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18
Patterns: Startup
Sequence
Touchstone® Telephony Release 6 Standard 1.0 December 2008
The following tables show LED patterns for the Telephony Modem during
each phase of the startup sequence.
MTA Star tup Sequence
If the MTA fails to complete registration, note the LED pattern and call your
next level of support.
Step
Description
0
No Power
1
Self-Test
CM Initialization; see
2-4
''CM Startup Sequence'' below.
5
Telephony DHCP
6
Telephony SNMP/TFTP
7
Telephony RSIP
CM Startup Sequence
If the modem fails to complete registration, note the LED pattern and call
your cable operator for assistance.
Step
Description
2
Downstream scan/sync
3
Upstream ranging
4
DOCSIS DHCP/TFTP
Po wer,
DS, US,
Online
Off
Flash
On
On
On
MTA Normal Operation
DS
US
Flash
Off
On
Flash
On
On
CM Normal Operation
Chapter 3
Link
Telephone
Off
Off
Flash
Flash
Off
Off
On
Flash
On
Off
On
Flash
Online
Link
Off
Off
Off
Off
Flash
Off
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