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Chapter 3: Product overview
Power, US/DS,
Online
Telephone 1 Telephone 2 Description
On Off Flash Retrieving telephone network information
On Flash Flash Activating telephone service
Table 5: Cable modem startup sequence
DS/US Online Description
Flash Off Downstream or upstream search
On Flash Downstream and upstream found;
retrieving setup information from service provider
On On Ready for service
Rear panel
Figure 2: T25 Rear View
Table 6: T25 Rear Panel Ports & Connectors
Description
Two telephony ports for RJ-11 cable connections:
■
VoIP connection for a single or two-line telephone
■
VoIP connection for a single-line telephone
Note: For an Alarm system connection, see Connect your telephone
(page 19).
SURFboard
®
T25 Cable Modem with Xfinity Voice User Guide STANDARD Revision 2.0 15
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