3Com 3C16897 8-slot DC Chassis, 3C16895 7-slot Chassis manual Replacing the Fan, Assembly

Models: 3C16894 4-slot Chassis 3C16897 8-slot DC Chassis 3C16895 7-slot Chassis 3C16896 8 slot AC Chassis

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Replacing I/O Modules To replace an I/O module, you need:

Replacing I/O Modules

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Replacing I/O Modules To replace an I/O module, you need:

An antistatic wrist strap

A Screwdriver

To remove a module:

1Remove all the cables from the module to be removed.

2Loosen the captive screws.

3Hold the ejector levers on the module with both hands, and press them toward both sides to separate the connectors of the module from the motherboard.

4Gently slide the module along the guides and out of the slot.

5Put the removed module into the package that contained the replacement module.

Replace the blanking plate on the chassis if you do not install a new module in the place where the old one was removed.

 

To install a replacement module:

1

With both hands, hold the ejector levers on the module that will be installed.

2

Align the module with the guides in the chassis and slide it into the slot gently

 

until you feel the positioning pin on the handle bar touch the hole in the chassis.

3

Press the ejector levers inward and seat the pin on the handle bar into the

 

positioning hole in the chassis.

4

Fasten the captive screws to fix the module.

 

 

Replacing the Fan

You can hot-swap fan assemblies in the Switch 7750.

Assembly

To replace a fan assembly, you need:

 

An antistatic wrist strap A Screwdriver

WARNING: To avoid injury, do not touch any naked wire, terminal, or any part of the product labeled Dangerous Voltage. Always wear the antistatic wrist strap when replacing the fan module.

To replace a fan assembly:

1Put on the antistatic wrist strap.

2With both hands, pull out the ejector levers on the fan assembly to separate the fan assembly connector from the backplane.

3Pull the fan gently along the guides of the slot to remove it.

4With both hands, pull out the ejector levers of the fan that will be installed. Align it with the guides in the chassis and slide it gently into the slot until you feel the positioning pin on the handle bar touch the hole in the chassis.

5Press the ejector levers inward and seat the pin on the handle bar into the positioning hole in the chassis.

Page 71
Image 71
3Com 3C16897 8-slot DC Chassis manual Replacing the Fan, Assembly, Replacing I/O Modules To replace an I/O module, you need