Cisco UBR924 - uBR 924 Router Troubleshooting Tips page 57

Table 9
Field
tuner_freq
symbol_rate
local_freq
snr_estimate
ber_estimate
lock_threshold
QAM status
tx_freq
power_level
symbol_rate
Related Commands
Command
show controllers cable-modem
show controllers cable-modem bpkm
show controllers cable-modem des
show controllers cable-modem filters
show controllers cable-modem
lookup-table
show controllers cable-modem mac
show controllers cable-modem phy
Show Controllers Cable-Modem Tuner Field Descriptions
Description
Indicates the current downstream frequency.
Indicates the downstream symbol rate in symbols per second.
Frequency on which the transmitter and tuner communicate.
Signal to noise estimate in dB X 1000.
Bit error rate estimate (always 0).
Minimum signal-to-noise ratio (SNR) that the Cisco uBR924 will accept as a valid lock.
Indicates if QAM/FEC lock has been acquired and the modulation mode in use.
Upstream frequency sent to the Cisco uBR924 by the CMTS in the UCD message.
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.
Indicates the upstream symbol rate in symbols per second that is negotiated
between the CMTS and the cable access router.
Troubleshooting Tips for the Cisco uBR924 Cable Access Router 57
Description
Displays high-level controller information about a Cisco
uBR924 cable access router.
Displays information about the baseline privacy key
management exchange between the Cisco uBR924 and the
CMTS.
Displays information about the Data Encryption Standard
(DES) engine registers.
.Displays the registers in the MAC hardware that are used for
filtering received frames.
Displays the mini-slot lookup table inside a Cisco uBR924.
Displays detailed MAC-layer information for a Cisco uBR924.
Displays the contents of the registers used in the downstream
physical hardware of the Cisco uBR924.
show controllers cable-modem tuner