3Com 3C780 User Guide - Page 39
transceivers to protect the fiber-optic connectors from contamination.
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UPC - 662705029917
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Overview 1-13 GRN = SIGNAL DETECT GRN = PORT STATE YEL = LINK ERROR ® PWR FIBER PORT MODULE Figure 1-6. Fiber Media Port Module, Front Panel If you insert the module in slots 2 or 3, all ports are automatically configured as M ports. With three fiber modules installed in the hub, 12 fiber MIC ports are available. The fiber media port module is shipped with dust plugs inserted in its transceivers to protect the fiber-optic connectors from contamination. Keep a dust plug in each port until you are ready to insert a fiber cable into the port. Figure 1-7 shows how to remove a dust plug from a fiber transceiver. Figure 1-7. Removing a Dust Plug from a Fiber Transceiver
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1-13
Overview
PWR
®
FIBER PORT MODULE
GRN
GRN
YEL
= SIGNAL DETECT
= PORT STATE
= LINK ERROR
Figure 1-6. Fiber Media Port Module, Front Panel
If you insert the module in slots 2 or 3, all ports are automatically configured as
M ports.
With three fiber modules installed in the hub, 12 fiber MIC ports are
available.
The fiber media port module is shipped with dust plugs inserted in its
transceivers to protect the fiber-optic connectors from contamination.
Keep a
dust plug in each port until you are ready to insert a fiber cable into the port.
Figure 1-7 shows how to remove a dust plug from a fiber transceiver.
Figure 1-7.
Removing a Dust Plug from a Fiber Transceiver