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European hierarchy, each digroup supports 15 PCM channels or their equivalent in other services. The DS1 line rate (2 digroups plus overhead bits) is 2.048 Mbit/s, supporting 30 voice channels or their equivalent in other services.
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rate (2 digroups plus overhead bits) is 1.544 Mbit/s, supporting 24 voice channels or their equivalent in other services.
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hierarchies may be implemented in many different configurations depending on; (a) the number of channels desired, (b) the
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digital hierarchies, each digroup supports 12 PCM voice channels or their equivalent in other services. The DS1
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In the design of digital multiplex hierarchies, care must be exercised to ensure
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Some currently available digital multiplexers have been designated as
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Weik, Martin H. (2000). "digital multiplex hierarchy".
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is a hierarchy consisting of an ordered repetition of
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210:Bissell, Chris; Chapman, David (5 June 2012).
158:Computer Science and Communications Dictionary
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31:that produce signals of successively higher
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75:of the multiplexers used in the hierarchy.
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212:"8 - Digital transmission hierarchies"
35:rates at each level of the hierarchy.
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100:In the North American and Japanese
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255: This article incorporates
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126:Plesiochronous digital hierarchy
268:General Services Administration
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131:Synchronous digital hierarchy
228:10.1017/CBO9781139172547.012
216:Digital Signal Transmission
22:digital multiplex hierarchy
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220:Cambridge University Press
64:, all of which operate at
49:to be used, and (c) the
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263:Federal Standard 1037C
257:public domain material
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179:10.1007/1-4020-0613-6
62:Dl-, DS-, or M-series
55:communications media
29:digital multiplexers
171:Springer Publishing
18:telecommunications
188:978-0-387-33556-8
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222:: 263–285.
137:References
113:E-carrier
102:T-carrier
95:telephony
66:T-carrier
44:signaling
289:Category
197:38594618
120:See also
51:bit rate
38:Digital
111:In the
89:digital
84:Digroup
79:Digroup
68:rates.
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163:Boston
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