Enter File Size
Enter a file size and click Kbytes or
Mbytes:
Standard Modem Speeds
9600
bps modem
9600 bps or 1200
bytes/sec
hr
min
sec
14.4K
modem
14,400 bps or 1800 bytes/sec
hr
min
sec
19.2K modem
19,200 bps or 2400
bytes/sec
hr
min
sec
28.8K
modem
28,800 bps or 3600 bytes/sec
hr
min
sec
33.6K modem
33,600 bps or 4200
bytes/sec
hr
min
sec
56K modem
57,600 bps or 7200 bytes/sec
hr
min
sec
High-Speed Copper: ISDN, DSL, Digital
Signal, Trunk
64K ISDN, DS-0
Digital Signal Level 0 –
1 channel (1/24 of T1) 64 Kbps or 8 Kbytes/sec
hr
min
sec
128K
ISDN/DSL
128 Kbps or 16 Kbytes/sec
hr
min
sec
256K DSL
256 Kbps or 32
Kbytes/sec
hr
min
sec
512K DSL
512 Kbps or 64 Kbytes/sec
hr
min
sec
640K DSL
640 Kbps or 81.9
Kbytes/sec
hr
min
sec
1M DSL
1 Mbps or 128 Kbytes/sec
hr
min
sec
1.5M DSL, Cable Modem DS-1, T1
Digital Signal Level 1 –
24 channels (1xT1) 1.544 Mbps or 192 Kbytes/sec
hr
min
sec
DS-2, T2
Digital Signal Level 2 – 96 channels
(4xT1) 6.312 Mbps or 768 Kbytes/sec
hr
min
sec
DS-3, T3
Digital Signal Level 3 –
672 channels (28xT1) 44.736 Mbps or 5,592 Kbytes/sec
hr
min
sec
DS-4, T4
Digital Signal Level 4 – 4032 channels
(168xT1) 274.176 Mbps or 34,272 Kbytes/sec
hr
min
sec
Fiber Optic: Optical
Carrier
OC-1c
Optical Carrier Level 1
– 672 voice circuits (1 DS-3) 51.840 Mbps or 6,480
Kbytes/sec
hr
min
sec
OC-3c
Optical Carrier Level 3 – 2,016 voice
circuits (3 DS-3) 155.520 Mbps or 19,440 Kbytes/sec
hr
min
sec
OC-9c
Optical Carrier Level 9
– 6,048 voice circuits (9 DS-3) 466.560 Mbps or 58,320
Kbytes/sec
hr
min
sec
OC-12c
Optical Carrier Level 12 – 8,064 voice
circuits (12 DS-3) 622.080 Mbps (77,760 Kbytes/sec)
hr
min
sec
OC-18c
Optical Carrier Level 18
– 12,096 voice circuits (18 DS-3) 933.120 Mbps or 116,640
Kbytes/sec
hr
min
sec
OC-24c
Optical Carrier Level 24 – 16,128 voice
circuits (24 DS-3) 1.244 Gbps or 1244.16 Mbps
hr
min
sec
OC-36c
Optical Carrier Level 36
– 24,192 voice circuits (36 DS-3) 1.866 Gbps or 1866.24
Mbps
hr
min
sec
Fiber Optic: Optical Carrier,
Fiberless Optic/Laser
OC-48c
Optical Carrier Level 48
– 32,256 voice circuits (48 DS-3) 2.488 Gbps or 2488.32
Mbps
hr
min
sec
OC-192c
Optical Carrier Level 192 – 129,024
voice circuits (192 DS-3) 9.953 Gbps or 9953.28 Mbps
hr
min
sec
OC-768
Optical Carrier Level
768 – 516,096 voice circuits (768 DS-3) 39.813 Gbps or ~40000
Mbps
hr
min
sec
OC-3072
Optical Carrier Level 3072 – 2,064,384
voice circuits (3072 DS-3) 159.252 Gbps or 160000 Mbps
(20,000,000,000 bytes per second)
hr
min
sec
Terabit
Optical Networks: Dense Wave Division Multiplexing (DWDM)
DWDM - 10.9 Tbps
Dense Wave Division
Multiplexing – multiple data signals carried on different
wavelengths of light (10.900 Tbps or 10900000 Mbps)
hr
min
sec