ds
6 ResultsDictionary
DS
(1) See Nintendo DS. (2) (Digital Signal) A classification of digital circuits. The DS technically refers to the rate and format of the signal, while the T designation refers to the equipment...
Dictionary
Definition: DS
(1) See Nintendo DS.
(2) (Digital Signal) A classification of digital circuits. The DS technically refers to the rate and format of the signal, while the T designation refers to the equipment providing the signals. In practice, "DS" and "T" are used synonymously; for example, DS1 and T1, DS3 and T3. See OC.
NORTH AMERICA, JAPAN, KOREA, ETC.
Voice
Service Channels Speed
DS0 1 64 Kbps
DS1 24 1.544 Mbps (T1)
DS1C 48 3.152 Mbps (T1C)
DS2 96 6.312 Mbps (T2)
DS3 672 44.736 Mbps (T3)
DS4 4032 274.176 Mbps (T4)
EUROPE (ITU)
Voice Speed
Service Channels (Mbps)
E1 30 2.048
E2 120 8.448
E3 480 34.368
E4 1920 139.264
E5 7680 565.148
SONET CIRCUITS
Optical Electrical Speed
Channel Channel (Mbps)
OC-1 STS-1 51.84
OC-3 STS-3 155.52
OC-3c STS-3c 155.52
OC-12 STS-12 622.08
OC-12c STS-12c 622.08
OC-48 STS-48 2488.32
OC-192 STS-192 9953.28
OC-768 STS-768 39813.12
OC = Optical Carrier
STS = Synchronous Transport Signal
c = concatenated
THIS DEFINITION IS FOR PERSONAL USE ONLY
All other reproduction is strictly prohibited without permission from the publisher.
© 1981-2010 The Computer Language Company Inc. All rights reserved.
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