CTEK Z4400 User manual

USER MANUAL
Ctek Z Series SkyRouter
Cellular Application Platform Models Z4200 and Z4400
(Release 4.02.02 and newer)
Ctek – Things That Move Data
.

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Table of Contents
TABLE OF CONTENTS I
TABLE OF FIGURES II
PREFACE 1
1 INTRODUCTION 1
1.1 Theory of Operation 1
1.2 Features 1
2 CONNECTORS, LIGHTS, SWITCHES, AND JUMPERS 3
2.1 Switches 3
2.2 Lights 3
2.3 Connectors (see Figures 2 and 3 below) 4
3 START UP 6
3.1 Power 6
3.2 Factory Defaults 6
3.3 Connecting the Antenna 6
3.4 Connecting to the Ethernet Port –Administrative Connection 6
4 ADMINISTRATION, CONFIGURATION AND STATUS 8
4.1 Getting Started 8
4.2 Interfaces 11
4.2.1 Configuring The Wireless Interface 11
4.2.2 Configuring The Ethernet Interace 14
4.2.1 The RS232/RS485 Interface 15
4.2.2 Serial Communications Services 18
4.2.3 Configuring The Relay Input Interface 26
4.2.4 Configuring The Relay Output (Driver) Interface 27
4.2.5 Configuring the Time Source 29
4.2.6 Configuring the Location Source 29
4.3 Status 30
4.3.1 Wireless Status 30

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4.3.2 Ethernet Status 35
4.4 Services 36
4.4.1 User Accounts 36
4.4.2 Routing and Forwarding Services 37
4.4.3 GRE Tunneling Services 39
4.4.4 IPsec Services 41
4.4.5 Admin Screen Services 43
4.4.6 Wireless Activation Services (Z4200 CDMA Only) 44
4.4.7 DDNS Services 48
4.5 Options 49
4.5.1 Applications 49
4.5.2 Tools 50
4.5.3 Flash Update Client 51
4.5.4 Backup/Restore 51
4.5.5 SIM Editor (Z4400 HSPA Only) 53
4.5.6 AT Commands (Z4400 HSPA Only) 54
5 SPECIFICATIONS 55
6 CERTIFICATIONS 55
7 APPENDIX A – DISCRETE I/O ELECTRICAL DRAWINGS 56
8 APPENDIX B – LED TROUBLESHOOTING GUIDE 59
Table of Figures
FIGURE 1 - LIGHTS AND SWITCHES..................................................................................................................................................3
FIGURE 2 - DB9 CONNECTOR..............................................................................................................................................................4
FIGURE 3 - Z4200U CONNECTORS......................................................................................................................................................5
FIGURE 4 - WINDOWS CONFIGURATION .........................................................................................................................................7
FIGURE 5 LOGIN SCREEN ....................................................................................................................................................................8
FIGURE 6 - Z4200 TOP MENU...............................................................................................................................................................9
FIGURE 7 - Z4400 TOP MENU.............................................................................................................................................................10
FIGURE 8 - Z4200 (CDMA) WIRELESS INTERFACE .......................................................................................................................11
FIGURE 9 - Z4200 NETWORK SELECT..............................................................................................................................................12
FIGURE 10 - Z4400 (HSPA) WIRELESS INTERFACE .......................................................................................................................12
FIGURE 11 - ETHERNET CONFIGURATION –NETWORK GATEWAY........................................................................................14
FIGURE 12 ETHERNET CONFIGURATION –NETWORK CLIENT................................................................................................15
FIGURE 13 - RS232/485 CONFIGURATION .......................................................................................................................................17
FIGURE 14 - SERIAL COMMUNICATIONS MENU ..........................................................................................................................18
FIGURE 15 - TCP PAD CONFIGURATION.........................................................................................................................................19
FIGURE 16 - UDP PAD CONFIGURATION ........................................................................................................................................24
FIGURE 17 - PPP CONFIGURATION ..................................................................................................................................................25
FIGURE 18 - RELAY INPUT CONFIGURATION...............................................................................................................................26
FIGURE 19 - RELAY OUTPUT CONFIGURATION...........................................................................................................................28

