Gigabit Ethernet

(redirected from 1000BaseT)
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Gigabit Ethernet

An Ethernet standard that transmits at 1 gigabit per second. Gigabit Ethernet (GbE, GE) connects PCs and servers in local networks and is commonly employed along with a mix of 10/100 Mbps devices. For example, a 10/100/1000 switch supports all three rates and adjusts to the highest speed between sender and receiver. All new computers and most network devices support Gigabit Ethernet.

GbE transmits full duplex from point to point using Ethernet switches and half duplex in a shared Ethernet hub environment (see CSMA/CD).

IEEE 1000Base-T (802.3ab)
The 1997 standard (IEEE 802.3z) required multimode fiber or shielded copper cables, but two years later, 1000Base-T enabled GbE to run on ordinary Cat 5 copper and be readily used in existing networks. Four wire pairs each transmit 250 Mbps in both directions.

TIA 1000Base-TX
A competing standard created by the TIA that never caught on used simpler electronics but required Cat 6 cabling. However, 1000Base-T is often erroneously labeled 1000Base-TX. See Ethernet and 10 Gigabit Ethernet.

COPPER CABLEEncoding   Cable  RangeStandard     Method     Type  (meters)1000Base-T802.3ab      4D-PAM5  Cat5-UTP  100

   1000Base-TXTIA/EIA-854  4D-PAM5  Cat6-UTP  100

   1000Base-CX802.3z       8B/10B   Cat1-STP   25


   OPTICAL CABLE (8B/10B Encoding)Fiber            ModalDiameter       Bandwidth   Range(microns)      (MHz-km)   (meters)1000Base-SX 802.3z
   62.5 multimode   160        220
   62.5 multimode   200        275
   50 multimode     400        500
   50 multimode     500        550

   1000Base-LX802.3z
   62.5 multimode   500        550
   50 multimode     400        500
   50 multimode     500        550
    9 singlemode    ---       5000
References in periodicals archive ?
The CISPR 22-based coupling/decoupling network is suitable for use with applications using up to 1000BaseT operation, Power over Ethernet (PoE) and immunity tests of office, telecom and networking equipment according to IEC 61000-4-6.
IMAP ECHNLOGIAS ETHERNET Velocidad de Tipo Distancia Technologia Transimision de cable maxima 10Base2 10 Mbps coaxial 185 m 10BaseT 10 Mbps par trenzado 100 m 10BaseF 10 Mbps fibra optica 2000 m 100BaseT4 100Mbps par trenzado (categoria 3UTP) 100 m 100BaseTX 100Mbps par trenzado (categoria 3UTP) 100 m 100BaseFX 100Mbps fibra optica 2000 m 1000BaseT 1000Mbps 4 pares trenzado 100 m (categoria 5UTP) 1000BaseSX 1000Mbps fibra optica (multimodo) 550 m 1000BaseLX 1000Mbps fibra optica (monomodo) 5000 m
Power Sum and extreme version meet or exceed the latest industry standards, and GigaMax models with black strain-relief boots meet TIA-EIA TSP-95 guidelines for supporting 1000BaseT applications.
The switches are interconnected and configured by the SBB as components of SBB to a managed 1000baseT (GE) network.
Our cPCI backplanes adhere to the PICMG 2.0 Revision 3 standard, and we have an eight-slot backplane for the PICMG 2.16 1000BaseT packet switched bus." Engineers involved with prototypes and development work can buy uncommitted backplanes that let them wire board-to-board connections as needed.
The first switch, the VH-2402-L3 is a wire speed fixed configuration Layer 3 Ethernet switch providing 24 RJ45 ports of wire speed 10/100BaseTX connectivity and one option slot for 1000BaseSX/LX or 1000BaseT uplink modules.
PRINCIPALES CARACTERISTICAS Puerto RJ45 de bajo perfil, negociacion de velocidad a 10, 100 o 1000Mbps, soporta cableado UTP categoria 5 (10BaseT) y 5e (100BaseTX y 1000BaseT), hot swap, ultrabajo consumo de energia, indicadores LED para diagnostico