
3083:
3073:
3053:
3048:
3032:
2939:
2851:
2846:
1485:
146:
1965:
2949:
2811:
1044:
encoding. However, 100BASE-TX introduces an additional, medium-dependent sublayer, which employs
1006:
223:
73:
standard and remained the fastest version of
Ethernet for three years before the introduction of
2360:
1444:
2150:"Cisco 100BASE-X Small Form-Factor Pluggable Modules for Fast Ethernet Applications Data Sheet"
3195:
2923:
2784:
2175:
2084:
1396:
1382:
1262:
839:
732:
412:
32:
953:
915:
770:
656:
93:
in the media type designation refers to the transmission speed of 100 Mbit/s, while the
3058:
2861:
2836:
2826:
2135:
2113:
2076:
1879:
1175:
1171:
1002:'s termination standards, T568A or T568B. 100BASE-TX uses pairs 2 and 3 (orange and green).
984:
877:
694:
584:
524:
464:
356:
240:
231:
227:
200:
74:
59:
48:
1005:
The configuration of 100BASE-TX networks is very similar to 10BASE-T. When used to build a
3125:
2882:
1952:
1657:
1573:
1368:
1354:
1340:
1323:
1306:
1289:
1250:
1229:
1183:
208:
173:
and operate in full-duplex mode, even as legacy devices that use half duplex still exist.
170:
158:
2202:
1194:
100BASE-T4 was not widely adopted but some of the technology developed for it is used in
2550:"Everything You Always Wanted to Know About Optical Networking – But Were Afraid to Ask"
3120:
3078:
2897:
1170:
was an early implementation of Fast Ethernet. It required four twisted copper pairs of
1014:
204:
3223:
2245:
1933:
1894:
1241:
1009:, the devices on the network (computers, printers etc.) are typically connected to a
150:
1761:
1048:
as a final encoding of the data stream before transmission, resulting in a maximum
1018:
1010:
999:
983:
is the predominant form of Fast Ethernet, and runs over two pairs of wire inside a
788:
605:
193:
142:
2638:"Differences between OM1, OM2, OM3, OM4, OS1, OS2 fiber optic cable nomenclatures"
2047:
It may possible for certain types of optics to work with a mismatch in wavelength.
1036:
binary encoding to generate a series of 0 and 1 symbols clocked at a 125 MHz
2080:
1198:. Very few hubs were released with 100BASE-T4 support. Some examples include the
3098:
2902:
1037:
988:
286:
166:
2673:
1866:
optical multiplexer used to split TX and RX signals into different wavelengths.
3151:
2918:
1921:
1899:
1695:
1265:
with the listed interface types. Interfaces may be fixed or modular, often as
1195:
1026:
480:
426:
370:
310:
244:
1466:
1214:. Bridging 100BASE-T4 with 100BASE-TX required additional network equipment.
3027:
3022:
2997:
2992:
2987:
2887:
2381:
1981:
1945:
1489:
1223:
540:
281:
196:
may use the MII to connect to multiple PHYs for their different interfaces.
118:
1569:
max. 412 m for half-duplex connections to ensure collision detection;
2959:
2807:
2698:
2590:
2498:
1917:
995:
236:
154:
138:
98:
1021:. Alternatively, it is possible to connect two devices directly using a
968:
3007:
3002:
2982:
162:
2117:
1890:
To have interoperability there are some criteria that have to be met:
17:
3116:
1955:
where more speed is not required, like industrial automation plants.
1882:
should not be assumed to be backwards compatible with Fast Ethernet.
1455:
247:(approved 1995). Almost all 100BASE-T installations are 100BASE-TX.