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FIGURE 20 - TIME SOURCE ................................................................................................................................................................29
FIGURE 21 - LOCATION SOURCE......................................................................................................................................................29
FIGURE 22 - WIRELESS STATUS (Z4200) .........................................................................................................................................30
FIGURE 23 - WIRELESS STATUS DETAILS......................................................................................................................................32
FIGURE 24 - WIRELESS STATUS Z4400............................................................................................................................................34
FIGURE 25 - ETHERNET STATUS ......................................................................................................................................................35
FIGURE 26 USER ACCOUNTS - ADD.................................................................................................................................................36
FIGURE 27 - USER ACCOUNTS SELECT...........................................................................................................................................36
FIGURE 28 - ROUTING AND FORWARDING ...................................................................................................................................37
FIGURE 29 –ADVERTISING ...............................................................................................................................................................38
FIGURE 30 - GRE TUNNELING CONFIGURATION .........................................................................................................................39
FIGURE 31 - A GRE TUNNEL..............................................................................................................................................................40
FIGURE 32 - IPSEC ADMINISTRATION ...........................................................................................................................................41
FIGURE 33 - ADMIN SCREEN CONTROL .........................................................................................................................................43
FIGURE 34 - SPRINT ACTIVATION....................................................................................................................................................44
FIGURE 35 - VERIZON WIRELESS ACTIVATION ...........................................................................................................................44
FIGURE 36 - ACTIVATION CONTROL ..............................................................................................................................................45
FIGURE 37 - ACTIVATION LOG.........................................................................................................................................................46
FIGURE 38 - MANUAL ACTIVATION................................................................................................................................................47
FIGURE 39 - SPRINT PRL UPDATE....................................................................................................................................................47
FIGURE 40 - DDNS CLIENT CONFIGURATION ...............................................................................................................................48
FIGURE 41 - USER DEFINED APPLICATIONS (STANDARD RELEASE)......................................................................................49
FIGURE 42 - APPLICATIONS (EXAMPLES)......................................................................................................................................50
FIGURE 43 - TOOLS (STANDARD RELEASE) ..................................................................................................................................50
FIGURE 44 - FLASH UPDATE CLIENT ..............................................................................................................................................51
FIGURE 45 - BACKUP/RESTORE........................................................................................................................................................52
FIGURE 46 - BACKUP/RESTORE (WITH APPLICATIONS).............................................................................................................52
FIGURE 47 - TOOLS (WITH TCOPLUS) .............................................................................................................................................53
FIGURE 48 - SIM MANAGEMENT......................................................................................................................................................53
FIGURE 49 - AT COMMAND INTERFACE ........................................................................................................................................54

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Preface
Welcome to the Ctek Z Series SkyRouter User’s Guide. This manual covers the Z4200 EVDO and the Z4400
UMTS/HSPA SkyRouter running release firmware release 4.02.02 or newer. The User’s Guide will explain the basic
operation of the application platform and router, and take you through the necessary settings to get your wireless
application online. Additional information and applicable technical notices can be found at www.ctekproducts.com.
Note that all administrative functions and screens on the two models are identical with the exception of the Wireless
Status and Wireless Interface screens, and the Z4200's Activation screen, which is replaced on the Z4400 by a SIM Tools
menu item.
1 Introduction
Wireless routers provide application and network designers with a bridge between the world of IT infrastructure and the
evolving wireless M2M networks. With the Z Series the wireless transport is fully integrated into the product’s routing
fabric meaning that you can approach the setup and operation of this product much as with any other IP addressable
device. Wireless considerations have been reduced to the absolute minimum necessary to register and make connections
on a network.
The Z Series is also a powerful application platform. Ctek offers an Automation Control, an Irrigation Control, and a
Navigation (LBS) application package that is fully integrated with the SkyRouter operating environment. Ctek also offers a
full range of development tools for customers choosing to develop their own applications.
A number of optional controllers are available for use with the models covered in this manual including a micro-amp
standby power controller, an analog/digital I/O controller, and an analog output controller. The operation of these devices
is covered in their specific user manual and in applicable TechNotes.
1.1 Theory of Operation
The Z Series operates in two different networking modes. As a Network Gateway (See Ethernet Configuration) the Z
Series is complete IP router that routes traffic over LAN Ethernet (10/100baseT) connections. The wireless features of the
router simply extend the IP routing capabilities to include routing and network address translation (NAT) over cellular
wireless networks. As with most routers Ctek’s Z Series can be viewed as having a Local Area Network (LAN) side and a
Wide Area Network (WAN) side. Traffic originating at the router’s Ethernet or Serial port is considered LAN traffic. The
Wide Area Network connection is over the wireless network’s bearer channel(s).
When configured to operate as a Network Client the Z Series becomes an edge or intermediate networking device,
capable of connecting and routing over higher level IP networks. As a Network Client the SkyRouter can be configured to
receive its addressing from the network (DHCP client) or to have a static address on the subnet to which it is attached.
1.2 Features
This manual covers Ctek Z Series and contains the following feature and function descriptions.
1) Ethernet
a. Static Addressing
b. Dynamic (DHCP) Server
c. Dynamic (DHCP) Client
d. Configurable DNS address
e. Configurable LAN Addressing
f. Port Forwarding
g. Service management

