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Chapter 9 Monitor

ZyWALL USG 50 User’s Guide

The following table describes the labels in this screen.

This screen displays a bandwidth usage graph and statistics for selected protocols.

Click Monitor > AppPatrol Statistics to open the following screen. 

Table 36   Monitor > System Status > More Information

Extension Slot

This field displays where the entry’s cellular card is located.

Service Provider This displays the name of your network service provider. This shows 

Limited Service if the service provider has stopped service to the 3G 
SIM card. For example if the bill has not been paid or the account has 
expired. 

Cellular System

This field displays what type of cellular network the 3G connection is 
using. The network type varies depending on the 3G card you inserted 
and could be UMTS, UMTS/HSDPA, GPRS or EDGE when you insert a 
GSM 3G card, or 1xRTT, EVDO Rev.0 or EVDO Rev.A when you insert 
a CDMA 3G card.

Signal Strength

This is the Signal Quality measured in dBm. 

Signal Quality

This displays the strength of the signal. The signal strength mainly 
depends on the antenna output power and the distance between your 
ZyWALL and the service provider’s base station. 

Device 
Manufacturer

This shows the name of the company that produced the 3G device.

Device Model

This field displays the model name of the cellular card.

Device Firmware This shows the software version of the 3G device.
Device IMEI/
ESN

IMEI (International Mobile Equipment Identity) is a 15-digit code in 
decimal format that identifies the 3G device. 

ESN (Electronic Serial Number) is an 8-digit code in hexadecimal 
format that identifies the 3G device. 

SIM Card IMSI

IMSI (International Mobile Subscriber Identity) is a 15-digit code that 
identifies the SIM card.