27:
Ethernet standards that carry data at the nominal rate of 100 Mbit/s
1207:
1156:
1090:
1052:
of 31.25 MHz. The procedure is borrowed from the ANSI X3.263
1045:
967:
339:
36:
31:
3176:
2072:
1941:
1497:
1493:
1377:
3500 MHz·km @ 850 nm + 1850 MHz·km @ 950 nm
1199:
1053:
1041:
1033:
784:
601:
342:
336:
169:
mode is also specified and in practice, all modern networks use
62:
speed was 10 Mbit/s. Of the Fast Ethernet physical layers,
2780:
2295:
1501:
1203:
181:
2132:"OC3/STM1 GE/FE Module Combination - ERX 10.3.x Module Guide"
230:
or better cable), 100BASE-T4 (100 Mbit/s over four-pair
2291:"IBM 8225 Fast Ethernet Stackable Hub Hardware Announcement"
2104:
H. Frazier (2002) . "The 802.3z Gigabit Ethernet Standard".
2246:"Driven by IEEE Standards, Ethernet Hits the Road in 2016"
58:
carry traffic at the nominal rate of 100 Mbit/s. The
2405:
2403:
2401:
81:
is sometimes used for devices supporting both standards.
176:
A Fast Ethernet adapter can be logically divided into a
226:, including: 100BASE-TX (100 Mbit/s over two-pair
121:
method used. Fast Ethernet is sometimes referred to as
1951:
100BASE-FX is still used for existing installation of
2674:"GLC-FE-100EX 100BASE-EX SFP (mini-GBIC) Transceiver"
3139:
3097:
3041:
2970:
2932:
2911:
2870:
2819:
2524:"Fiber incompatabilities? – Ars Technica OpenForum"
1916:100BASE-X Ethernet is not backward compatible with
188:(MII), or by a two-bit 50 MHz variant called
1948:, the 10 Mbit/s version over optical fiber.
991:operation at 100 Mbit/s in each direction.
137:Fast Ethernet is an extension of the 10-megabit
2387:. Contemporary Control Systems, Inc. 2001-11-01
1029:to select and match speed, duplex and pairing.
2772:ProCurve Networking 100BASE-FX Technical Brief
2270:. Macmillan Technical Publishing. p. 107.
1932:100BASE-FX is a version of Fast Ethernet over
222:is any of several Fast Ethernet standards for
2792:
2165:
2163:
2161:
2159:
1944:'s PMD, so 100BASE-FX is not compatible with
1066:Ethernet over twisted pair § Single-pair
153:, similar to the IEEE standard 802.3i called
129:is a placeholder for the FX and TX variants.
8:
2359:. IEEE Standards Association. Archived from
1210:LinkBuilder FMS 100 T4. The same applies to
69:Fast Ethernet was introduced in 1995 as the
2799:
2785:
2777:
2757:Common 100 Mbit/s Hardware Variations
101:signaling. The letter following the dash (
2334:"Intel Express 100BASE-T4 User's Manual"
1792:
1632:
1571:specification largely derived from FDDI.
1410:
1271:
1087:
1064:For broader coverage of this topic, see
782:
599:
249:
2060:
2040:
1980:Because it uses the same wavelength as
1810:
1807:
1742:
1739:
1736:
1646:
1643:
1640:
1564:
1561:
1558:
1174:, a lower-performing cable compared to
2351:
2349:
2347:
2266:Robert Breyer and Sean Riley (1999).
1206:8225 Fast Ethernet Stackable Hub and
7:
3202:
2268:Switched, Fast, and Gigabit Ethernet
1080:(OABR) before IEEE standardization.
1056:specifications, with minor changes.
255:physical transport layers (TP-PHYs)
1920:and is not forward compatible with
1405:0.4 dB/km @ 1300/1550 nm
1391:1.0 dB/km @ 1300/1550 nm
243:). All are or were standards under
190:reduced media independent interface
2862:200, 400, 800 and 1600 Gbit/s
2724:"SFP15160FE0B / SFP / 100BASE-eZX"
25:
2767:IEEE802.3 standards free download
1824:
3201:
3190:
3189:
2474:"Cisco 100BASE-X SFP Data Sheet"
2311:"3Com Product End of Sale dates"
2174:(2nd ed.). O'Reilly Media.
