2. Use a cross screwdriver to loosen SCM screws until they pop out.
3. Rotate the lever to outside till the lever head is out of the expansion slot.
4. Hold the module with one hand and pull it straight out of the expansion slot along the guide
rail.
5. Put the removed module into an antistatic bag or on a flat antistatic table.
6. Install a replacement module (see Installing an SCM/SWM).
Notes: If you do not want to install a new module, apply a blank plate over the slot
to avoid dust falling into the chassis.
Replacing an SSM/IOM/SIOM/QSM/Bypass
The following takes IOM as an example to introduce how to install an SSM, IOM, QSM or
Bypass. To replace an IOM, take the following steps:
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Chapter 5 Hardware Maintenance and
Replacement