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2) Wireless Interface
a. Enable/Disable WAN Interface
b. Enable/Disable inbound IP requests
c. DDNS Interoperability with Ctek's enhanced UDP interface
d. DDNS Interoperability with BIND or MS Server
e. SkyCloud visual DDNS (introduced in 4.2)
f. Advanced cloud based network management (introduced in 4.2)
g. Administration web server port address selection
h. Enhanced network activation (Z4200)
i. Home Network Selection
j. Time source selection (Network, NTP, or GPS)
3) RS232 (DB9 serial port)
a. Configurable Bit Rate
b. Configurable for Start/Stop Bits, Flow Control, and Parity
c. Local and remote Telnet Access
d. TCP/UDP Packet Assembly and Disassembly (PAD) function.
e. PPP Interface
4) RS485 Auxiliary Serial Port
a. Configurable Bit Rate
b. Configurable for Start/Stop Bits, Flow Control, and Parity
c. TCP/UDP Packet Assembly and Disassembly (PAD) function.
5) USB Host Connection
6) Relay Contact Closure (detection and operation)
a. NO/NC detection
b. SMS or email cry out alarm
7) Relay Driver Output ( Maximum sink current 200ma @24V)
a. SMS Activation
b. Web Activation
8) Tunneling
a. GRE Tunneling
b. IPsec
9) General Administration
a. Modify User and Password
b. Additional Users
c. Additional levels of authorization
10) Status – Ethernet Status
a. Currently Assigned IP Address
b. Current MAC Address
11) Wireless Status – CDMA or HSPA/UMTS Status
a. ESN or IMSI
b. Network Assigned IP Address
c. Telephone Number (MIN) or MSISDN
d. Current Network Status Active/Inactive
e. Signal Level (RSSI)

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2 Connectors, Lights, Switches, and Jumpers
2.1 Switches
Referring to Figure 1, there are two switches on the front of the Z Series router. S1 (Reset) causes a hard reset of unit.
S2 (DFLT) is used to restore the firmware settings that were included when the product was shipped from the factory. To
restore factory defaults, the unit must be running. You should wait a full two (2) minutes after booting or powering on the
unit before restoring factory defaults. After waiting two minutes press and continue to hold down the Restore Defaults
(inner) switch until the lights begin blinking (about 10 seconds). Release the DFLT switch as soon as the lights begin to
blink. The unit will restore its factory defaults and reboot itself. There is no need to restart or power cycle the unit.
Figure 1 - Lights and Switches
2.2 Lights
The Z Series router has indicators as shown in Figure 1.
LAN – The LAN light indicates that the Ethernet port is connected to an active Ethernet device.
The network status indicators LINK and SVC are interpreted as follows:
SVC – Multi-color (yellow/green). Indicates:
a) Power
b) RSSI
Display
Definition
Off
No Power
Yellow Blinking
Power On – No Signal (RSSI)
Yellow Solid
Power On – RSSI < -88
Green Solid
Power On – RSSI >= -88

