D channel
id:
d-channel-221-4391025
title:
D channel
text:
D channel is a telecommunications term which refers to the ISDN channel in which the control and signalling information is carried. The bit rate of the D channel of a basic rate interface is 16 kbit/s, whereas it amounts to 64 kbit/s on a primary rate interface. For DSS1 signalling, the D channel layer 2 protocol is Q.921 also called LAPD and it carries Layer 3 messages according to Q.931 protocol.
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/D_channel
date created:
2004-03-12T15:19:21Z
date modified:
2024-09-13T23:10:32Z
main entity:
{"identifier":"Q1151301","url":"https://www.wikidata.org/entity/Q1151301"}
image:
fields total:
13
integrity:
14