2 front panel, Front panel, Front panel controls, indicators and switches – Dialogic SS7G21 User Manual
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Chapter 5 Hardware Description
5.2
Front Panel
shows the front panel controls, indicators and switches and
summarizes their functions.
Figure 3. Front Panel Controls, Indicators and Switches
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
Reset switch
Reboots and initializes the product
CRT Alarm LED †
Critical Alarm LED (amber)
MJR Alarm LED †
Major Alarm LED (amber)
MNR Alarm LED †
Minor Alarm LED (amber)
PWR Alarm LED †
Power Alarm LED (amber)
USB 2, USB3
Standard USB ports
N/A
Disk 0, Disk 1
Activity LEDs
Activity LEDs for Hard Disk Drives (HDDs) that indicate one of the following:
• When green, indicates SCSI HDD activity
• When amber, indicates SCSI HDD fault
ON Power LED
Power LED (green). When lit continuously, indicates the presence of DC power in the unit.
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.
System ID LED
A system ID LED (white) that can be used to highlight the unit in a rack of units. The LED
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
on the back panel. See
for the location of the blue LED.
Section 3.9, “Controls and Indicators” on page 17
for more information on alarm indications.
Power
Switch
Reset
Switch
CRT
MJR
MNR
PWR
Alarm LEDs
Unused
Port
Not Used
ID
Switch
System ID
LED
NIC
Activity LED
ON
LED
Disk 1
Activity LED
Disk 0
Activity LED
USB 3
Front
Bezel
CDROM
Drive
Thumb
Screws
USB 2