Motorola BSR 2000, Configuration And Management Manual

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Release 1.0 Configuring the CMTS
526360-001-00 Rev. B MGBI 6-23
For a DOCSIS 2.0 2:8 CMTS Module, four logical channels are available on each
physical upstream port. The kinds of channel types that can be assigned to each
logical channel on a single upstream physical port of a 2:8 DOCSIS 2.0 CMTS
Module are listed in
Table 6-4 .
BSR 2000 Software Support for DOCSIS 2.0
DOCSIS 2.0 is supported by BSR 2000 Release 1.0 and later as follows:
■
The default channel type for all Primary (or Standby) DOCSIS 2.0 2:8 CMTS
Module logical channels is TDMA.
■
The default channel type for all CMTS modules other than the Primary and
Standby DOCSIS 2.0 2:8 CMTS Module is TDMA.
■
The S-CDMA DOCSIS 2.0 channel type can be assigned only to logical channels
0 and 1.
■
TDMA and S-CDMA channel types can co-exist in the same MAC domain on a
2:8 DOCSIS 2.0 CMTS Module.
■
A 6.4 Mhz channel width can only be used with A-TDMA and S-CDMA channel
types.
Table 6-4 Channel Types that can be Assigned to Logical Channels
Physical
Upstream
Port
Logical Channel Number Supported Channel Types
0 S-CDMA, A-TDMA, MTDMA,
TDMA
1 S-CDMA, A-TDMA, MTDMA,
TDMA
2 A-TDMA, MTDMA, TDMA
3 A-TDMA, MTDMA, TDMA