1597:
1202:3C250-T4 Superstack II HUB 100,
952:
933:
914:
895:
876:
857:
838:
819:
769:
750:
731:
712:
693:
674:
655:
636:
2762:Origins and History of Ethernet
2382:"Introduction To Fast Ethernet"
1511:
1363:3500 MHz·km @ 850 nm
1349:1500 MHz·km @ 850 nm
2425:"Datasheet for SFP-1FE Series"
2411:"Datasheet for EDS-408A-MM-ST"
2172:Ethernet: The Definitive Guide
1335:500 MHz·km @ 850 nm
1318:200 MHz·km @ 850 nm
1301:160 MHz·km @ 850 nm
1153:linear-feedback shift register
1093:line modulation level mapping
1:
2499:"FS GLC-GE-100FX Transceiver"
2449:"Cisco 350 Series Data Sheet"
1940:(PMD) sublayer is defined by
1212:network interface controllers
2699:"FS-GLC-FE-100ZX 100BASE-ZX"
2591:"Datasheet for SFP-100FX-31"
2244:Junko Yoshida (2015-12-01).
2170:Charles E. Spurgeon (2014).
2081:10.1109/IEEESTD.1995.7974916
1504:– Full-Duplex / Half-Duplex)
1273:Legend for fibre-based PHYs
583:
523:
463:
419:
411:
363:
355:
165:for media access control. A
2234:IEEE 802.3bw-2015 Clause 96
2029:List of interface bit rates
1267:small form-factor pluggable
588:
580:
577:
574:
568:
562:
559:
556:
553:
528:
520:
517:
514:
508:
502:
499:
496:
493:
468:
460:
457:
454:
451:
448:
445:
442:
439:
416:
408:
405:
402:
399:
393:
390:
387:
384:
360:
352:
349:
346:
335:
332:
329:
326:
323:
253:twisted-pair-based Ethernet
186:media-independent interface
66:is by far the most common.
3251:
2319:Hewlett Packard Enterprise
1977:(LEDs instead of lasers).
1478:
1221:
1189:pulse-amplitude modulation
1078:Open Alliance BroadR-Reach
1063:
972:3Com 3C905B-TX 100BASE-TX
3185:
2579:Functional specifications
1938:physical medium dependent
1789:
1766:
1745:
1728:
1721:
1710:
1707:
1700:
1693:
1649:
1625:
1614:
1611:
1602:
1595:
1567:
1550:
1539:
1528:
1525:
1516:
1509:
1228:Proposed and marketed by
3112:SFP/SFP+/QSFP/QSFP+/OSFP
1912:Media type and dimension
1886:Optical interoperability
1172:voice grade twisted pair
2577:IEEE 802.3 clause 26.2
2559:. Richard A Steenbergen
2357:"ANSI/IEEE 802.12-1995"
1874:Fast Ethernet SFP ports
211:between transmissions.
178:media access controller
151:star wired bus topology
2857:40 and 100 Gbit/s
2612:"Knowledge Base Fiber"
1500:– Line rate: 125
1089:100BASE-T2 symbols to
977:
976:network interface card
117:, etc.) refers to the
44:
39:PRO/100 Fast Ethernet
2852:25 and 50 Gbit/s
2842:2.5 and 5 Gbit/s
1292:FDDI 62.5/125 µm
1050:fundamental frequency
971:
420:Automotive, IoT, M2M
141:standard. It runs on
35:
2075:. October 26, 1995.
1653:FP laser transmitter
1488:: 100 Mbit/s –
1309:OM1 62.5/125 µm
275:Lanes per direction
3235:Computer networking
2413:. MOXA. 2019-08-06.
