3Com 3C172221 Installation and Removal, Handling the Module, Installing the Module into a Switch

INSTALLATION AND REMOVAL

Handling the Module

he 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.

THandle 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-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.

Each Switch has the facility to accept up to two Expansion Modules, allowing Cascade, Gigabit Ethernet or Fast Ethernet connections. Modules can be inserted into either Expansion Module slot.

Figure 1 Inserting the Module into the Switch

Module 2

CLASS1	LASER	PRODUCT
			This
			product
3C17221			Subchapter J, complies with				DHHS
				3applicable					Rule
		SuperStack 3		Com		at date
					Europe			of	manufacture
										21 CFR
							Limited
				1000BASE
							-SX		Module

MT-RJ

Fiber Socket

To install the Module:

1Ensure that the Switch is disconnected from the mains power supply and that you are wearing an anti-static wristband connected to a suitable earth point.

2Undo the two 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.

3Remove the blanking plate.

4Hold the Module so that the text on the front panel is upright and insert it into the Switch, ensuring the connectors are fully engaged (see Figure 1). Make sure the Module is pushed fully in.

5Secure the Module by tightening the two captive screws with a screwdriver.

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. Replacing the blanking plate will also help circulate cool air through the Switch.

Activating the Module

1Ensure that the Switch is powered-up.

2Remove the protective stopper from the MT-RJ fiber socket on the Module. Squeeze the top and bottom of the stopper between your thumb and forefinger then remove it.

3Plug the MT-RJ connector on the fiber cable into the MT-RJ fiber socket on the Module.

4Connect the other end of the fiber optic segment to a device fitted with a 1000BASE-SX connection.

5Check the LEDs on the front of the Switch to ensure that the Module is operating correctly. Refer to “LEDs” for more information.

Removing the Module from a Switch

1Ensure that the power supply and the fiber backbone connection cables are disconnected from the Switch.

2Undo the Module’s two captive screws with a suitable screwdriver. Do not remove any other screws from the Switch.

3Remove the Module.

4If you are not fitting another Module immediately, you must replace the blanking plate to ensure that dust and debris do not enter the Switch. Replacing the blanking plate will also help circulate cool air through the Switch.

3