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2-1
C
HAPTER
2
N
ETWORK
P
LANNING
Fiber-To-The-Home
(FTTH)
Fiber-To-The-Home (FTTH) has always been an attractive option for
Internet access. It has all the benefits of optical fiber. It provides a
future-proof network by avoiding the hassle of having to upgrade from
ADSL to XDSL, or digital coax to digital wireless. It is highly reliable
because it eliminates all of the problems with electromagnetic interference.
Moreover, it is immune to lightning and other transients. These properties
of fiber lead to the lowest possible power and operational costs, such as
maintenance, provisioning and facilities planning.
This switch and a standard CPE (Customer Premises Equipment) form
the key components of an ideal FTTH system, allowing a service provider
to easily extend an Ethernet connection over optical fiber directly to a
subscriber. This switch contains 24 100BASE-BX full-duplex single-fiber
single-mode cable connections that run from the service provider’s central
office (CO) directly to the subscriber’s CPE. Each single-mode fiber
connection can be run up to a distance of 10 km from the CO.
The switch also provides two 1000BASE-T/SFP uplink ports for
connections to other switches or routers at the CO. The SFP ports allow
the switch to be located up to 70 km from the CO using 1000BASE-ZX
transceivers, giving you the option of placing the switch either in the CO
or anywhere along the path between the CO and the subscriber.
A CPE is a single-channel fiber-to-copper conversion unit. The CPE
connects to the fiber cable from the CO and provides one standard
10/100BASE-TX RJ-45 Ethernet port for connecting to a subscriber’s
residential gateway, PC, switch, or other network device using twisted-pair
Summary of Contents for 7824M/FSW
Page 2: ......
Page 18: ...TABLE OF CONTENTS xviii E Ordering Information E 1 Glossary Index ...
Page 40: ...NETWORK PLANNING 2 8 ...
Page 58: ...INSTALLING THE SWITCH 3 18 ...
Page 68: ...MAKING NETWORK CONNECTIONS 4 10 ...
Page 72: ...TROUBLESHOOTING A 4 ...
Page 80: ...CABLES B 8 ...
Page 86: ...EXTENDER MODULES C 6 ...
Page 96: ...ORDERING INFORMATION E 2 ...
Page 102: ...GLOSSARY Glossary 6 ...
Page 106: ...INDEX Index 4 ...
Page 107: ......