Definitions

Approx

Bandwidth

General Description

1000Base-CX

1.000G

25 meters 2-pair 150 ohms STP, Gigabit Ethernet, copper cable.

1000Base-F

1.000G

Gigabit Ethernet with Fiber optic Cable.

1000Base-LX

1.000G

550 meters Gigabit Ethernet, long wavelength laser transmitters, fiber optic cable.

1000Base-SX

1.000G

5000 meters Gigabit Ethernet, short wavelength laser transmitters with fiber optic cable.

1000Base-T

1.000G

100 meters Gigabit Ethernet, four pairs of 100-ohm Cat5 or better cable

1000Base-X

1.000G

Gigabit Ethernet, with twisted pair cable.

100Base-F

100.000M

Fast Ethernet with Fiber optic Cable.

100Base-T

100.000M

100 meters, Fast Ethernet (Unshielded Twisted Pair) Cat5

100Base-T2

100.000M

Fast Ethernet (2-pairs of normal-quality twisted-pair wire) Cat3

100Base-T4

100.000M

100 meters Fast Ethernet (4-pairs of normal-quality twisted-pair wire) Cat3

100Base-TX

100.000M

220 meters, Fast Ethernet (Unshielded Twisted Pair) Cat5

100VG-AnyLAN

100.000M

200 meters, Voice Grade Cat3+ on Any LAN, By Hewlet Packard

10Base-2

10.000M

185 meters, (Cheapernet) Thin Net Ethernet 50 ohms ((Thin Coaxial)

10Base-5

10.000M

500 meters, Thick Net Ethernet 50 ohms (Thick Coaxial)

10Base-F

10.000M

2000 meters, (fiber optic)

10Base-T

10.000M

100 meters, Ethernet (Unshielded Twisted Pair) Cat3

10Broad36

10.000M

3600 meters, Ethernet specification using broadband coaxial (CATV) cable.

14,400 baud

14.4K

V.32bis Modem, V.17 fax

1Base5

1.000M

250 Meters Two pairs of twisted telephone cable.

2,400 baud

2.4K

3rd Modem speed

28,800 baud

28.8K

V.34, Rockwell V.Fast Modems

33,600 baud

33.6K

Maximum data transmission rate with copper telephone wires.

9,600 baud

9.6K

4th Modem speed

ADSL

8.000M

Asymmetric DSL, sends at 1.500M, receives at 8.000M

ARCnet

2.500M

Attached Resource Computer Network By: Datapoint.

ARCnet Plus

20.000M

Attached Resource Computer Network By: Datapoint.

ATM

622.000M

Asynchronous Transfer Mode

ATM-25

25.600M

Asynchronous Transfer Mode, uses fixed length packets called cells.

Bell 212a

1.2K

Synchronous - asynchronous data transmission, full-duplex operation, 2-wires.

B-ISDN

1.500M

Broadband Integrated Services Digital Network

CANTAT-3

5.000G

Cable to Nova Scotia via Iceland & Faroes, Northern England, Denmark & Germany.

Cat1

1.2K

Basic telephone wire, Voice Only

Cat2

4.000M

1Mhz Used for Apple computer's LocalTalk

Cat3

10.000M

16MHz Voice Grade twisted-pair wire.

Cat4

20.000M

20MHz Twisted-pair wire, Token Ring

Cat5

100.000M

100MHz, Unshielded twisted-pair wire, Fast Ethernet

Cat6

2.400G

250MHz, Cable standards under development

Cat7

100.000M

600Mhz, Unshielded twisted-pair wire (standard pending)

Category 1

1.2K

Basic telephone wire, Voice Only

Category 2

4.000M

1Mhz Used for Apple computer's LocalTalk

Category 3

10.000M

16MHz Voice Grade twisted-pair wire.

Category 4

20.000M

20MHz Twisted-pair wire, Token Ring

Category 5

100.000M

100MHz, Unshielded 4 twisted-pair wire, Fast Ethernet, RJ-45 connector.

Category 6

2.400G

250MHz, Cable standards under development

Category 7

100.000M

600Mhz, Unshielded twisted-pair wire (standard pending)

CDDI

100.000M

Copper Data Distribution Interface, the copper version of FDDI

DECnet PhaseIV

10.000M

First released by Digital in 1983 for its VMS and RSX-11 systems.

