Chapter 5 Hardware Description

5.2Front Panel

Figure 3 shows the front panel controls, indicators and switches and Table 3 summarizes their functions.

Figure 3. Front Panel Controls, Indicators and Switches

Front

Thumb

CDROM

Power

Reset

 

 

Alarm LEDs

 

Unused

 

 

 

 

 

Bezel

Screws

Drive

Switch

Switch

CRT

MJR

MNR

PWR

Port

 

 

Not Used

ID

System ID

 

NIC

ON

 

Disk 1

Disk 0

USB 2 USB 3

 

 

 

Switch

 

LED

Activity LED

LED

Activity LED

Activity LED

 

Table 3. Front Panel Control, Indicator and Switch Function Summary

Feature

Description

More

Information

 

 

 

 

 

Front bezel

Front panel cover

N/A

 

 

 

Thumb screws

Secure the front bezel to the chassis

N/A

 

 

 

Peripheral drive

CD-ROM Drive

N/A

 

 

 

Power switch

Toggles the product power on and off

Section 3.9

 

 

 

Reset switch

Reboots and initializes the product

Section 3.9

 

 

 

CRT Alarm LED †

Critical Alarm LED (amber)

Section 3.9

 

 

 

MJR Alarm LED †

Major Alarm LED (amber)

Section 3.9

 

 

 

MNR Alarm LED †

Minor Alarm LED (amber)

Section 3.9

 

 

 

PWR Alarm LED †

Power Alarm LED (amber)

Section 3.9

 

 

 

USB 2, USB3

Standard USB ports

N/A

 

 

 

Disk 0, Disk 1

Activity LEDs for Hard Disk Drives (HDDs) that indicate one of the following:

 

• When green, indicates SCSI HDD activity

Section 3.9

Activity LEDs

• When amber, indicates SCSI HDD fault

 

 

 

 

 

 

ON Power LED

Power LED (green). When lit continuously, indicates the presence of DC power in the unit.

Section 3.9

The LED goes out when the power is turned off or the power source is disrupted.

 

 

 

 

 

NIC Activity LED

An activity LED (green). Indicates activity on either ENET 1 or ENET 2.

Section 3.9

 

 

 

System ID LED

A system ID LED (white) that can be used to highlight the unit in a rack of units. The LED

Section 3.9

can be activated via the ID switch.

 

 

 

 

 

ID switch

Toggles the white System ID LED on the front panel and a blue system ID LED inside the grill

Section 3.9

on the back panel. See Figure 4 for the location of the blue LED.

 

 

 

 

 

† See Section 3.9, “Controls and Indicators” on page 17 for more information on alarm indications.

 

 

 

 

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Dialogic SS7G21 manual Front Panel Control, Indicator and Switch Function Summary, Feature Description More Information