
©2014 RFL Electronics Inc.
Solutions for an evolving world.
©2014 RFL Electronics Inc.
Solutions for an evolving world.
NORTH AMERICAN ELECTRICAL
DIGITAL HIERARCHY
CHANNEL BIT RATE COMPOSITION
DS3 * 44.736 Mbps 28 DS1 (672 voice channels)
DS2 6.312 Mbps 4 DS1 (96 voice channels)
DS1C 3.152 Mbps 2 DS1 (48 voice channels)
DS1 1.544 Mbps 24 DS0 (24 voice channels)
DS0 64 Kbps DS0 (1 voice channel)
* - DS3 is the same as OC1 or SONET.
OC3 = 3 * DS3 = 84 T1 circuits!
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