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1-14 Extreme Networks Consolidated Hardware Guide

Summary of Common Switch Features

• Use the same type of GBIC at each end of the link.

• Connect one end of the link to the Tx port. Without an attenuator, measure the total

loss from the Tx port to the other site of the link. For example, the total loss must

not exceed the total budget listed in Table 1-10 for a ZX GBIC or Table 1-11 for an

LX70 GBIC.

• Use dispersion shifted fiber whenever possible. This provides superior performance

in the 1550 nm range.

Once you complete all of these described tasks, you are ready to install or replace a

GBIC.

You can add and remove GBICs from your Extreme Networks switch without powering

off the system. Figure 1-4 shows the two types of GBIC connectors.

Figure 1-4: GBIC modules

GBICs are a Class 1 laser device. Use only Extreme-approved devices.

Note: Remove the SC fiber-optic connector from the GBIC prior to removing the

GBIC from the I/O module or the switch.

Caution: GBICs can emit invisible laser radiation. Avoid direct eye exposure to

beam.

To remove the GBIC connector labeled “Module A,” lift up on the front handle and pull

the GBIC out of the slot.

To remove the GBIC connector labeled “Module B,” gently squeeze the sides to release

it, and pull the GBIC out of the slot.

To insert a GBIC connector:

EW_GBIC

Module A

Module B

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Extreme Networks WM-4T1i Especificações Página 40