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Elements In Access Areas - Hitachi EM-G21 User Manual

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1.2 Elements in Access Areas

The figures and tables below provide names and functions of elements in the front and
rear access areas.
Elements in front access area
Elements in rear access area
# Name
Status
 POWER lamp
Off
On (Green)
 ALARM lamp
Off
On (Red)
Blink (Orange) Installation of new firmware
 PPP lamp
Don't care
 WLAN lamp
Off
On (Green)
 WAN lamp
Off
On (Green)
Blink (Green)
 STATUS1 lamp Don't care
 STATUS2 lamp Don't care
 STATUS3 lamp Don't care
 USB1 and
Not applicable Ports for connection of
USB2 ports
# Name
Status
 LINK lamp (4
Off
places)
On (Green)
Blink (Green)
 100/1000
Off
BASE-T lamp
On (Orange)
(4 places)
 WLAN button
Not applicable Unused
 INIT button
Not applicable Means of initialization
 LAN1 to LAN4
Not applicable Ports for connection of
ports
 WAN port
Not applicable Port for connection of a
 DC IN 12V port Not applicable Port for connection of 12V
- 2 -
Meaning
Not powered
Powered
Normal
Failing
version in progress
Unused
Built-in wireless LAN off
Built-in wireless LAN on
WAN connection unusable
WAN connection usable
Communication on WAN
connection in progress
Status of service in use
Status of service in use
Status of service in use
USB devices. Only allowed
for designated devices.
Meaning
LAN connection unusable
LAN connection usable
Communication on LAN
connection in progress
10 Mbps line speed
100/1000 Mbps line speed
wired LAN devices such as
PCs and sensors
wired WAN device
dc plug of the AC adapter

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