1274:
1261:Fiber variants use
1094:
792:
609:
301:Cable rating (MHz)
256:
224:twisted pair cables
207:, and the required
147:optical fiber cable
49:computer networking
3230:Ethernet standards
2812:local area network
2734:on August 19, 2020
2618:. 28 February 2014
2430:. MOXA. 2018-10-12
1399:OS2 9/125 µm
1385:OS1 9/125 µm
1371:OM5 50/125 µm
1357:OM4 50/125 µm
1343:OM3 50/125 µm
1326:OM2 50/125 µm
1272:
1101:Line signal level
1088:
1007:local area network
978:
783:
600:
250:
45:
3217:
3216:
3069:Energy Efficiency
2924:Ethernet Alliance
2557:archive.nanog.org
2363:on April 19, 2014
2181:978-1-4493-6184-6
2118:10.1109/65.690946
2090:978-0-7381-0276-4
1936:. The 100BASE-FX
1871:
1870:
1867:
1849:
1818:
1797:
1787:
1773:
1748:
1719:
1661:
1660:: 800 MHz·km
1623:
1608:
1577:
1576:: 800 MHz·km
1537:
1523:
1505:
1471:
1460:
1449:
1433:
1409:
1408:
1263:fiber-optic cable
1145:
1144:
961:
960:
778:
777:
598:
597:
295:Max distance (m)
171:Ethernet switches
16:(Redirected from
3242:
3205:
3204:
3193:
3192:
2801:
2794:
2787:
2778:
2744:
2743:
2741:
2739:
2730:. Archived from
2720:
2714:
2713:
2711:
2709:
2695:
2689:
2688:
2686:
2684:
2670:
2664:
2663:
2661:
2659:
2653:
2647:. Archived from
2642:
2634:
2628:
2627:
2625:
2623:
2608:
2602:
2601:
2599:
2598:
2587:
2581:
2575:
2569:
2568:
2566:
2564:
2554:
2546:
2540:
2539:
2537:
2535:
2520:
2514:
2513:
2511:
2509:
2495:
2489:
2488:
2486:
2484:
2470:
2464:
2463:
2461:
2459:
2445:
2439:
2438:
2436:
2435:
2429:
2421:
2415:
2414:
2407:
2396:
2395:
2393:
2392:
2386:
2378:
2372:
2371:
2369:
2368:
2353:
2342:
2341:
2330:
2324:
2323:
2315:
2307:
2301:
2300:
2287:
2281:
2278:
2272:
2271:
2263:
2257:
2256:
2254:
2253:
2241:
2235:
2232:
2226:
2223:
2217:
2216:
2214:
2213:
2207:
2201:. Archived from
2200:
2196:"CAT5E Adapters"
2192:
2186:
2185:
2167:
2154:
2153:
2146:
2140:
2139:
2136:Juniper Networks
2128:
2122:
2121:
2112:(3). IEEE: 6–7.
2101:
2095:
2094:
2069:IEEE 802.3u-1995
2065:
2048:
2045:
1880:Gigabit Ethernet
1862:full-duplex only
1860:
1854:
1847:
1846:
1841:
1835:
1827:
1816:full-duplex only
1814:
1802:
1793:
1785:
1781:
1771:
1769:
1764:
1755:
1746:
1734:
1717:
1713:
1705:
1698:
1689:
1682:
1675:
1668:
1650:
1638:
1621:
1617:
1606:
1600:
1591:
1584:
1568:
1556:
1546:
1535:
1531:
1521:
1519:
1514:
1483:
1468:
1463:
1457:
1452:
1446:
1441:
1429:
1411:
1334:
1317:
1300:
1275:
1176:Category 5 cable
1095:
956:
937:
918:
899:
880:
861:
842:
823:
793:
773:
754:
735:
716:
697:
678:
659:
640:
610:
571:Half-duplex only
566:
548:
543:
511:Half-duplex only
506:
488:
483:
434:
429:
397:
378:
373:
318:
313:
292:Bandwidth (MHz)
257:
241:gigabit Ethernet
201:information rate
75:Gigabit Ethernet
21:
3250:
3249:
3245:
3244:
3243:
3241:
3240:
3239:
3220:
3219:
3218:
3213:
3181:
3135:
3093:
3037:
2966:
2928:
2907:
2883:Autonegotiation
2866:
2832:100 Mbit/s
2815:
2805:
2753:
2748:
2747:
2737:
2735:
2722:
2721:
2717:
2707:
2705:
2697:
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2528:arstechnica.com
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2299:. May 28, 1996.
