2-8
Installing the Switch
Installation Procedures
3. (Optional) Install or Remove a yl Module 
Note Hot swapping modules is not supported. If a module is installed or removed 
with the switch powered on, a reset will occur. Only insert or remove a module 
during scheduled downtime with the switch powered off. 
The HP ProCurve 3500-24, 3500-48, 3500-24-PoE and 3500-48-PoE switches do 
not support a rear interface module.
1. Remove the cover plate.
2. Insert the module aligning with the guides in the slot. 
3. Once the contacts have engaged, use the extractor handles to seat the 
module completely.
4. Tighten the captive screws.
Figure 2-5. Installing a yl module
Caution For proper cooling and reduction of electromagnetic emissions, ensure a slot 
cover is installed on any unused slot. 
Align the edges of the board with guides