Gigabit Ethernet

(redirected from 1000Base-TX)

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

   62.5 multimode   500        550
   50 multimode     400        500
   50 multimode     500        550
    9 singlemode    ---       5000
References in periodicals archive ?
In the first step of the process SEWD decided to use Fiber Media Converters to connect remote servers, over 2000 feet of fiber-optic cables, to a 1000Base-TX Switch in the main server room.
A range of user configurations with densities from 24 to 96 ports of 10/100Base-TX plus built-in Gigabit Ethernet -- Integrated (no additional cost) 1000Base-TX ports matched to 1000Base-X (mini-GBIC) slots that provide Foundry's patent pending Safe-T-Link(TM) technology for uplink redundancy -- JetScope(TM) -- Illuminating the network for better traffic insight, management, and control using sFlow (RFC3176) -- Multiple levels of hardware and software reliability previously available on core modular chassis-based products -- Foundry's IronWare(TM)award-winning suite of Layer 2 switching and full multi-protocol Layer 3 routing capabilities
The first Gigabit Ethernet switch in a 6U compactPCI form factor, the switchUp 8G is an 8-port non-blocking, fully managed switch with eight 1000Base-TX ports accessible through the rear transition board.