Motorola SB6120 160 Дополнительное руководство - Страница 2
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Scanning begins.
Modem looks for
64QAM then
256QAM at each
frequency.
Using UCD information
begin ranging power at
Modem issues a DHCP
Motorola, the stylized M Logo, and SURFboard are registered in the US Patent & Trademark Office. DOCSIS is a registered trademark
of Cable Television Laboratories, Inc. All other product or service names are the property of their respective owners.
© Motorola Inc. 2009. All rights reserved.
571642-001-a 05/09
Modem
POST
(Note A)
POST
No
Passed
Yes
Begin scanning
for downstream
(Note B)
64QAM or
256QAM
No
Next 6MHz
Yes
DOCSIS
No
sync?
Yes
specified upstream
frequency. (Note C)
Yes
Ranging
Successful?
Yes
RF link established.
broadcast. (Note D)
Hardware failure,
replace modem or
power supply
No
Using TFTP server &
filename from DHCP,
download the TFTP
Scan
No
No
Complete (Note E)
CM assigned
IP address
Yes
Establish Time of
Day using server
IP provided by
DHCP
Did CM get
Log error and
No
TOD?
Yes
configuration file
CM received
config file?
Yes
BLP Enabled?
Yes
Authorization
No
Complete
registration
with CMTS
Initialization
continue
Key