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N
P
ETWORK
LANNING
Uplink Connections
The switch provides 24 downlink fiber ports, two combo RJ-45/SFP
uplink ports built into the switch, and two slots for optional combo RJ-45/
SFP modules. The uplink ports can be trunked together to provide a
high-bandwidth connection to a core switch or router at the CO. Besides
balancing the load across each port in the trunk, the additional port
provides redundancy by taking over the load if the other trunk port fails.
The figure below illustrates a trunk connection to other switches.
1000BASE-BX fiber trunk
connection to Layer 2/3 switch
(up to 10 km)
8.7A
Mgmt
Mgmt
8.7A
FTTH Switch
2-4
Mgmt
Mgmt
Figure 2-2 Uplink Fiber Connections
Internet
Link to Internet POP
Layer 2/3 Switch
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