Ericsson W21 - Manual (Page 14)

Configuration and Management
Events that generate an alarm are such that make it impossible to send or
receive data, e.g. SIM card missing.
If there are no alarms currently detected the text "No alarms detected"
is displayed. If an alarm is detected, the Alarm indicator on the Ericsson
W21 front panel is lit (red), and the corresponding cause is displayed
according to the table below:
Table 3 - Alarm cause description
Alarm cause Description
There is no SIM card inserted, or the
SIM card is not correctly inserted. No SIM card detected
The inserted SIM card is not valid Invalid SIM card
inserted
No PIN code has been entered to
activate the Internet service. No PIN code entered
The entered PIN code is incorrect. Incorrect PIN code
entered
The SIM card has been blocked (due to
entering the wrong PIN code three
times). The PUK is required to unblock
the SIM card. SIM card blocked
The SIM card has been permanently
blocked (due to entering the wrong PUK
code ten times). A new SIM card is
required. SIM card permanently
blocked
The alarm detection function is currently
not working. Alarm detection not
working
An alarm that cannot be identified has
occurred. Unknown alarm
2.2.3 Network Information
The “NETWORK INFORMATION” section on the Overview page includes
a selection of the Internet and LAN settings. This information (among
others) is also displayed on the Internet and LAN pages respectively.
The Internet information includes connection status and basic settings.
Details about the following items are displayed:
12 1/1551-CRH 102 167 Uen Rev D 2007-11-16