Chapter 1: Connections and Setup
6
Cable Modem Overview DHG525
Front Panel
The following illustration shows the front panel of the DHG525 machine:
The LEDs on the front panel are described in the table below (from left to right):
DS US Online
ON ON ON ON
ON
ON FLASH FLASH FLASH X X X X F rom power O N to system initialization com plete
ON ON ON
ON FLASH OFF OFF XXXXDuringDSscanningandacquiringSYNC
ON ON FLASH OFF XXXX
F rom S Y N C com pleted, receiving U C D to ranging
completed
ON ON ON FLASH XXXX
D uring D H C P , configuration file dow nload, reg istration, and
B as eline P rivacy initia liz ation
ON ON ON ON X X X X Operational(NACO=ON)
ON FLASH FLASH OFF X X X X Operational(NACO=OFF)
ON ON ON ON XFLASH OFF OFF MTA DHCP
ON ON ON ON XOFF FLASH OFF MTA SNMP/TFTP
ON ON ON ON XFLASH FLASH OFF RSIP
ON XXX
OFF
ON
FLASH XXX
No EthernetLink
EthernetLink
TX/RX EthernetTraffic
ON XXXXXXX
No USB Link
USB Link
TX/RX USB Traffic
ON ON ON Both Lines On-Hook
ON FLASH ON Tel1Off-hook,Tel2On-hook
ON ON FLASH Tel1On-hook,Tel2Off-hook
ON FLASH FLASH Both Lines O ff-H ook
ON ON ON Both Lines On-Hook
ON FLASH ON Tel1Off-hook,Tel2On-hook
ON ON FLASH Tel1On-hook,Tel2Off-hook
ON FLASH FLASH Both Lines O ff-H ook
ON ON ON Both Lines On-Hook
ON FLASH ON Tel1Off-hook,Tel2On-hook
ON ON FLASH Tel1On-hook,Tel2Off-hook
ON FLASH FLASH Both Lines O ff-H ook
ON Both Lines On-Hook
FLASH Tel1Off-hook,Tel2On-hook
ON Tel1On-hook,Tel2Off-hook
FLASH B oth Lines O ff-H ook
ON Both Lines On-Hook
FLASH Tel1Off-hook,Tel2On-hook
ON Tel1On-hook,Tel2Off-hook
FLASH B oth Lines O ff-H ook
Both Lines On-Hook
Tel1Off-hook,Tel2On-hook
Tel1On-hook,Tel2Off-hook
Both Lines O ff-H ook
XXX
A software download and while updating the FLASH
memory
XX
Power on 0.25 sec
Boot-up
Operation
0.25 second
Description
1 second F ollow ing system initialization co mplete to (before)
DS scanning
X
ON
Link B a ttery
ON
MTA
initialization
ON
Tel1 Tel2
ON ON
PKE220VB-D49 Power Internet
DOCSIS
Start-up
Operation
CPE
Operation
SW
Download
Operation X
ON
FLASH
OFF
OFF
FLASH
FLASH
OFF
OFF
<CM Normal Operation>
OFF
AC Fail
B atte ry L ow
AC Fail
B atte ry B ad
AC Good
B atte ry G ood
AC Good
B atte ry L ow
AC Good
B atte ry B ad
AC Fail
B atte ry G ood
< All LE D s m ay be unlit due to lack of battery pow er>
XON FLASH FLASH ON