3Com 3C780 User Guide - Page 24

Installing the Modules

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4 Quick Start 2. Keep all packing and shipping materials. If a module must be returned, ship it in its original shipping container (or one providing equivalent protection), or the warranty will be voided. 3. One at a time, remove each module from its antistatic bag. 4. Check the modules for any visible signs of damage. If you detect damage, immediately notify your network supplier and the carrier that delivered the module. 5. Place the modules back in their antistatic bags until you are ready to install them. Installing the Modules NOTE: You must install the management module first. It can only be installed in slot 0. It will not function in any other slot. Install the remaining modules in adjacent slots (in numerically ascending order) so there are no empty slots between modules. When you install the management module for the first time, be sure that power to the hub is off. There is no power switch on the hub. Power to the hub is provided by connecting the power cord to the hub and to an ac outlet. NOTE: The hub allows "power-on insertion," which means that you do not have to unplug the power cord for module insertion or removal. After removing or inserting a module, press the RESET button, which is recessed on the management module, or enter the reset command on the command line. This reinitializes the ring and causes the system to run its power-on self-tests (POST).

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4
Quick Start
2.
Keep all packing and shipping materials.
If a module must be returned, ship it in its original shipping container (or
one providing equivalent protection), or the warranty will be voided.
3.
One at a time, remove each module from its antistatic bag.
4.
Check the modules for any visible signs of damage.
If you detect damage, immediately notify your network supplier and the
carrier that delivered the module.
5.
Place the modules back in their antistatic bags until you are ready to
install them.
Installing the Modules
NOTE:
You must install the management module first.
It can only be installed
in slot 0.
It will not function in any other slot.
Install the remaining modules in
adjacent slots (in numerically ascending order) so there are no empty slots
between modules.
When you install the management module for the first time, be sure that power
to the hub is off.
There is no power switch on the hub.
Power to the hub is
provided by connecting the power cord to the hub and to an ac outlet.
NOTE:
The hub allows “power-on insertion,” which means that you do not
have to unplug the power cord for module insertion or removal.
After removing
or inserting a module, press the RESET button, which is recessed on the
management module, or enter the reset command on the command line.
This
reinitializes the ring and causes the system to run its power-
on self
-tests (POST).