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Link - Multi-color (red/green). Indicates:
a) Status of IP connection
b) Type of transport (EV-DO or 1xRTT)
Display
Definition
Off
No Connection (IP address)
Green
Connection established on 1xRTT or GPRS
Red
Connection established on EV-DO or HSPA
2.3 Connectors (see Figures 2 and 3 below)
RS232 Connector – This connector is a standard RS232 DCE interface. A straight-through RS232 cable should be used.
The RS232 connector pin out diagram is shown below.
Figure 2 - DB9 Connector
Ethernet Connector
The Ethernet connector on the Z Series is a standard RJ45 connector with auto polarity sensing and can be used with
either a standard Ethernet cable or a reverse (cross over) Ethernet cable.
Terminal Block
Connector J1 supports four separate functions, power, relay contact closure detection, relay driver output, and auxiliary
RS-485 serial port serial data. Contact closure pins 2 and 4 are shared with the auxiliary serial port. To option remove the
circuit board and locate 3-pin headers JP1 & JP2 behind the green connector. Facing the end of the board containing the
green connector JP1 and JP2 should have jumpers center to right to use the discrete I/O (Din, Dout), and JP1 and JP2
should have jumpers center to left to use the auxiliary RS-485 serial port. Auxiliary serial port parameters (baud, parity,
etc.) are set using the RS232/485 configuration screen. From the factory the unit ships with the auxiliary RS-485 serial
port enabled and configured as a master device.

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.
The J1 pin out configuration is as follows:
Terminal Block Pin
JP1 & JP2 (internal) Center to Right
JP1 & JP2 (internal) Center to Left
Pin 1
Din Src – Discrete Input Source
Pin 2
Din – Discrete Input (See Appendix A)
TR- of RS-485 auxiliary serial port1
Pin 3
Dout Gnd – Discrete Output Ground
Ground of RS-485 auxiliary serial port2
Pin 4
Dout - Discrete Output3
TR+ of RS-485 auxiliary serial port1
Pin 5
Power supply Ground
Power supply Ground
Pin 6
Power supply +12VDC (9 – 24VDC)
Power supply +12VDC (9 – 24VDC)
Notes Note 1
Note 2
Note 3
Connect a 120 ohm resistor across pins 2 --> 4 for multi-drop configurations
Available as a third wire ground for use in noisy environments
Discrete output is rated at 200ma @ 24 volts maximum sink current
Figure 3 - Z4200U Connectors

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3 Start Up
Warning – You must connect antenna(s) to the SMA style antenna connectors on the router before turning it on.
Failure to do this could result in erratic start up behavior and could possibly damage the unit.
Note –Z Series routers ship from the factory with DHCP server enabled. The Default Gateway address for the
unit is 192.168.1.10. The address of the web-based administration is also 192.168.1.10. The default source of DNS
is set to “Acquire From Wireless Network.” After you have activated your unit, enabled the WAN connection, and
restarted the unit the SkyRouter will obtain DNS addresses from the wireless network and populate those
addresses on the Ethernet Interface page. From this point on any changes to DNS addressing detected by the
wireless network connection will be displayed on the Ethernet Interface screen and will be the source of DNS
name resolution.
3.1 Power
Before starting connect the supplied 12VDC power adapter or an external 9 - 24VDC power source to the power
connector as described in Section 2. The adapter supplied with your router is suitable for use with 120VAC 60-hertz wall
power. If you need a different power solution contact Ctek.
3.2 Factory Defaults
Series 4200/4400 SkyRouters are shipped with the following factory default settings
WAN Connection - Disabled
DHCP – Enabled
RS485 Communications – Enabled
Discrete input and output – Disabled (Discrete I/O and RS485 communications share common pins see section
2.3)
DNS Addressing – Acquire From Network
3.3 Connecting the Antenna
Antennas should be attached to the SMA style antenna connectors described in section 3. The antenna must be
connected before powering the unit on. ON the Z4200 the antenna connector to the right of the LAN LED is the primary
(transmit/receive) antenna and the connector to the left of the reset button is the secondary or diversity antenna.
3.4 Connecting to the Ethernet Port – Administrative Connection
To create a wired connection between a laptop and a SkyRouter connect the laptop using a standard Ethernet cable. For
a direct Ethernet connection between a PC connect to the Ethernet port using a standard or reverse Ethernet cable. The
PC should be set to obtain an IP address and DNS address automatically. For Windows PCs make the following settings
under the networking control panel

