Manual

Table Of Contents
12
745-814-B11-001, Rev. C (03/2014)
The above diagram, read left to right, indicates the order of operations as the Communications Module comes
online. There are certain conditions that must exist for each step to occur, resulting in successful data monitoring
and management. The numbers below correspond to the numbered arrows above.
Network Management System
MIB Browser
Web Browser
DSM3 Series
Power Supply
CMTS
Firewalls
Local Laptop
TCP/IP NetworkHFC Network
4
5
Routers
Switches
7
6
1
2
3
TFTP Server
TOD Server
DHCP Server
LEDs and Indications
Ref #
Communications
State
ALM/RDY Downdstream (DS) Registration (REG)
Rx/Tx
Power
Communications (COM) Ethernet (ETH)
Communications Module
Initializing/Searching for
Downstream DOCSIS
channel
Flashing
(Green)
Flashing OFF OFF OFF OFF
DOCSIS channel locked -
Completing upstream and
network registration
Flashing
(Green)
ON Flashing ON (Green) OFF OFF
to
Online - registration
complete
Flashing
(Green)
ON ON ON (Green) OFF and ON OFF
DSM3 Series fully
functional
Flashing
(Green)
ON ON ON (Green)
Bursts when communicating to
multiple power supplies
OFF
Laptop connected
Flashing
(Green)
ON ON ON (Green) Bursts
LNK - ON
ACT - Bursts
6
1
2
3 5
2.0 Overview
2.4 DSM3 Series Start Up and Reboot Routine
7
Blue Rx/Tx Power LED indicates Rx/Tx Power at a warning level. Make the necessary RF level adjustments.
Red Rx/Tx Power LED indicates Rx/Tx Power at an alert level. Make the necessary RF level adjustments.
Table 2-1, LEDs and Indications