Four-Faith F3125 User manual

F3X25 Series Router
User Manual
Documentation No.
Product Version
Page
Product Name：
Total:
F3X25 Series Router User Manual
The user manual is suitable for the following model:
Model
Product Type
F3125
GPRS ROUTER
F3225
CDMA ROUTER
F3325
EDGE ROUTER
F3425
WCDMA ROUTER
F3525
TD-SCDMA ROUTER
F3625
EVDO ROUTER
F3725
LTE/TD-SCDMA ROUTER
F3825
LTE/WCDMA ROUTER
F3A25
LTE/EVDO ROUTER
Xiamen Four-Faith Communication Technology Co., Ltd.
Add：J1-J3,3rd Floor,No.44,GuanRi Road,SoftWare
Park,XiaMen,China Zip Code:361008
Tel：[phone]
Fax:[phone]
http://www.fourfaith.co

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Files Revised Record
Date
Version
Remark
Author
2012-09-16
V1.00
Initial Draft
ZYL
2012-11-1
V1.01
Add Packet Filter
PF

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Copyright Notice
All contents in the files are protected by copyright law, and all copyrights are reserved by Xiamen
Four-Faith Communication Technology Co., Ltd. Without written permission, all commercial
use of the files from Four-Faith are forbidden, such as copy, distribute, reproduce the files, etc.,
but non-commercial purpose, downloaded or printed by individual (all files shall be not revised,
and the copyright and other proprietorship notice shall be reserved) are welcome.
Trademark Notice
Four-Faith、四信、 、 、 are all registered trademarks of Xiamen
Four-Faith Communication Technology Co., Ltd., illegal use of the name of Four-Faith,
trademarks and other marks of Four-Faith is forbidden, unless written permission is authorized in
advance.

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C
Co on nt te en nt ts s
Chapter 1 Brief Introduction of Product ...........................................................................................7
1.1 General.............................................................................................................................7
1.2 Features and Benefits.......................................................................................................7
1.3 Working Principle............................................................................................................9
1.4 Specifications...................................................................................................................9
Chapter 2 Installation Introduction.................................................................................................13
2.1 General...........................................................................................................................13
2.2 Encasement List.............................................................................................................13
2.3 Installation and Cable Connection.................................................................................13
2.4 Power.............................................................................................................................15
2.5 Indicator Lights Introduction .........................................................................................15
2.6 Reset Button Introduction..............................................................................................16
Chapter 3 Configuration and Management.....................................................................................17
3.1 Configuration Connection..............................................................................................17
3.2 Access the Configuration Web Page..............................................................................17
3.3 Management and configuration .....................................................................................19
3.3.1 Setting...........................................................................................................19
3.3.1.1 Basic Setting............................................................................................19
3.3.1.2 Dynamic DNS.........................................................................................24
3.3.1.3 Clone MAC Address ...............................................................................25
3.3.1.4 Advanced Router.....................................................................................25
3.3.2 Services.........................................................................................................27
3.3.2.1 Services...................................................................................................27
3.3.2.2 PPPoE Server..........................................................................................30
3.3.3 VPN...................................................................................................................31
3.3.3.1 PPTP........................................................................................................31
3.3.3.2 L2TP........................................................................................................33
3.3.3.3 OPENVPN ..............................................................................................34
3.3.3.4 IPSEC......................................................................................................39
3.3.3.5 GRE.........................................................................................................41
3.3.4 Security.........................................................................................................43
3.3.4.1 Firewall ...................................................................................................43
3.3.4.2 VPN Passthrough....................................................................................45
3.3.5 Access Restrictions...................................................................................46
3.3.5.1 WAN Access............................................................................................46
3.3.5.2 Packet Filter ............................................................................................49
3.3.6 NAT...................................................................................................................50
3.3.6.1 Port Forwarding ......................................................................................50
3.3.6.2 Port Range Forward ................................................................................50
3.3.6.3 Port Triggering........................................................................................51

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3.3.6.4 DMZ........................................................................................................52
3.3.7 QoS Setting...................................................................................................52
3.3.7.1 Basic........................................................................................................52
3.3.7.2 Classify....................................................................................................53
3.3.8 Applications.................................................................................................53
3.3.8.1 Serial Applications ..................................................................................53
3.3.9 Administration.............................................................................................55
3.3.9.1 Management............................................................................................55
3.3.9.2 Keep Alive...............................................................................................57
3.3.9.3 Commands...............................................................................................57
3.3.9.4 Factory Defaults......................................................................................58
3.3.9.5 Firmware Upgrade...................................................................................58
3.3.9.6 Backup.....................................................................................................59
3.3.10 Status.....................................................................................................60
3.3.10.1 Router..............................................................................................60
3.3.10.2 WAN................................................................................................62
3.3.10.3 LAN.................................................................................................63
3.3.10.4 Bandwidth.......................................................................................66
3.3.10.5 Sys-Info...........................................................................................67
Chapter 4Appendix ........................................................................................................................69

