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canal D
comp., MS	D-channel (A separate channel of an Integrated Services Digital Network (ISDN) line that is used for ISDN signaling. For ISDN Basic Rate Interface (BRI), the D-channel is 16 kilobits per second (Kbps). For ISDN Primary Rate Interface (PRI), the D-channel is 64 Kbps)
IT	D-channel

canal D: 4 phrases in 2 subjects

Communications	3
Electronics	1