5.2. Messages and Commands
During a handshake session, the DSL modems at each end of the line exchange messages to negotiate the configuration of the DSL communication session. There are fourteen message types defined in G.994.1. The list below contains a summary of ten basic messages; note that some of the messages have different types associated with them, hence the total of fourteen messages overall.
CL—Capabilities List: The central office unit (xTU-C) sends this message, and it contains a list of possible modes of operation that it can support.
CLR—Capabilities List and Request: The remote or customer premises unit (XTU-R) sends this message to the central office unit. This message contains a list of the possible modes of operation that ...
Get DSL Advances now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