DS-0

64.0K

Digital Signal Level 0, 1 Channel (1/24 of T1)

DS-1

1.544M

Digital Signal Level 1, 24 Channels (1xT1)

DS-1c

3.152M

Digital Signal Level 1c, 48 Channels (2xT1)

DS-2

6.312M

Digital Signal Level 2, 96 Channels (4xT1)

DS-3

44.736M

Digital Signal Level 3, 672 Channels (28xT1)

DS-3c

89.472M

Digital Signal Level 3c, 1344 Channels (56xT1)

DS-3d

135.000M

Digital Signal Level 3d, (87xT1) By: AT&T

DS-4

274.176M

Digital Signal Level 4, 4032 Channels (168xT1)

DWDM

2.56T

2500 miles, 64-channel Dense Wave Division Multiplexing. By: Bell Labs

E-0

64.0K

1 Channel, Europe & Japan

E-1

2.048M

30 Channels, Europe & Japan, 1.920M usable

E-2

8.448M

120 Channels, Europe & Japan

E-3

34.368M

480 Channels, Europe & Japan

E-4

139.264M

1920 Channels, Europe & Japan

E-5

565.148M

7680 Channels, Europe & Japan

EDGE

384.0K

Enhanced Data GSM Environment. Global System for Mobile (GSM) wireless service.

EIDE

16.600M

Enhanced Integrated Drive Electronics

EISA

33.000M

Extended Industry Standard Architecture

Ethernet

1.000G

10M to 1000M By: Xerox Corp.

Euro ISDN-PRI

2.048M

Primary Rate Interface 30x64K B-channels, 1x64K D-channel on E1, 30B+D

Euro-ISDN

144.0K

128K usable. Allows full transparent interworking between all European countries

FDDI

100.000M

Fiber Distributed Data Interface, uses a token ring protocol.

FibreChannel

125.000M

Fiber optic-based, computer peripheral architecture.

FLAG

5.300G

Fiber-optic Link Around the Globe, 27,300km linking Great Britain and Japan.

G.lite

1.500M

18000 feet Asymmetric Digital Subscriber Line, sends at 512K, receives at 1.5M

GeoPort

28.8K

A serial port for Apples that provides interface between telephone and computer

GPRS

114.0K

General Packet Radio Service, RF in space (wireless)

HDSL

1.544M

12000 ft, High bit-rate DSL, sends at 2.048M, receives at 1.544M

HIPPI-PH

1.600G

High-Performance Parallel Interface physical layer

HSCSD

57.6K

High Speed Circuit Switched Data, (wireless)

HSSI

53.000M

50 ft, High-Speed Serial Interface

IDSL

1.500M

18000 ft, DSL over ISDN, sends 64K-1.5M, receives 1.5-9M

IrDA

4.000M

Infrared Data Association, wireless communication standard

ISDN-BRI

128.0K

BRI (Basic Rate Interface) 2x64K B-channels, 1x64K D-channel

ISDN-PRI

1.544M

Primary Rate Interface 23x64K B-channels, 1x64K D-channel on T1, 23B+D

ITU V.22

1.2K

Standard protocol for transmitting data on telephone lines

ITU V.22bis

2.4K

Standard protocol for transmitting data with telephone lines.

ITU V.29

9.6K

Standard protocol for transmitting data with telephone lines

ITU V.32

9.6K

Standard protocol for transmitting data with telephone lines

ITU V.32bis

14.4K

Standard protocol for transmitting data with telephone lines

ITU V.34 (V.fast)

36.6K

Standard protocol for transmitting data with telephone lines

ITU V.90

56.0K

Standard protocol for transmitting data with telephone lines

J-0

64.0K

1 Channel, Japanese

J-1

1.544M

24 Channels, Japanese

J-1c

3.152M

48 Channels, Japanese

J-2

6.312M

96 Channels, Japanese

J-3

32.064M

480 Channels, Japanese

J-3c

97.728M

1440 Channels, Japanese

J-4

97.200M

5760 Channels, Japanese

K56flex

48.0K

V.90, Proprietary protocol By: Lucent Technologies

Modem, Analog

48.0K

Modulator Demodulator, sends at 33.6K, receives at 48K

Modem, Cable

1.500M

Sends at 3M, receives at 1.5M.

Modem, Digital

56.0K

Modulator Demodulator, sends at 56K, receives at 56K

Modem, Null

115.2K

Special cable allowing two computers to communicate with RS-232 ports.

