General Description 2-19

1Serial port A connector

Connected to a device that has a serial interface. For maintenance use only.

2AC inlet B (for Group1)

PC socket for plugging a power cord (for Group1). If you desire to make the PCI module for Group1 primary, use this inlet to connect the power cord first.

3Serial port B connector

Connected to a device that has a serial interface. For maintenance use only.

4USB connectors

Tower model: from top: USB1, USB2

Rack-mount model: from left: USB1, USB2 Connected to devices that support the USB interface.

Connect the keyboard (with mouse) to USB 1; connect the USB floppy disk drive to USB 2.

5AC inlet A (for Group2)

PC socket for plugging a power cord (for Group2). If you desire to make the PCI module for Group2 primary, use this inlet to connect the power cord first.

6Monitor connector Connected to the display unit.

7SCSI connector

Used for connecting external SCSI devices.

8PCI module status LED 1

See “LEDs” in this chapter for details.

9PCI module status LED 2

See “LEDs” in this chapter for details.

10PCI board slot status LED (Slot1) See “LEDs” in this chapter for details.

11PCI board slot status LED (Slot2) See “LEDs” in this chapter for details.

12PCI board slot status LED (Slot3) See “LEDs” in this chapter for details.

13LINK/ACT LED

See “LEDs” in this chapter for details.

14LAN connector 1

A connector for 1000BASE-T, 100BASE-TX, and 10BASE-T. Connected to the network system on LAN.

151000/100/10 LED

See “LEDs” in this chapter for details.

16LINK/ACT LED

See “LEDs” in this chapter for details.

17100/10 LED

See “LEDs” in this chapter for details.

18LAN connector 2

A connector for 100BASE-TX and 10BASE-T. Connected to the network system on LAN.