SURFboard SB3100 Cable Modem LED Status
Power on
Downstream Scan
Upstream Range
Network Connect
Network Activity
P
OWER
R
ECEIVE
S
END
O
NLINE
A
CTIVITY
E
D
C
B
A
Notes:
R
On =
Off =
Flashing =
479340-001-99
Rev C
TM
SURFboardSB3100
CableModem
A
B
C
D
E
ModemPower-on
SystemT
est(POST).
IfLED
remainsblinking,
faultymodem.
Modemscanning
downstreamfrequencies.
Modemranging
upstream.
Downstreamand
Upstreamacquired.
Modem
processingfor
DHCP,TFTP
,and
TOD.
Modemoperational.
Activitylight
blinks
whentransmitting
orreceiving
data.
Notes:
R
J-5360-601-5K