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Chapter 1 Brief Introduction of Product
1.1 General
F3X25 series ROUTER is a kind of cellular terminal device that provides data transfer
function by public cellular network.
It adopts high-powered industrial 32-bits CPU and embedded real time operating system. It
supports RS232 (or RS485/RS422), Ethernet port that can conveniently and transparently connect
one device to a cellular network, allowing you to connect to your existing serial, Ethernet devices
with only basic configuration.
It has been widely used on M2M fields, such as intelligent transportation, smart grid,
industrial automation, telemetry, finance, POS, water supply, environment protection, post,
weather, and so on.
1.2 Features and Benefits
Design for IndustrialApplication
High-powered industrial cellular module
High-powered industrial 32bits CPU
Support low-consumption mode, including sleep mode, scheduled online/offline mode,
scheduled power-on/power-off mode(optional)
Housing: iron, providing IP30 protection.
Power range: DC 5~35V
Stability and Reliability
Support hardware and software WDT
Support auto recovery mechanism, including online detect, auto redial when offline to make
router always online
Ethernet port: 1.5KV magnetic isolation protection

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RS232/RS485/RS422 port: 15KV ESD protection
SIM/UIM port: 15KV ESD protection
Power port: reverse-voltage and overvoltage protection
Antenna port: lightning protection(optional)
Standard and Convenience
Support standard RS232(or RS485/RS422), Ethernet port that can connect to serial, Ethernet
devices directly
Support intellectual mode, enter into communication state automatically when powered
Provide management software for remote management
Support several work modes
Convenient configuration and maintenance interface（WEB or CLI）
High-performance
Support 3G/HSPA/4G WAN access methods.
Support VPN client(PPTP, L2TP, OPENVPN, IPSEC and GRE)(only for VPN version)
Support VPN server(PPTP, L2TP, OPENVPN, IPSEC and GRE)(only for VPN version)
Support local and remote firmware upgrade,import and export configure file.
Support NTP, RTC embedded.
Support mulitiple DDNS provider service.
Support MAC Address clone, PPPoE Server
Support multi online trigger ways, including SMS, ring and data. Support link disconnection
when timeout
SupportAPN/VPDN
Support DHCP server and client, firewall, NAT, DMZ host , URL block, QoS, ttraff,statistics,
real time link speed statistics etc.
Full protocol support , such as TCP/IP, UDP, ICMP, SMTP, HTTP, POP3, OICQ, TELNET,
FTP, SNMP, SSHD, etc.
Schedule Reboot, Schedule Online and Offline,etc.

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1.3 Working Principle
The principle chart of the router is as following:
1.4 Specifications
Cellular Specification
Standard and Band
Bandwidth
TX power
RX
sensitivity
F3125 GPRS ROUTER
EGSM900/GSM1800MHz,
GSM850/900/1800/1900MHz
(optional)
Compliant to GSM phase 2/2+
GPRS class 10, class 12(optional)
85.6Kbps
GSM850/900：
<33dBm
GSM1800/1900：
<30dBm
<-107
dBm
F3225 CDMA ROUTER
CDMA2000 1xRTT 800MHz
800/1900MHz(optional)
450MHz(optional)
153.6Kbps
<30dBm
<-104
dBm
F3325 EDGE ROUTER
GSM850/900/1800/1900MHz
GPRS/EDGE Class 12
236.8Kbps
GSM850/900：
<33dBm
GSM1800/1900：
<30dBm
<-106
dBm
F3425 WCDMA&HSDPA&HSUPA ROUTER
UMTS/WCDMA/HSDPA/HSUPA
/HSPA+ 850/1900/2100MHz
HSUPA:5.76Mbps
(Upload speed)
<24dBm
<-109
dBm
Embedded processing
system
Cellular Module
Power
RS232 serial
Interface
Indicator lights
DATA Interface
User interface
10/100M Ethernet
Interface

