Front I/O module (on rack latch) Front I/O module (on media bay)
Table 5. Components on the front I/O module
Callout Callout
1 USB 3 (5 Gbps) connector 2 USB 2.0 connector
3 Power button with power status LED
4 Network activity LED (for OCP module)
5 System ID button with system ID LED 6 System error LED
7 Front operator panel
1 / 2 USB 3 (5 Gbps) connector/ USB 2.0 connector
The USB connector can be used to attach a USB-compatible device, such as a USB keyboard, USB mouse,
or USB storage device.
3 Power button with power status LED
You can press this button to turn the server on and off manually. The power status LED helps you determine
the current power status.
Status Color
Description
Off None Power is not present, or the power supply has failed.
Fast blinking
(about four
flashes per
second)
Green The server is off, but the XClarity Controller is initializing, and the server is not
ready to be powered on.
Slow blinking
(about one flash
per second)
Green The server is off and is ready to be powered on (standby state).
Solid on Green
The server is on and running.
4 Network activity LED
16 ThinkSystem SR655 V3 User Guide
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