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2205:
2198:
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2143:
2130:
2129:
2125:
2103:
2102:
2098:
2091:
2067:
2066:
2062:
2057:
2052:
2051:
2046:
2042:
2037:
2025:
2016:
2007:
1998:
1990:
1974:
1961:
1953:multimode fiber
1930:
1888:
1876:
1865:
1852:
1844:
1842:
1839:
1837:
1834:
1823:
1800:
1783:
1780:
1770:
1767:
1760:
1753:
1732:
1725:
1723:
1715:
1712:
1703:
1701:
1694:
1687:
1680:
1673:
1666:
1658:Modal bandwidth
1656:
1654:
1652:
1651:vendor-specific
1636:
1629:
1627:
1619:
1616:
1605:
1596:
1589:
1582:
1574:Modal bandwidth
1572:
1570:
1554:
1547:
1544:
1543:
1541:
1533:
1530:
1520:
1517:
1510:
1469:
1465:
1458:
1454:
1447:
1443:
1437:
1431:
1332:
1315:
1298:
1259:
1251:demand priority
1230:Hewlett-Packard
1226:
1220:
1182:A very unusual
1165:
1086:
1069:
1062:
1023:crossover cable
966:
780:
564:
546:
539:
504:
486:
479:
432:
425:
395:
376:
369:
316:
309:
289:per lane (MBd)
278:Bits per hertz
272:Pairs required
269:Speed (Mbit/s)
217:
209:interpacket gap
159:autonegotiation
135:
87:
56:physical layers
28:
23:
22:
15:
12:
11:
5:
3248:
3246:
3238:
3237:
3232:
3222:
3221:
3215:
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3212:
3211:
3199:
3186:
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3141:
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3015:
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2909:
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2900:
2895:
2890:
2885:
2880:
2878:Physical layer
2874:
2872:
2868:
2867:
2865:
2864:
2859:
2854:
2849:
2847:10 Gbit/s
2844:
2839:
2834:
2829:
2827:10 Mbit/s
2823:
2821:
2817:
2816:
2806:
2804:
2803:
2796:
2789:
2781:
2775:
2774:
2769:
2764:
2759:
2752:
2751:External links
2749:
2746:
2745:
2728:Skylane Optics
2715:
2690:
2665:
2654:on 18 May 2020
2629:
2616:Fluke Networks
2603:
2582:
2570:
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2515:
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2039:
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2033:
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2031:
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2021:
2015:
2012:
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2003:
1997:
1994:
1989:
1986:
1973:
1970:
1960:
1957:
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1593:
1592:
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1579:
1578:
1566:
1563:
1560:
1557:
1555:FDDI: 2k (FDX)
1552:
1549:
1538:
1527:
1524:
1515:
1507:
1506:
1476:
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1472:
1461:
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1222:Main article:
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672:
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650:
647:
643:
642:
634:
631:
628:
624:
623:
620:
617:
614:
596:
595:
593:Market failure
590:
587:
582:
579:
576:
573:
567:
561:
558:
555:
552:
549:
544:
536:
535:
533:Market failure
530:
527:
522:
519:
516:
513:
507:
501:
498:
495:
492:
489:
484:
476:
475:
473:Market failure
470:
467:
462:
459:
456:
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450:
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421:
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284:
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267:
264:
261:
