Motorola SB6120 - SURFboard - 160 Mbps Cable Modem Manual

Notes Power Receive Send Online Link
APower On
BDownstream Scan
CUpstream Range
DNetwork Connect
E/ / / LINK/Channel Bond
FPower Off
G/Network Access Off
H/Firmware Upgrade in Progress
Power On Self Test (POST). If LED remains off, modem is faulty.
Scanning downstream frequencies.
Scanning upstream frequencies.
Downstream and upstream acquired. Modem processing for DHCP,
TFTP, and TOD.
Ready. PC/Activity is solid when a CPE is connected and blinks when
transmitting or receiving data.
Powered off.
Modem is successfully registered but Network Access Control
(NACO) is disabled via DOCSIS®configuration file.
Performing firmware upgrade.
LED Status
SURFboard®SB6120 Series eXtreme Cable Modem
A
B
C
D
E
F
G
H
- On (Receive and Send - Connected Single Channel) - Off
- Flashing
(Link - 10Base-T or 100Base-T Ethernet)
- On (Receive and Send - Connected Bonded Channel)
(Link - High-speed Gigabit Ethernet)

Modem
POST
(Note A)
POST
Passed
Begin scanning
for downstream
(Note B)
64QAM or
256QAM
DOCSIS
sync?
Using UCD information
begin ranging power at
specified upstream
frequency. (Note C)
Ranging
Successful?
RF link established.
Modem issues a DHCP
broadcast. (Note D)
Scanning begins.
Modem looks for
64QAM then
256QAM at each
frequency.
Hardware failure,
replace modem or
power supply
Next 6MHz
Scan
Establish Time of
Day using server
IP provided by
DHCP
Did CM get
TOD?
Using TFTP server &
filename from DHCP,
download the TFTP
configuration file
CM received
config file?
BLP Enabled?
Complete
registration
with CMTS
Initialization
Complete (Note E)
Log error and
continue
Key
Authorization
Yes
No
Yes
Yes
Yes
Yes
No
No
No
Yes
No
Yes
Yes
No
Yes
No
CM assigned
IP address
No
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