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Figure 4 - Windows Configuration

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4 Administration, Configuration and Status
About Addressing – Devices connecting to cellular networks are assigned an IP address by the serving network.
Address assignment may either be static or the unit will be dynamically assigned an IP address, depending on
arrangements that you have made with your wireless network operator. Dynamically assigned IP address remain in effect
for a period of time assigned by the network operator, usually at most a small number of hours.
Ctek’s Z Series includes features that manage the temporal nature of dynamically assigned wireless IP addresses. Using
the Wireless Configuration screen you can configure your router to use a Dynamic DNS (DDNS) service. Ctek operates a
DDNS test bed that allows our customers to observe the performance and reliability of DDNS with their applications. For
large-scale commercial applications Ctek recommends that users configure their own DDNS, managed and maintained
with the customers ongoing IT operations. The Z Series may also be configured to operate with a standard DNS having
Dynamic DNS capabilities. Examples of this type of service would be Berkeley Internet Name Daemon (BIND) and Microsoft
Server 2000 and up.
Beginning with SkyRouter release 4.2 Ctek offers two additional DDNS capabilities. First, VDDNS provides information
exchange between each SkyRouter endpoint and Ctek’s VDDNS servers. VDDNS in turn presents the user with a map-
based presentation of their endpoints and the status of each endpoint. Also, if enabled Ctek’s network management
capability further enhances VDDNS by gathering a full set of important network parameters and storing this information on
cloud servers.
4.1 Getting Started
Once the PC has been set up properly and physically connected to the router you are ready to begin configuring the
router for your application. To access the Administration menu use any web browser pointed at http:// 192.168.1.10. A
login screen appears as shown below. The default User ID is “ctek” (without the quotes) and the default Password is also
“ctek”. Be sure to change the user ID and password and record your new selections. Later in this document, the set-up of
additional users is covered.
Note: Beginning with release 4.2 a login attempt counter in in place. Three consecutive failed login attempts on either
the LAN or WAN connection will cause that method of access to lock for 15 minutes. Within that 15-minute window, any
subsequent attempts to login will extend the locked period by an additional 15 minutes. This feature is standard in all
SkyRouters. Additional intrusion prevention capabilities can be found in the TCOPlus option.
Figure 5 Login Screen

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When you have completed the login process you will be presented with the top-level administration menu. Notice that the
SkyRouter’s firmware release level, input voltage level, and ambient temperature inside the case are displayed.
Figure 6 - Z4200 Top Menu
An optional top level menu is displayed if IPsec settings have previously been set to allow only secure traffic. Figure 9
shows this menu page which differs from the previous images in that it eliminates the button for the routing function.
Routing and port forwarding are not available in configurations where all of the IP traffic is being routed through an IPsec
tunnel.

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Figure 7 - Z4200 Menu without routing
Figure 7 - Z4400 Top Menu

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Note that the administration menu is divided into four sections. The Interfaces section deals with physical connectivity,
managing the connection and subtended devices. Status screens are provided for the wireless and Ethernet interfaces.
Services are applications that are within the router core to modify the behavior of a specific interface or to change system
wide parameters within the router core. Under the Options category users can find any optional or custom applications
and tools provided to maintain the router.
Important Note – The Restart button must always be used to apply any changes made on specific
Interface, Service, or Options screen.
4.2 Interfaces
4.2.1 Configuring The Wireless Interface
The configuration screen for the Model Z4200 (EVDO and 1xRTT) wireless interface is shown below in Figure 10 and
described in the text following. Figure 12 and its associated text describes the wireless interface provided with the Model
Z4400 for use on HSPA, UMTS, GPRS, and EDGE networks.
Figure 8 - Z4200 (CDMA) Wireless Interface
Network Select –Note: This setting should only be changed after consulting with Ctek Support. This pull down
menu allows the user to control the home network setting of the CDMA connection, effectively limiting the scope of the
Preferred Roaming List (PRL) assigned by your wireless network operator.