251:Comparison of
216:
213:
205:Ethernet frame
134:
133:General design
131:
86:
83:
77:. The acronym
60:prior Ethernet
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
3247:
3236:
3233:
3231:
3228:
3227:
3225:
3210:
3209:
3200:
3198:
3197:
3188:
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3110:
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3100:
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3040:
3034:
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3019:
3016:
3014:
3011:
3009:
3006:
3004:
3001:
2999:
2996:
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2917:
2916:
2914:
2912:Organizations
2910:
2904:
2901:
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2889:
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2884:
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2863:
2860:
2858:
2855:
2853:
2850:
2848:
2845:
2843:
2840:
2838:
2837:1 Gbit/s
2835:
2833:
2830:
2828:
2825:
2824:
2822:
2818:
2813:
2809:
2802:
2797:
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2240:
2237:
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2222:
2219:
2208:on 2014-07-07
2204:
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2188:
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2100:
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2027:
2026:
2022:
2020:
2013:
2011:
2004:
2002:
1995:
1993:
1987:
1985:
1983:
1978:
1971:
1969:
1967:
1958:
1956:
1954:
1949:
1947:
1943:
1939:
1935:
1934:optical fiber
1927:
1925:
1923:
1919:
1911:
1908:
1906:
1903:
1901:
1898:
1896:
1895:Line encoding
1893:
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1575:
1553:
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1513:
1508:
1503:
1499:
1495:
1491:
1487:
1481:
1480:Fast Ethernet
1477:
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1462:
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1435:
1428:
1425:
1422:
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1416:
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1242:token passing
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1024:
1020:
1017:, creating a
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841:
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831:
828:
827:
824:white/orange
822:
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798:
795:
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689:
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679:white/orange
677:
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194:Ethernet hubs
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96:
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76:
72:
67:
65:
61:
57:
54:
53:Fast Ethernet
50:
42:
38:
34:
30:
19:
3206:
3194:
3099:Transceivers
3042:Applications
2945:Twisted pair
2893:Flow control
2831:
2814:technologies
2736:. Retrieved
2732:the original
2727:
2718:
2706:. Retrieved
2702:
2693:
2681:. Retrieved
2677:
2668:
2656:. Retrieved
2649:the original
2644:
2632:
2620:. Retrieved
2615:
2606:
2595:. Retrieved
2585:
2578:
2573:
2561:. Retrieved
2556:
2544:
2532:. Retrieved
2530:. 2006-06-06
2527:
2518:
2506:. Retrieved
2502:
2493:
2481:. Retrieved
2477:
2468:
2456:. Retrieved
2452:
2443:
2432:. Retrieved
2419:
2389:. Retrieved
2376:
2365:. Retrieved
2361:the original
2337:
2328:
2317:
2305:
2294:
2285:
2276:
