IBM 393, 387, 391, 389 Power cord connectors, Serial port, VGA DB-15 connector, USB connectors

For server models that have hot-swap redundant power supply module(s), there might be one or two power

cord connectors 1 on the rear of the server. For each hot-swap redundant power supply module, there might be one or two status LEDs on the power supply module near the power cord connector. When the green LED is lit, it indicates that the hot-swap redundant power supply module is working properly. When the red LED is lit, it indicates that the hot-swap redundant power supply module has failed.

Figure 7. Rear view of the server with hot-swap redundant power supply modules

1

Power cord connector(s)

Used to connect the power cord(s).

2

Serial port

Used to attach a device that uses a 9-pin serial port.

3

VGA DB-15 connector

Used to attach a video device, such as a VGA monitor or other devices that use a VGA DB-15 connector.

4

USB connectors

Used to attach a device that requires a USB connector, such as a USB keyboard, a USB mouse, a USB scanner, or a USB printer. If you have more than six USB devices, you can purchase a USB hub, which you can use to connect additional USB devices.

5

Expansion card area

You server has four expansion slots on the system board for you to install appropriate PCI cards. For detailed information, see “System board components” on page 42.

Chapter 3. Product overview 21