User Guide

Notes Power Receive Send Online Link

Power On

Downstream Scan

Upstream Range

Network Connect

E / / /

LINK/Channel Bond

Power Off

G /

Network Access Off

H /

Firmware Upgrade in Progress

LED Status

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.

SURFboard

DOCSIS

3.0 eXtreme Cable Modems

- 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)

PAGE 1
SURFboard® DOCSIS® 3.0 eXtreme Cable Modems A Power On Self Test (POST). If LED remains off, modem is faulty. B Scanning downstream frequencies. C Scanning upstream frequencies. D Downstream and upstream acquired. Modem processing for DHCP, TFTP, and TOD. E Ready. PC/Activity is solid when a CPE is connected and blinks when transmitting or receiving data. F Powered off. G Modem is successfully registered but Network Access Control (NACO) is disabled via DOCSIS configuration file.
PAGE 2
Modem POST (Note A) CM assigned IP address POST Passed Yes Hardware failure, replace modem or power supply No Establish Time of Day using server IP provided by DHCP Yes Scanning begins. Modem looks for 64QAM then 256QAM at each frequency.