2267:
2261:
2250:. Retrieved
2239:
2230:
2221:
2210:. Retrieved
2203:the original
2190:
2171:
2144:
2126:
2109:
2106:IEEE Network
2105:
2099:
2068:
2063:
2043:
2017:
2008:
1999:
1996:100BASE-BX10
1991:
1988:100BASE-LX10
1979:
1975:
1962:
1950:
1931:
1915:
1889:
1877:
1861:
1845:1550 nm
1840:1310 nm
1836:
1825:100BASE-BX10
1815:
1794:
1784:1310 nm
1782:
1768:802.3ah-2004
1762:100BASE-LX10
1714:
1674:62.5/125: 4k
1620:1310 nm
1618:
1603:
1534:1300 nm
1532:
1479:
1284:Performance
1260:
1257:Fiber optics
1247:
1238:flow control
1234:
1227:
1193:
1181:
1167:
1166:
1148:
1146:
1072:
1070:
1031:
1019:star network
1004:
1000:ANSI/TIA-568
993:
980:
979:
938:white/brown
862:white/green
789:ANSI/TIA-568
779:
755:white/brown
641:white/green
606:ANSI/TIA-568
592:
570:
532:
510:
472:
400:PAM-3 4B/3B
377:802.3bw-2015
219:
218:
198:
175:
143:twisted pair
136:
126:
122:
114:
110:
106:
102:
94:
90:
88:
85:Nomenclature
78:
70:
68:
63:
52:
46:
43:, a PCI card
29:
3089:Synchronous
3064:Data center
2280:IEEE 802.3y
1966:Fabry–Pérot
1959:100BASE-LFX
1909:Media count
1905:Duplex mode
1716:850 nm
1655:Full-duplex
1604:proprietary
1598:100BASE‑LFX
1548:MIC (FDDI)
1518:802.3u-1995
1430:Transceiver
1038:symbol rate
989:full-duplex
900:white/blue
717:white/blue
547:802.12-1995
509:8B6T PAM-3
487:802.3u-1995
452:LFSR PAM-5
433:802.3y-1997
413:Cat 5e
317:802.3u-1995
287:Symbol rate
167:full-duplex
71:IEEE 802.3u
3224:Categories
3140:Interfaces
3074:Industrial
3054:Automotive
3033:Long Reach
2955:First mile
2919:IEEE 802.3
2810:family of
2597:2020-03-21
2434:2020-03-21
2391:2018-08-25
2367:2018-07-31
2252:2016-10-06
2212:2012-12-17
2055:References
2014:100BASE-ZX
2005:100BASE-EX
1972:100BASE-SX
1928:100BASE-FX
1922:1000BASE-X
1900:Wavelength
1830:phase-out
1776:phase-out
1696:100BASE-SX
1681:50/125: 4k
1607:(non IEEE)
1590:50/125: 5k
1512:100BASE‑FX
1426:Connector
1281:Introduced
1278:Fibre type
1196:1000BASE-T
1168:100BASE-T4
1163:100BASE-T4
1149:100BASE-T2
1084:100BASE-T2
1073:100BASE-T1
1060:100BASE-T1
1027:auto MDI-X
985:Category 5
981:100BASE-TX
964:100BASE-TX
585:Cat 3
525:Cat 3
481:100BASE-T4
465:Cat 3
427:100BASE-T2
371:100BASE-T1
357:Cat 5
311:100BASE-TX
245:IEEE 802.3
97:refers to
64:100BASE-TX
3028:LattisNet
3023:100BaseVG
2998:10BASE-FL
2993:10BASE-FB
2988:10BROAD36
2888:EtherType
2248:. EETimes
1982:10BASE-FL
1946:10BASE-FL
1522:(CL24/26)
1490:Line code
1486:Data rate
1417:Standard
1224:100BaseVG
1218:100BaseVG
1191:(PAM-3).
1138:100 (ESC)
551:obsolete
541:100BaseVG
491:obsolete
437:obsolete
282:Line code
263:Standard
220:100BASE-T
123:100BASE-X
119:line code
3196:Category
2971:Historic
2960:10G-EPON
2808:Ethernet
2738:21 March
2708:21 March
2683:21 March
2645:stl.tech
2593:. FS.com
2563:30 March
2534:29 March
2508:26 March
2483:26 March
2458:22 March
2338:Manualzz
2152:. Cisco.
2023:See also
1918:10BASE-F
1853:OSx: 40k
1801:OSx: 10k
1754:OM2: 300
1733:OM1: 300
1688:OSx: 40k
1626:LC (SFP)
1612:current
1526:current
996:10BASE-T
787:wiring (
604:wiring (
382:current
321:current
237:10BASE-T
155:10BASE-T
139:Ethernet
125:, where
99:baseband
3208:Commons
3059:Carrier
3008:10BASE2
3003:10BASE5
2983:StarLAN
2978:CSMA/CD
2950:Coaxial
2871:General
2658:8 April
2622:8 April
1708:legacy
1702:TIA-785
1667:OM2: 2k
1637:OM1: 2k
1583:OM1: 4k
1456:Lambdas
1420:Status
1269:(SFP).
