Casa Systems CFW-4221 User manual

User Guide
CFW-4221/4222
Doc No. UG01433

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CFW-4221/4222 – User Guide
UG01433 v1.03 November 2022
© Casa Systems 2022
Important notice
This device, like any wireless device, operates using radio signals which cannot guarantee the transmission
and reception of data in all conditions. While the delay or loss of signal is rare, you should not rely solely on
any wireless device for emergency communications or otherwise use the device in situations where the
interruption of data connectivity could lead to death, personal injury, property damage, data loss, or other
loss. NetComm Wireless accepts no responsibility for any loss or damage resulting from errors or delays in
transmission or reception, or the failure of the Casa CFW-4221/4222 to transmit or receive such data.
Copyright
Copyright© 2022 Casa Systems. All rights reserved.
The information contained herein is proprietary to Casa Systems. No part of this document may be
translated, transcribed, reproduced, in any form, or by any means without prior written consent of Casa
Systems.
Trademarks and registered trademarks are the property of Casa Systems or their respective owners.
Specifications are subject to change without notice. Images shown may vary slightly from the actual product.
NetComm Wireless Limited was acquired by Casa Systems in 2019.
Note
– This document is subject to change without notice.
Document history
This document relates to the following product:
Casa Systems AurusGate (CFW-4221/4222)
Ver. Document description Date
v0.03 DRAFT n/a
Table i. – Document revision history

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Contents
Overview...................................................................................................................................................................................................6
Introduction ............................................................................................................................................................................................................................6
Prerequisites ..........................................................................................................................................................................................................................6
Notation ........................................................................................................................................................................................................................... 6
Product overview ....................................................................................................................................................................................7
Interfaces .................................................................................................................................................................................................8
Front view................................................................................................................................................................................................................................8
LED indicators.................................................................................................................................................................................................................8
Rear view .................................................................................................................................................................................................................................9
Bottom view..........................................................................................................................................................................................................................10
Safety and product care...................................................................................................................................................................... 10
Transport and handling ...................................................................................................................................................................... 11
Placement of your gateway ................................................................................................................................................................ 11
Avoiding obstacles and interference ..............................................................................................................................................................................11
Cordless phones..................................................................................................................................................................................................................11
Choose the “quietest” channel for your wireless network.........................................................................................................................................12
Advanced configuration...................................................................................................................................................................... 13
Dashboard ............................................................................................................................................................................................ 14
Learn More....................................................................................................................................................................................................................15
Wi-Fi details shortcut..........................................................................................................................................................................................................15
Network................................................................................................................................................................................................. 16
Mobile Settings ....................................................................................................................................................................................................................17
Edit APN Settings..........................................................................................................................................................................................................18
WiFi Settings .........................................................................................................................................................................................................................19
Select Band....................................................................................................................................................................................................................19
Wi-Fi Parameters..........................................................................................................................................................................................................20
Guest WiFi......................................................................................................................................................................................................................21
Set Guest WiFi...............................................................................................................................................................................................................22
Max Users......................................................................................................................................................................................................................22
Set WiFi Access Restrict..............................................................................................................................................................................................22
Connect a device with WPS .......................................................................................................................................................................................22
LAN Settings .........................................................................................................................................................................................................................22
Edit LAN Settings..........................................................................................................................................................................................................23
WAN Settings........................................................................................................................................................................................................................24
Static Route Settings...........................................................................................................................................................................................................25
IPv6 Settings .........................................................................................................................................................................................................................26
Quality of Service.................................................................................................................................................................................................................28
Parameters ....................................................................................................................................................................................................................28
Add New IP Address....................................................................................................................................................................................................29
Manual Net Search..............................................................................................................................................................................................................29

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Manual Net Settings – IP Address............................................................................................................................................................................29
Advanced Settings...............................................................................................................................................................................................................31
> link................................................................................................................................................................................................................................32
Edit (DMZ) ......................................................................................................................................................................................................................33
DDNS Settings......................................................................................................................................................................................................................33
Edit...................................................................................................................................................................................................................................34
Security.................................................................................................................................................................................................. 36
IP Filter ...................................................................................................................................................................................................................................36
Settings – IP filters........................................................................................................................................................................................................36
Port Filter...............................................................................................................................................................................................................................38
Edit Port Filter ...............................................................................................................................................................................................................38
Add Port .........................................................................................................................................................................................................................38
MAC Filter..............................................................................................................................................................................................................................39
URL Filter ...............................................................................................................................................................................................................................40
Add URL..........................................................................................................................................................................................................................41
ALG Setting ...........................................................................................................................................................................................................................41
Edit URL Filter................................................................................................................................................................................................................42
Add URL..........................................................................................................................................................................................................................42
Parental Control...................................................................................................................................................................................................................42
Change Model...............................................................................................................................................................................................................43
Add Device.....................................................................................................................................................................................................................43
Connected Devices .............................................................................................................................................................................. 45
Device Management............................................................................................................................................................................ 46
Edit password ...............................................................................................................................................................................................................46
Restart ............................................................................................................................................................................................................................47
Factory Reset.................................................................................................................................................................................................................47
SIM Security .......................................................................................................................................................................................... 48
System ................................................................................................................................................................................................... 49
NTP System Time.................................................................................................................................................................................................................49
Manual Firmware Update..................................................................................................................................................................................................50
Firmware Update .........................................................................................................................................................................................................51
Modem Update ............................................................................................................................................................................................................51
Backup/Restore ...................................................................................................................................................................................................................52
Backup............................................................................................................................................................................................................................52
Restore Default.............................................................................................................................................................................................................53
TR069 Configuration...........................................................................................................................................................................................................53
View details mode........................................................................................................................................................................................................54
Edit mode.......................................................................................................................................................................................................................54
EasyMesh Setting ................................................................................................................................................................................................................55
System Log............................................................................................................................................................................................................................57
Kernel Log .............................................................................................................................................................................................................................57
SPI Firewall Info....................................................................................................................................................................................................................58
WAN Ping URL ......................................................................................................................................................................................................................59
Ethernet Statistics ...............................................................................................................................................................................................................59

