1
| Serial port
| ![serial connector icon](https://dl.dell.com/content/guides/public/html//per540_ism_pub/images/GUID-2FD9033D-8A2F-4824-975A-416F4B744889-low.jpg) | Use the serial port to connect a serial device to the system. For more information, see the Dell EMC PowerEdge R540 Technical Specifications on the product documentation page.
|
2
| Drive (2)
| N/A
| Two optional rear drives supported for 12 x 3.5 -inch system.
|
3
| Low profile riser right slot
| N/A
| Use the card slot to connect half-height PCIe expansion card on low profile riser.
|
4
| Low profile riser left slot
| N/A
| Use the card slot to connect half-height PCIe expansion card on low profile riser.
|
5
| Power supply unit (PSU) (2)
| N/A
| For more information, see the Dell EMC PowerEdge R540 Technical Specifications on the product documentation page.
|
6
| LOM riser port (2)
| ![Ethernet connector icon](https://dl.dell.com/content/guides/public/html//per540_ism_pub/images/GUID-B4EB1755-F935-43E6-A76D-1FAEF354D7CC-low.jpg) | Use the Ethernet or SFP+ ports to connect Local Area Networks (LANs) to the system. For more information about the supported Ethernet or SFP+ ports. For more information, see the Dell EMC PowerEdge R540 Technical Specifications on the product documentation page.
|
7
| Ethernet port (2)
| ![Ethernet connector icon](https://dl.dell.com/content/guides/public/html//per540_ism_pub/images/GUID-B4EB1755-F935-43E6-A76D-1FAEF354D7CC-low.jpg) | Use the Ethernet ports to connect Local Area Networks (LANs) to the system. For more information about the supported Ethernet ports, For more information, see the Dell EMC PowerEdge R540 Technical Specifications on the product documentation page.
|
8
| USB 3.0 port (2)
| ![USB 3.0 connector icon](https://dl.dell.com/content/guides/public/html//per540_ism_pub/images/GUID-3440A139-0E88-4C5A-A0FB-541F20513549-low.jpg) | Use the USB 3.0 port to connect USB devices to the system. These ports are 4-pin, USB 3.0-compliant.
|
9
| iDRAC9 dedicated network port
| ![iDRAC icon](https://dl.dell.com/content/guides/public/html//per540_ism_pub/images/GUID-3B641809-3758-45AB-8E41-EBDB8B0FE071-low.jpg) | Use the iDRAC9 dedicated network port to securely access the embedded iDRAC on a separate management network, see the
Integrated Dell Remote Access Controller User’s Guide at
www.dell.com/poweredgemanuals.
|
10
| VGA port
| ![video connector icon](https://dl.dell.com/content/guides/public/html//per540_ism_pub/images/GUID-CA59CAFE-A222-4EA7-8C42-D0D93C4C676D-low.jpg) | Use the VGA port to connect a display to the system. For more information about the supported VGA port, For more information, see the Dell EMC PowerEdge R540 Technical Specifications on the product documentation page.
|
11
| System status indicator cable port
| N/A
| Enables you to connect the status indicator cable and view system status when the CMA is installed.
|
12
| System identification button
| ![System identification icon](https://dl.dell.com/content/guides/public/html//per540_ism_pub/images/GUID-0164CE97-F3F7-4FA5-8662-AB89F53C9F85-low.jpg) | Press the system ID button:
- To locate a particular system within a rack.
- To turn the system ID on or off.
To reset iDRAC, press and hold the button for more than 15 s.
NOTE- To reset iDRAC using system ID, ensure that the system ID button is enabled in the iDRAC setup.
- If the system stops responding during POST, press and hold the system ID button (for more than five seconds) to enter the BIOS progress mode.
|