Introduction
1.2.1 Indicators The Ericsson W21 is equipped with five status indicators located on the
front panel of the unit. A general description of each indicator is provided in
the following table (from top to bottom):
Table 1 Front Panel Indicators
Text Status Description
Green
Unlit Mains powered.
Power is off.
Power
Connection to a UMTS network.
Connection to a GSM network.
Searching for a connection.
No connection to the mobile network.
Green
Red
Flashing
Unlit
Mobile Network
Green
Unlit Connection to Internet established.
No Internet connection.
Internet
Green
Unlit The Wireless LAN is active.
The Wireless LAN is inactive.
Wireless LAN
Red
Unlit
Various error conditions specified on the
W21
Alarm Overview web page.
No error.
The Ethernet LAN connectors (LAN1 LAN4- ) have two built-in indicators
each.
The left indicator shows the speed of data traffic between the Ericsson W21
and the connected client. If the speed is 100 Mbps, the indicator is green.
When the indicator is unlit, the speed is 10 Mbps.
The indicator to the right is green when a LAN connection is established
and flashes to show data traffic activity.
6 1/1551-CRH 102 167 Uen Rev D 2007-11-16