N-ISDN

64.0K

Narrowband Integrated Services Digital Network

OC-12c

622.080M

15000 meters Optical Carrier Level 12, fiber optic, 8064 Voice Circuits

OC-18c

933.120M

Optical Carrier Level 18, fiber optic, 12096 Voice Circuits

OC-192c

9.953G

Optical Carrier Level 192, fiber optic, 129024 Voice Circuits

OC-1c

51.840M

Optical Carrier Level 1, fiber optic, 672 Voice Circuits

OC-24c

1.244G

Optical Carrier Level 24, fiber optic, 16128 Voice Circuits

OC-256

13.271G

Optical Carrier Level 256, fiber optic, 172032 Voice Circuits

OC-3072

159.252G

Optical Carrier Level 3072, fiber optic, 2064384 Voice Circuits

OC-36c

1.866G

Optical Carrier Level 36, fiber optic, 24192 Voice Circuits

OC-3c

155.520M

Optical Carrier Level 3, fiber optic, 2016 Voice Circuits

OC-48c

2.488G

Optical Carrier Level 48, fiber optic, 32256 Voice Circuits

OC-768

39.813G

Optical Carrier Level 768, fiber optic, 516096 Voice Circuits

OC-96c

4.976G

Optical Carrier Level 96, fiber optic, 64512 Voice Circuits

OC-9c

466.560M

Optical Carrier Level 9, fiber optic, 6048 Voice Circuits

OX16C952

3.000M

The newest and fastest PC UART, the deepest FIFOs 128-byte buffer.

POTS

1.2K

Plain Old Telephone Service, the first commercial telephones

QuickRing

1.700G

A high speed point-to-point data transfer architecture from Apple

RS-232

20.0K

50ft, Serial Port, single-ended data transmission

RS-366

20.0K

Uses RS-232 electrical specs, different connector pinouts and signal functions.

RS-422a

10.000M

4000ft, Differential Data Transmission (Apple)

RS-423

100.0K

4000ft, Single-ended data transmission

RS-449

2.000M

1km, Serial binary data interchange

RS-485

10.000M

4000ft, Balanced line interface, 2-wire, half-duplex, differential.

RS-530

10.000M

30km, Fiber optic Point to Point

Satellite Dish

400.0K

RF in space, wireless WAN, sends at 33.6K, receives at 400K

SciNet

2.325G

fiber optic, part of the vBNS backbone

SDSL

1.544M

12000 ft, Symmetric DSL, sends at 2.048M, receives at 1.544M

SONET

2.488G

Synchronous Optical NETwork-Designed by the telcos.

StarLAN

1.000M

250 Meters Two pairs of twisted telephone cable.

STM-1

155.520M

Synchronous Transport Module, Level 1

STM-16

2,488G

Synchronous Transport Module, Level 16

STM-3

466.560M

Synchronous Transport Module, Level 3

STM-4

622.080M

Synchronous Transport Module, Level 4

STS-12c

622.080M

Synchronous Transport Signal, Level 12

STS-1c

51.840M

Synchronous Transport Signal, Level 1

STS-3c

155.520M

Synchronous Transport Signal, Level 3

STS-48c

2,488G

Synchronous Transport Signal, Level 48

STS-9c

466.560M

Synchronous Transport Signal, Level 9

T-1

1.544M

Trunk Level 1, 24 Channels (1xT1) Time-Division Multiplexing By: AT&T

T-1c

3.152M

Trunk Level 1c, 48 Channels (2xT1) Time-Division Multiplexing By: AT&T

T-2

6.312M

Trunk Level 2, 96 Channels (4xT1) Time-Division Multiplexing By: AT&T

T-3

44.736M

Trunk Level 3, 672 Channels (28xT1) Time-Division Multiplexing By: AT&T

T-3c

89.472M

Trunk Level 3c, 1344 Channels (56xT1) Time-Division Multiplexing By: AT&T

T-3d

135.000M

Trunk Level 3d, (87xT1) Time-Division Multiplexing By: AT&T

T-4

274.176M

Trunk Level 4, 4032 Channels (168xT1) Time-Division Multiplexing By: AT&T

TAT-10

565.000M

Fiber optic cable network, links United States with Germany and The Netherlands.

TAT-11

565.000M

France Telecom, fiber optic cable network from Manahawkin to England and France.

TAT-12

565.000M

1st Fiber optic cable network to operate as a fully backed-up "self-healing" cable loop.

TAT-13

565.000M

2nd Fiber optic cable network to operate as a fully backed-up "self-healing" cable loop.

TAT-14

640.000G

France Telecom, fiber optic cable network spans 15,428 kilometers.

TAT-8

565.000M

Fiber optic cable network laid from Tuckerton NJ to England and France.

TAT-9

565.000M

Fiber optic cable network laid from North America to Europe.

Token Ring

16.000M

LAN, a type of computer network By: IBM

TPC-4

560.000M

Trans-Pacific Cable 4, Vancouver Island &