Telecom Hardware White Papers
Introduction to MFC-R2 Signaling
Overview
This section is intended to help readers who are not familiar with the Multifrequency Compelled R2 Signal-
ing System (MFC-R2). Refer to ITU-T Q.400 Series for detailed information.
1.1 Line Signals, Digital Version (defined in
ITU-T Q.421) Line signals are the ABCD bits of Channel Associated
Signaling (CAS)in timeslot 16, which represent the states of the line. They are similar to the states of an
analog line. Each bit has a meaning,but bits C and D are rarely used in the real world, and they are left constant (national variant dependant).
| Publisher | Sunrise Telecom, Inc. | File Format | PDF, requires Acrobat Rdr 5 |
|---|---|---|---|
| Date Published | March 2001 | Downloads | 1558 |
| Format | White Papers | ||
| Topics | |||
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