949:−/ring
911:−/ring
873:+/ring
843:orange
835:−/ring
791:T568B)
766:−/ring
736:orange
728:−/ring
690:+/ring
652:−/ring
608:T568A)
379:(CL96)
266:Status
163:CSMA/CD
3117:XENPAK
2903:Jumbos
2898:Frames
2820:Speeds
2703:FS.com
2678:FS.com
2178:
2087:
1772:(CL58)
1704:(2000)
1474:Notes
1432:Module
1423:Media
1098:Symbol
1015:switch
957:brown
930:+/tip
919:green
892:-/tip
854:+/tip
816:+/tip
805:Color
774:brown
747:+/tip
709:-/tip
671:+/tip
660:green
633:+/tip
622:Color
350:31.25
304:Usage
298:Cable
215:Copper
18:802.3u
3172:XGMII
3084:Power
3079:Metro
3049:Audio
3018:FOIRL
2940:Fiber
2933:Media
2652:(PDF)
2641:(PDF)
2553:(PDF)
2478:Cisco
2453:Cisco
2428:(PDF)
2385:(PDF)
2314:(PDF)
2206:(PDF)
2199:(PDF)
2035:Notes
1833:fiber
1779:fiber
1711:fiber
1615:fiber
1545:MT-RJ
1529:fiber
1467:Lanes
1445:Media
1438:in m
1436:Reach
1414:Name
1208:Intel
1157:PAM-5
1091:PAM-5
1046:MLT-3
994:Like
881:blue
698:blue
569:5B6B
518:12.5
458:12.5
406:37.5
340:MLT-3
260:Name
149:in a
79:GE/FE
37:Intel
3177:XAUI
3167:GMII
3107:GBIC
2740:2020
2710:2020
2685:2020
2660:2020
2624:2020
2565:2020
2536:2020
2510:2020
2485:2020
2460:2020
2176:ISBN
2085:ISBN
2073:IEEE
1942:FDDI
1843:RX:
1838:TX:
1633:SFP
1498:NRZI
1494:4B5B
1402:2000
1388:1998
1374:2016
1360:2008
1346:2003
1329:1998
1312:1989
1295:1987
1200:3com
1184:8B6T
1054:FDDI
1042:NRZI
1034:4B5B
802:Wire
799:Pair
785:8P8C
619:Wire
616:Pair
602:8P8C
581:100
554:100
521:100
494:100
461:100
440:100
385:100
364:LAN
361:100
353:100
347:125
343:NRZI
337:4B5B
333:3.2
324:100
239:and
232:Cat3
228:Cat5
95:BASE
89:The
3162:MII
3157:MDI
3152:EAD
3147:AUI
3131:CFP
3126:XFP
3013:MAU
2296:IBM
2114:doi
2077:doi
1795:SFP
1790:LC
1726:LC
1630:SC
1502:MBd
1470:(→)
1459:(→)
1448:(⇆)
1397:SMF
1383:SMF
1369:MMF
1355:MMF
1341:MMF
1324:MMF
1307:MMF
1290:MMF
1204:IBM
1147:In
1141:+2
1133:−2
1130:011
1125:−1
1122:010
1117:+1
1114:001
1106:000
1071:In
1013:or
1011:hub
974:PCI
796:Pin
613:Pin
589:16
578:15
575:30
563:1.6
529:16
515:25
503:2.6
469:16
455:25
417:66
409:15
403:75
394:2.6
182:PHY
145:or
105:or
91:100
47:In
41:NIC
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3121:X2
2726:.
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2643:.
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2293:.
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2134:.
2110:12
2108:.
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2071:.
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1808:1
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1724:SC
1722:ST
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1641:2
1628:ST
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1562:1
1559:2
1551:—
1542:SC
1540:ST
1496:×
1492::
1482:–
1253:.
1109:0
560:4
557:4
500:3
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449:4
446:2
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