Filter
Top Products
show controllers cable-modem tuner
Configuring the Cisco uBR900 Series Cable Access Routers 107
Table 13 show controllers cable-modem tuner Field Descriptions
Related Commands
Field Description
tuner_freq Indicates the current downstream frequency.
symbol_rate Indicates the downstream symbol rate in symbols per second.
local_freq Frequency on which the transmitter and tuner communicate.
snr_estimate Signal to noise estimate in dB X 1000.
ber_estimate Bit error rate estimate (always 0).
lock_threshold Minimum signal-to-noise ratio (SNR) that the Cisco uBR900 series will accept as a valid
lock.
QAM status Indicates if QAM/FEC lock has been acquired and the modulation mode in use.
tx_freq Upstream frequency sent to the Cisco uBR900 series by the CMTS in the UCD message.
power_level Transmit power level as set in the hardware, given as a hexadecimal value. The units are
unique to the hardware used. Use the show controllers cable-modem 0 mac state
command to see the power level in dBmV.
symbol_rate
Indicates the upstream symbol rate in symbols per second that is negotiated
between the CMTS and the cable access router.
Command Description
show controllers cable-modem Displays high-level controller information about a
Cisco uBR900 series cable access router.
show controllers cable-modem bpkm Displays information about the baseline privacy key
management exchange between the Cisco uBR900 series and
the CMTS.
show controllers cable-modem des Displays information about the Data Encryption Standard
(DES) engine registers.
show controllers cable-modem filters .Displays the registers in the MAC hardware that are used for
filtering received frames.
show controllers cable-modem
lookup-table
Displays the mini-slot lookup table inside a Cisco uBR900
series.
show controllers cable-modem mac Displays detailed MAC-layer information for a Cisco uBR900
series.
show controllers cable-modem phy Displays the contents of the registers used in the downstream
physical hardware of the Cisco uBR900 series.