Lenovo ThinkSystem SD550 V3 System Configuration Manual page 30

Figure 2. Configuration with up to six 2.5-inch drives
Table 4. Components in the front view of the ThinkSystem SD550 V3 node
2.5-inch drive bays
1
Drive activity LED
2
Drive status LED
3
Serial connector
4
External diagnostic handset connector
5
1 2.5-inch drive bays
• Install 2.5-inch drives or drive fillers to these bays (see "Drive replacement" in the User Guide or Hardware
Maintenance Guide).
• For more information about the drive LEDs, see
2 & 3 Drive activity LED & Drive status LED
For more information about the drive activity and status LEDs, see
4 Serial connector
Connect a 9-pin serial device to this connector.
5 External diagnostic handset connector
Connect the external diagnostics handset to this connector.
For more details, see "External Diagnostics Handset" on page
ThinkSystem SD550 V3 System Configuration Guide
22
Front operator panel buttons and LEDs
6
USB 3.2 Gen 1 (5 Gbps) connector
7
Pull-out information tab
8
VGA connector
9
"Drive LEDs" on page 31.
"Drive LEDs" on page
37.
31.