Motorola SURFboard SB5100 Series - Page 3

Next 6 MHz
scan
(Euro-DOCSIS
8 MHz)
Initialization
complete
(note E)
Yes
Yes
Yes
Yes
Yes
Yes
Yes Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
No
Yes
Modem power-on
POST
(Note A)
Complete
registration with
CMTS
SB5100
standby
switch is
enabled
SB5100 Network
Access Disabled.
Contact Your
Operator
Log error
and continue
Modem begins
scanning for
downstream
(Note B)
Using TFTP
server and
filename from
DHCP, download
the TFTP
configuration file
Establish time of
day using server
IP provided by
DHCP
Hardware failure,
replace modem
Modem begins
ranging at
power level
12 dBmV or the
last valid
upstream
power level,
moving up in
12 dBmV steps
to maximum of
58 dBmV
(QPSK) or
55 dBmV
(16 QAM)
Scanning
begins.
Modem looks
for 64 QAM
then 256 QAM
at each
frequency.
Did POST
pass?
Standby
LED on
(note F)
Power LED
Flashing?
(Note H)
CM assigned
IP address?
Ranging
successful?
DOCSIS sync?
64 or 256 QAM?
BLP
enabled?
CM receive
config file?
Did CM get
TOD?
Using UCD
information, begin
ranging power at
specified upstream
frequency
(note C)
RF link is
established.
Modem will now
issue a DHCP
broadcast
(note D)
Key
Authorization