3Com 3C17714 Gebruikershandleiding - Pagina 3

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NSTALLATION

Handling the Module

The Module can be easily damaged by electrostatic

discharge. To prevent damage, observe the following:

Always wear an anti-static wristband connected to a

suitable earth point.

Do not remove the Module from its packaging until

you are ready to install it into a Switch.

Do not touch any of the pins, connections or

components on the Module.

Handle the Module only by its edges and front panel.

Always store or transport the Module in anti-static

packaging.

Installing the Module into a Switch

CAUTION: This Module is not hot-insertable or

hot-swappable. Always make sure that the Switch is

powered down and disconnected from the mains before

installing or removing a Module. Use the following

instructions when installing or removing a Module.

CAUTION: This Module is only designed to work with

the 3Com SuperStack 3 Switch 4900 Series.

To install the Module:

1 Ensure that the Switch is disconnected from the mains

power supply and RPS connector (if applicable) and that

you are wearing an anti-static wristband connected to a

suitable earth point.

2 Undo the three screws securing the blanking plate at the

rear of the Switch using a suitable screwdriver. Do not

remove any other screws from the rear of the Switch.

3 Remove the blanking plate.

4 Keep the blanking plate and screws in a safe place. If

you remove the Module at any time, you must replace

the blanking plate to prevent dust and debris entering

the Switch and to help the circulation of cooling air.

5 Hold the Module so that the text on the front panel is

upright. Insert it into the Switch, pushing firmly to

ensure the Module is seated correctly so that the

backpanel is flush with the back of the Switch. Tighten

the three captive thumbscrews securing the Module with

a suitable tool.

Activating the Module

1 Ensure that the Switch is powered-up.

2 Insert one of the following transceivers into a GBIC

expansion port on the Module:

1000BASE-SX GBIC transceiver

Use this transceiver to connect the Module directly to

multimode fiber-optic cable.

1000BASE-LX GBIC transceiver

Use this transceiver to connect the Module directly to

a single-mode fiber-optic cable or to multimode fiber

using a conditioned launch cable.

EMOVAL

1000BASE-LH70 GBIC transceiver

Use this transceiver to connect the Module directly to

a single-mode fiber-optic cable or to multimode fiber

using a conditioned launch cable.

To ensure optimal performance, compatibility, and

regulatory compliance, use only GBIC transceivers that

3Com supports. See

page

a Orient the transceiver so that the fiber-optic duplex

subscriber connector (SC) is toward you.

b Gently slide the transceiver into the GBIC port until it

clicks into place.

CAUTION: GBIC transceivers are keyed and can be

properly inserted only one way. If the transceiver does

not click when you insert it, remove it, turn it over, and

reinsert it.

GBIC transceivers are hot-insertable and hot-swappable.

You can remove them from and insert them into any

port on the Module without having to power down the

Switch.

3 The transceiver connects to the network using the

duplex SC connector. Attach the male duplex SC

connector on the network cable into the duplex SC

connector on the transceiver.

4 Connect the other end of the fiber-optic cable to a

device fitted with an appropriate Gigabit Ethernet

connection.

5 Check the LEDs on the front of the Switch and the rear

of the Module to ensure that the Module is operating

correctly. Refer to

information.

Removing a Transceiver from the Module

To replace an existing GBIC transceiver, compress the

side tabs and gently pull the transceiver out of the port.

GBIC transceivers are hot-insertable and hot-swappable.

You can remove them from and insert them into any

port on the Module without having to power down the

Switch.

Removing the Module from a Switch

1 Ensure that the power supply and the backbone

connection cables are disconnected from the Switch.

2 Undo the three captive thumbscrews securing the

Module into the Switch using a suitable tool. Do not

remove any other screws from the Switch.

3 Remove the Module.

4 If you are not fitting another Module immediately,

replace the blanking plate to ensure that dust and debris

do not enter the Switch and to help the circulation of

cooling air.

"Approved GBIC Transceivers"

"LEDs"

page 1

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