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850/900/1900/2100MHz(optional)
GSM850/900/1800/1900MHz
GPRS/EDGE CLASS 12
HSDPA:7.2Mbps
(Download speed)
UMTS:384Kbps (DL/UL)
HSPA+:
21 Mbps
(Download speed)
5.76Mbps（Upload speed）
F3525 TD-SCDMA ROUTER
TD-SCDMA/HSDPA/HSUPA /LTE
1880-1920/2010-2025MHz
GSM850/900/1800/1900MHz
GPRS/EDGE CLASS 12
Download speed:2.8Mbps
upload speed:2.2Mbps
LTE(Download
speed:100Mbps, upload
speed:50Mbps)
<24dBm
<-108
dBm
F3625 CDMA2000 1X EVDO
CDMA2000 1X EVDO Rev A
800MHz,800/1900MHz(optional)
450MHz (optional)
EVDO Rev B 800/1900MHz(optional)
CDMA2000 1X RTT, IS-95 A/B
Download speed:3.1Mbps
upload speed:1.8Mbps
EVDO Rev B(optional)
Download
speed:14.7Mbps
upload speed:5.4Mbps
<23dBm
<-104
dBm
F3725 LTE/TD-SCDMA ROUTER
LTE TDD 2600/2300MHz.
DC-HSPA+/HSPA+/HSUPA/HSD
PA/UMTS 2100/900MHz
EDGE/GPRS/GSM
850/900/1800/1900MHz
LTE(Download
speed:68Mbps, upload
speed:17Mbps)
HSUPA:5.76Mbps(upl
oad speed)
HSDPA:14.4Mbps(Do
wnload speed)
HSPA+:
28Mbps(Download
speed)
<24dBm
<-106dBm
F3825 LTE/WCDMA ROUTER
LTE FDD
2600/2100/1800/900/800MHz,
700/1700/2100MHz(optional)
HSPA+/HSDPA/HSUPA/WCDM
A /UMTS900/2100MHz,
LTE(DL:100Mbps,UL
:50Mbps)
HSUPA:5.76Mbps(Up
load speed)
HSDPA:7.2Mbps(Do
wnload speed)
<32dBm
<-93.3dBm

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800/850/1900/2100MHz(optional)
EDGE/GPRS/GSM
900/1800/1900MHz
GPRS CLASS 10
GPRS CLASS 12
UMTS:384Kbps
(DL/UL)
HSPA+:
21Mbps(Download
speed)
5.76Mbps(Upload
speed)
F3A25 LTE&EVDO ROUTER
LTE 700MHz
CDMA 1XRTT/EV 800/1900MHz
LTE(DL:100Mbps,
UL:50Mbps)/
CDMA2000 1X
EVDO Rev A
(DL:3.1Mbps，
UL:1.8Mbps
<24dBm
<-93.3dBm
Hardware System
Item
Content
CPU
Industrial 32bits CPU
FLASH
8MB(Extendable to 64MB)
SDRAM
64MB
Interface Type
Item
Content
Ethernet
1 10/100 Mbps Ethernet port(RJ45), auto MDI/MDIX, 1.5KV magnetic
isolation protection
Serial
1 RS232(or RS485/RS422) port, 15KV ESD protection
Data bits: 5, 6 ,7, 8
Stop bits: 1, 1.5(optional), 2
Parity: none, even, odd, (space, mark) (optional)
Baud rate: 2400~115200 bps
Indicator
"Power", "System", "Online", "Link/ACT ", "Alarm","Signal
Strength"
Antenna
Standard SMA female interface, 50 ohm, lighting protection(optional)
SIM/UIM
Standard 3V/1.8V user card interface, 15KV ESD protection
Power
Standard 3-PIN power jack, reverse-voltage and overvoltage protection
Reset
Restore the router to its original factory default settings

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Power Input
Item
Content
Standard Power
DC 12V/1.5A
Power Range
DC 5~35V
Consumption
<450mA (12V)
Physical Characteristics
Item
Content
Housing
Iron, providing IP30 protection
Dimensions
157x97x25 mm
Weight
440g
Environmental Limits
Item
Content
Operating
Temperature
-35~+75ºC （-31~+167℉）
Storage
Temperature
-40~+85ºC（-40~+185℉）
Operating
Humidity
95% ( Non-condensing)

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Chapter 2 Installation Introduction
2.1 General
The router must be installed correctly to make it work properly.
Warning: Forbid to install the router when powered!
2.2 Encasement List
Name
Quantity
Remark
Router host
1
Cellular antenna (Male SMA)
1
Network cable
1
Console cable
1
optional
Power adapter
1
Manual CD
1
Certification card
1
Maintenance card
1
2.3 Installation and Cable Connection
Installation of SIM/UIM card:

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Firstly power off the router, and press the out button of the SIM/UIM card outlet with a needle
object. Then the SIM/UIM card sheath will flick out at once. Put SIM/UIM card into the card
sheath (Pay attention to put the side which has metal point outside), and insert card sheath back to
the SIM/UIM card outlet.
Warning: Forbid to install SIM/UIM card when powered!
Installation of antenna:
Screw the SMA male pin of the cellular antenna to the female SMA interface of the router
with sign “WWAN”.
Installation of cable:
Insert one end of the network cable into the switch interface with sign “Local Network”, and
insert the other end into the Ethernet interface of user’s device. The signal connection of network
direct cable is as follows:
RJ45-1
RJ45-2
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
Insert the RJ45 end of the console cable into the RJ45 outlet with sign “console”, and insert
the DB9F end of the console cable into the RS232 serial interface of user’s device.
The signal connection of the console cable is as follows:
RJ45
DB9F
1
8
2
6
3
2
4
1
5
5
6
3
7
4
8
7
The signal definition of the DB9F serial communication interface is as follows:
Pin
RS232 signal name
The direction for Router
1
DCD
output
2
RXD
output

