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ADC Telecommunications, Inc.
436 C
HAPTER 19: MANAGING CABLE MODEMS
Timing Timing Offset. A measure of the current
round-trip time for this cable modem.
Timing Offset is used for timing cable
modem upstream transmissions to ensure
synchronized arrivals at the CMTS. Units are
in terms of (6.25 microseconds/64). A value
of zero is returned if the time is unknown.
Modem State Current cable modem connectivity state
specified in the DOCSIS 1.0 and 1.1 RF
Interface Specifications. Returned status
information is the cable modem status as
assumed by the CMTS. The possible status
values include:
InitRngRcvd: The CMTS received an Initial
Ranging Request message from the cable
modem and the ranging process is not yet
complete.
Ranging: The modem is in the process of
ranging.
RangingComplete: The CMTS sent a Range
Response (success) message to the cable
modem.
DhcpDiscRcvd: The CMTS has received a
DHCP Discover message from the cable
modem.
DhcpReqRcvd: The CMTS has received a
DHCP Request from the cable modem.
TimeReqRcvd: The CMTS has received a
Time Request.