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D/I |
Drop and Insert |
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D3 |
Third generation channel bank |
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D4 |
Fourth generation channel bank |
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DACS |
Digital Access and Cross Connect |
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DACS |
Digital Access Carrier System |
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DAN |
Dance All Night |
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DATV |
Direct Airside Transit Visa |
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DAVIC |
Digital Audio Video Council |
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DB |
Dial Back |
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DBN |
Dial-Back Number |
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DBRN |
dB relative to noise |
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DBRNC |
dB relative to noise (C-Notch or C-Message) |
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DBS |
Direct Broadcast Satellite |
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DC |
Disconnected |
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DCAS |
Downloadable Conditional Access System |
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DCAT |
DSL Customer Advocacy Team |
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DCB |
Digital Channel Bank |
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DCC |
Data Communications Channel |
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DCCX |
Direct Circuit Control Exchange |
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DCD |
Data Carrier Detect |
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DCE |
Data Circuit Terminating Equipment |
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DCE |
Data Communications Equipment |
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DCEF |
Distributed Cisco Express Forwarding |
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DCF |
Distributed Coordination Function |
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DCH |
Discrete Channel |
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