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2.4 Power
The power range of the router is DC 5~35V.
Warning: When we use other power, we should make sure that the power can supply power
above 7W.
We recommend user to use the standard DC 12V/1.5A power.
2.5 Indicator Lights Introduction
The router provides following indicator lights: “Power”, “System”, “Online”,
“Link/ACT”,“Alarm”, “Signal Strength”.
Indicator
Light
State
Introduction
Power
ON
Router is powered on
OFF
Router is powered off
System
BLINK
System works properly
OFF
System does not work
Online
ON
Router has logged on network
OFF
Router hasn’t logged on network
Link/ACT
OFF
The corresponding interface of switch is not
connected
ON /
BLINK
The corresponding interface of switch is connected
/Communicating
Alarm
OFF
Router has no alarm
ON
SIM/UIM card does not work or the signal of the
antenna is week
Signal
Strength
One Light
ON
Signal strength is weak
3
TXD
input
4
DTR
input
5
GND
6
DSR
output
7
RTS
input
8
CTS
output

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Two Lights
ON
Signal strength is medium
Three
Lights ON
Signal strength is good
2.6 Reset Button Introduction
The router has a “Reset”button to restore it to its original factory default settings. When user
press the “Reset”button for up to 15s, the router will restore to its original factory default settings
and restart automatically.

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Chapter 3 Configuration and Management
This chapter describes how to configure and manage the router.
3.1 Configuration Connection
Before configuration, you should connect the router and your configuration PC with the
supplied network cable. Plug the cable’s one end into the Local Network port of the router, and
another end into your configure PC’s Ethernet port. The connection diagram is as following:
Please modify the IP address of PC as the same network segment address of the router, for
instance, 192.168.1.9. Modify the mask code of PC as 255.255.255.0 and set the default gateway
of PC as the router’s IP address (192.168.1.2).
3.2 Access the Configuration Web Page
The chapter is to present main functions of each page. Users visit page tool via web browser
after connect users' PC to the router. There are eleven main pages: Setting, Wireless, Service, VPN,
Security, Access Restrictions, NAT, QoS Setting, Applications, Management and Status. Users
enable to browse slave pages by click one main page.
Users can open IE or other explorers and enter the router's default IP address of 192.168.1.2
on address bar, then press the botton of Enter to visit page Web management tool of the router.
The users login in the web page at the first name, there will display a page shows as blow to tip
users to modify the default user name and password of the router. Users have to click "change
password" to make it work if they modify user name and password.

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After access to the information main page
Users need to input user name and password if it is their first time to login.

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Input correct user name and password to visit relevant menu page. Default user name is admin,
password is admin. (available to modify user name and password on management page, then click
submit)
3.3 Management and configuration
3.3.1 Setting
The Setup screen is the first screen users will see when accessing the router. Most users will be
able to configure the router and get it work properly using only the settings on this screen. Some
Internet Service Providers (ISPs) will require users to enter specific information, such as User
Name, Password, IP Address, Default Gateway Address, or DNS IP Address. These information
can be obtained from your ISP, if required.
3.3.1.1 Basic Setting
WAN Connection Type
Seven Ways: Disabled, 3G/UNMTS/4G/LTE
Disabled

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Forbid the setting of WAN port connection type
3G/UMTS/4G/LTE
User Name: login users' ISP(Internet Service Provider)
Password: login users' ISP
Dial String: dial number of users' ISP
APN: access point name of users' ISP
PIN: PIN code of users' SIM card
Connection type
Connection type: Auto, Force 3G, Force 2G, Prefer 3G, Prefer 2G options. If using 4G module,
there has 4G network option. Users select different mode depending on their need
Keep Online
This function is used to detect whether the Internet connection is active, if users set it and when
the router detect the connection is inactive, it will redial to users' ISP immediately to make the
connection active.
Detection Method:
None: do not set this function
Ping: Send ping packet to detect the connection, when choose this method, users should also
configure "Detection Interval", "Primary Detection Server IP" and "Backup Detection
Server IP" items.
Route: Detect connection with route method, when choose this method, users should also
configure "Detection Interval", "Primary Detection Server IP" and "Backup Detection
Server IP" items.