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About ..................................................................................................................................................................................................... 61
Log out .................................................................................................................................................................................................. 61
Power off............................................................................................................................................................................................... 62
FCC regulation information ................................................................................................................................................................ 63
FCC Statement .....................................................................................................................................................................................................................63
CAUTION!...............................................................................................................................................................................................................................63
RF Exposure..........................................................................................................................................................................................................................63
Company contact details ...................................................................................................................................................................................................64

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Overview
Introduction
This document provides a detailed description of the device, including instructions on configuring and using
the CFw-4221 or CFW-4222 gateway.
Prerequisites
To configure your gateway, you will require a computing device with a web browser and either a wired or
wireless network adapter.
Notation
The following symbols may be used in this document:
Note
– This note contains useful information.
Important
–
This is important information that may require your attention.
Warning
– This is a warning that may require immediate action in order to avoid damage or injury.

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Product overview
Easy to install 5G/LTE WiFi 6 Indoor residential gateway
Installed by the consumer allowing fast time to customer fulfilment
Supporting a wide range of 3GPP Frequency Bands from 600MHz up to 4.2GHz, it is suitable for
deployment in the majority of regions globally
Includes an integrated 4x4 MIMO Low-Gain OMNI Directional Antenna
Remotely manageable (FM, CM, PM, SM) via BBF TR-069, SSH and HTTP/S
Additional consumer smartphone application available to provide efficient installation process suitable
for a non-technical consumer audience.

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Interfaces
The gateway is designed to be placed upright on a
table.
Its LED indicators and
WPS
button are on the on
the front of the gateway.
Cables exit from the rear for easy organization. The
power input is located below the data sockets.
The power
ON/OFF
switch and the
Reset
buttons
are on the bottom. The
SIM
slot is also located on
the bottom of the gateway.
Front view
The LED display visible on the front of the gateway
provides you with information about network
activity and the device status.
The WPS button allows you to easily pair a Wi-Fi
device with the gateway.
LED indicators
The following table contains an explanation of each
of the indicators on the front of the gateway.
Figure 1 - LED icons
LED Icon Colour Definition
All three LEDs
simultaneously
Red blinking Firmware upgrade in progress
4G / 5G
White solid Gateway is connected to 5G network
Blue solid Gateway is connected to 4G network
Red solid SIM PIN/PUK is locked

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LED Icon Colour Definition
Orange solid No network
Orange blinking Gateway is powering up
Wi-Fi icon
White solid Wi-Fi is normal
White blinking Press the WPS button
Off Wi-Fi is unusual
Signal strength
White solid Signal strength is excellent
Blue solid Signal strength is good
Orange solid Signal strength is fair
Red solid Signal strength is poor
Ta bl e 1 - LED icon descriptions
Rear view
The following interfaces are located on the rear panel of the gateway:
Figure 2 – Gateway rear view
Interface Description
WAN/LAN1
The WAN/LAN1 port functions as a WAN port by
default and may be toggled to function as a LAN port
via the web user interface.
LAN2
The LAN2 port is a second LAN port. Connect a
device to this port using Ethernet cable to provide it
with internet access.
Power supply jack
Connect the supplied power supply to this jack.
Only use the power adaptor supplied with the
gateway.
Ta bl e 2 – Interfa ce descripti ons

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Bottom view
Figure 3 – Bottom view
Interface Description
Reset button
SIM Card slot
The SIM card slot is housed underneath a flap to prevent dust ingress. To
access the SIM card slot, first open the flap.
On/Off button
Toggles the power on and off.
Ta bl e 3 - Side buttons
Safety and product care
Your gateway is an electronic device that sends and receives radio signals. Please take the time to read this
list of precautions that should be taken when installing and using the router.
Do not disassemble the gateway. There are no user-serviceable parts.
Do not allow the gateway to come into contact with liquid or moisture at any time. To clean the device,
wipe it with a damp cloth.
Do not restrict airflow around the device. This can lead to the device overheating.
Do not place the device in direct sunlight or in hot areas.