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MIM-1GEF/MIM-2GEF Module 73
Interface Cable For MIM-1GEF/MIM-2GEF, select fiber-optic depending on the type of the installed
1000Base-SX/1000 Base-LX SFP. As the interfaces provided by these SFP modules
use LC-type fiber-optic connectors, you must use fibers with LC connectors for
them.
Figure 72 LC-type fiber-optic connector
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■ LC-type fiber-optic connectors were compact fiber-optic connectors developed
by Lucent.
■ The fibers are provided depending on the purchased SFPs. Therefore, please
provide information on the SFPs when purchasing FICs; by default, the fibers
are not provided.
Connecting the Interface
Optic Fiber
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CAUTION: When connecting the optical fiber, observe the following
■ Do not over-bend the optical fiber. Its curvature radius must be no less than 10
cm (3.9 in).
■ Ensure that the Tx and Rx ends are correctly connected.
■ Ensure that the fiber ends are clean.
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WARNING: Laser danger: Invisible laser radiation may be emitted from the
fiber-optic ports which are connected to lasers. To protect your eyes against
radiation harm, never stare into an open fiber-optic port.
Step 1: Insert the SFP optical module into its corresponding slot.
Step 2: Locate the Rx and Tx ports of the MIM-1GEF/MIM-2GEF interface. Connect
them to another device with two optical fibers: Rx to Tx and Tx to Rx.
Step 3: Power on the router and check the behavior of the LINK LED on the
MIM-1GEF/MIM-2GEF panel. ON means an Rx link is present and OFF means the
opposite. In the latter case, check the line status.
Table 42 LEDs on the MIM-1GEF/MIM-2GEF panel
LED Description
LINK OFF means no link is present; ON means a
link is present.
ACT OFF means no data is being transmitted or
received; blinking means data is being
received or/and transmitted.