1Power supply

The power unit supplies DC powers to the server.

2AC inlet

The AC inlet is connected with the power cord.

3DC power lamp

The AC power lamp blinks green if the power supply receives the AC power through the power cord. The lamp goes on green when the power of the server is turned on.

4Power status lamp

The lamp goes on if the power is defected.

5AC power lamp

If the power cord is plugged to the AC inlet to supply AC power to the power supply unit, this lamp goes on.

6Additional power supply slot

An optional power supply may be installed on the slot.

7Serial port B connector

The serial port B connector is used to connect the server to a device with the serial interface. The server cannot be directly connected to a leased line through the connector.

8Additional PCI board slots

Optional PCI boards may be inserted into the slots.

9Mouse connector

The mouse connector is connected with the mouse coming with the server.

10USB-1 - USB-3 connectors

The USB-1 to USB-3 connectors are connected with devices accepting the USB interface. Connector 1 to connector 3 are assigned from right to left.

11Keyboard connector

The keyboard connector is connected with keyboard coming with the server.

12Serial port A connector

The serial port A connector is connected with a device having the serial interface.

13Printer port connector

The printer port connector is connected with a printer with the Centronics interface.

14Monitor connector

The monitor connector is connected with the display unit.

15Link/ACT lamp

The Link/ACT lamp shows the LAN access status.

16LAN connector

The LAN connector is connected with a network system on LAN. The value following the bold- faced number indicates the port number.

16-1 LAN2 supports 1000BASE-T/100BASE-TX/10BASE-T network subsystem. 16-2 LAN1 supports 100BASE-TX/10BASE-T network subsystem.

17Speed lamp

Indicates the LAN transfer rate. 17-1 1000/100/10 lamp

17-2 100/10 lamp

Figure 1-4. Rear View

1-8 System Overview

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NEC 120Lg manual Power supply, AC inlet, DC power lamp, Power status lamp, AC power lamp, Additional power supply slot