* Martindale's * The Reference Desk *
Note: 'Cable Modem' speeds vary
between 64 Kbps & 2 Mbps depending on service
Enter file size:  
Wireless CDPD 9.6 hours minutes seconds
14,400 bps hours minutes seconds
Wireless GSM 19.2 hours minutes seconds
28,800 bps hours minutes seconds
33,600 bps hours minutes seconds
56 Kbps hours minutes seconds
64K ISDN hours minutes seconds
128K ISDN hours minutes seconds
Wireless 144K hours minutes seconds
640K-DSL hours minutes seconds
Bluetooth 728K hours minutes seconds
Digital Powerline hours minutes seconds
T1/DS1, 1.5-DSL hours minutes seconds
Wireless 2.4M hours minutes seconds
T2/DS2 hours minutes seconds
Satellite hours minutes seconds
Trans-European hours minutes seconds
Ultraband Cable hours minutes seconds
T3/DS3 hours minutes seconds
T4/DS4 hours minutes seconds
Fiber Optics
OC-1 hours minutes seconds
OC-3 hours minutes seconds
OC-9 hours minutes seconds
OC-12 hours minutes seconds
OC-18 hours minutes seconds
OC-24 hours minutes seconds
OC-36 hours minutes seconds
Fiber Optics
Fiberless Optics/Laser
OC-48 hours minutes seconds
OC-192 hours minutes seconds
OC-768 hours minutes seconds
OC-3072 hours minutes seconds
DWDM - 10Tbps hours minutes seconds
Shortened Explanation of Terms

Bandwidth (8 bits = 1 byte)


Digital Powerline (DPL)

(For more information see Intelogis or HomePlug Powerline Alliance)
1.06496 Mbps (133,120 bytes per second)


T1, DS-1 or 1.5-DSL

(For definition see WorldCom's Dictionary T-1)
(or the T-1 Organization)

1.536 Mbps (192,000 bytes per second)


Wireless 2.4M

(For more information see Qualcomm)

2.400 Mbps (300,000 bytes per second)


T2 or DS-2

(For definition see WorldCom's Dictionary T-2)

6.144 Mbps (768,000 bytes per second)


Satellite - Commerical

24.00256 Mbps (3,000,320 bytes per second)


Trans-European TEN-34

34.08 Mbps (4,250,000 bytes per second)


Ultraband Cable

(For more information see Advent Networks)

40.0 Mbps (5,000,000 bytes per second)


T3 or DS-3

(For definition see WorldCom's Dictionary T-3)

44.736 Mbps (5,592,000 bytes per second)


T4 or DS-4

(For definition see WorldCom's Dictionary T-4)

274.176 Mbps (34,272,000 bytes per second)


OPTICAL CARRIER

Fiber Optics

For Optical Carrier (OC-1 thru OC-192) Definition see
WorldCom's Communications Library Definition

OC-1

(1 DS-3, 28 DS-1, 672 DS-0)
51.84 Mbps (6,480,000 bytes per second)


OC-3

(3 DS-3, 84 DS-1, 2016 DS-0)
155.52 Mbps (19,440,000 bytes per second)


OC-9

(9 DS-3, 252 DS-1, 6048 DS-0)
466.56 Mbps (58,320,000 bytes per second)


OC-12

(2 DS-3, 336 DS-1, 8064 DS-0)
622.08 Mbps (77,760,000 bytes per second)


OC-18

(18 DS-3, 504 DS-1, 12096 DS-0)
933.12 Mbps (116,640,000 bytes per second)


Gigabit Optical Networks


OC-28

(4 DS-3, 672 DS-1, 16.128 DS-0)
1.244 Gbps or 1244.16 Mbps (155,520,000 bytes per second)


OC-36

(36 DS-3, 1008 DS-1, 24,192 DS-0)
1.866 Gbps or 1866.24 Mbps (233,280,000 bytes per second)


Fiber Optics, Fiberless Optics/Laser

For more information on Fiberless Optics/Lasers see
Ciena, Cisco, Corning, Corvis, CyOptics,
JDS Uniphase, Juniper Networks, Lucent, Nortel,
Optical Micro-Machines, Quest, Siemens,
Sycamore Networks, TeraBeam etc.


OC-48

(344 DS-1, 32,256 DS-0)
2.488 Gbps or 2488.32 Mbps (311,000,000 bytes per second)


OC-192

(192 DS-3, 5376 DS-1,129,024 DS-0)
9.953 Gbps or 9953.28 Mbps (1,244,000,000 bytes per second)


OC-768

40 Gbps or 40000 Mbps (5,000,000,000 bytes per second)


OC-3072
160 Gbps or 160000 Mbps (20,000,000,000 bytes per second)



Terabit Optical Networks


DWDM
Dense Wave Division Multiplexing

10 Tbps or 10400000 Mbps (1,300,000,000,000 bytes per second)


Petaflops (1015)

For more information see

NCO's Year 2002 Blue Book


Fastest Supercomputers
Teraflops (1012)

For more information see

TOP500 Supercomputer Sites



Back or Continue to

The Reference Desk

Calculators On-Line Center




Jim Martindale (jimmartindale-1@lycos.com)
Copyright © 1994-2002, All Rights Reserved, Jim Martindale