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Figure 9 - Z4200 Network Select
User Name and Password – Required for activation on some networks. See TechNotes for specific usage.
LCP Echo – Used on some International networks. For all US networks LCP echo packets should be turned off, meaning
this box should be unchecked. If you have questions check with Ctek support.
Wireless Connection – Used to enable/disable the wireless WAN connection.
Disabled – Turn off WAN connection
Enabled – Turn off WAN connection
Inactivity Timer – Used to specify a duration of no outbound or incoming traffic after which the WWAN connection will be
re-established.
Figure 10 - Z4400 (HSPA) Wireless Interface

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Network Select – Available settings are Automatic, Prefer A Network, or Demand a Network.
Automatic – Allow radio to select network based on SIM and signal quality
Prefer a Network – Similar to Automatic with a bias towards the network ID specified in the Network ID field
Demand a Network – Make every effort to use the network specified in the Network ID field
User Name and Password – Normally blank. Required for activation on some networks. See TechNotes for specific
usage.
Connection State – Used to enable/disable the wireless WAN connection.
Disabled – Turn off WAN connection
Enabled – Turn off WAN connection
Inactivity Timer – Used to specify a duration of no outbound or incoming traffic after which the WWAN connection will be
re-established.
APN1 – APN3 – APNs are assigned the network operator. The APN determines what IP addresses are assigned to the
mobile station, what security methods are used, and how the GSM data network connects to the customer’s network.
Beginning in release 4.02.02 up to three APNs and their associated authentication information are supported. A pull down
allows one of the three APNs to be selected, or in Auto mode each APN will be used to attempt to make a connection until
the connection is completed. In auto mode during the initial connection the APNs are tried in a round-robin mode starting
with the first populated APN. After the initial connection subsequent attempts to connect to the network will begin with the
APN providing the last good connection. The authentication fields provided for each APN are:
Authentication – Available settings are None, PAP, CHAP, BOTH. Usually set to none but may be required on
some networks.
User Name – If required will be provided by the network operator.
Password – If required will be provided by the network operator.
PDP Address – Provided by the network operator. Specifies the address of a particular device’s Packet Data Protocol
context area in the network.
LCP Echo – Used on some International networks. For all US networks LCP echo packets should be turned off, meaning
this box should be unchecked. If you have questions check with Ctek support.
SMSC Address – Short Message Service Center Address. A number prefixed with a plus (+) sign that specifies the
service center that will handle SMS traffic. Provided by the network operator.
Email Gateway – A number (address) specifying a gateway that will transform email to SMS and SMS to email. Provided
by the network operator. Note that emails targeted at SMS delivery have network dependent formats.

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4.2.2 Configuring The Ethernet Interace
The Ethernet configuration screen presents two buttons that determine whether a unit will operate in Gateway mode
where a cellular WAN is used or in Network Client mode where the unit is subtended from one or more upstream routers
and may or may not receive its DHCP information from an upstream device. Figure 11 shows the mode selection buttons
and a configuration screen in the Network Gateway mode of operation.
Figure 11 - Ethernet Configuration – Network Gateway
Media Type – Determines the type of Ethernet connection. Auto allows router to determine what the connection is. This
setting is appropriate for most cases. Other settings are to select either 10Mb (10baseT), 100Mb (100baseT), Full Duplex
(FD), or Half Duplex (HD). Again, in almost all cases Auto will correctly determine the proper setting.
IP Address – Used to set the base address of the SkyRouter’s LAN segment.
Net Mask – The net mask that will be applied to the base LAN address to define the range of this LAN segment
DHCP Server – Choices are enabled or disabled.
DHCP Pool Start – The first address in the DHCP pool of assignable addresses.
DHCP Pool End – The last address in the DHCP pool of assignable addresses
DNS Address Source – Acquire from Network or User Defined. If Acquire from Network is selected the SkyRouter’s DNS
addresses will be automatically coordinated with the DNS addressing in use on the network. This is especially important
for mobile applications that may see DNS addressing changes as the SkyRouter moves from one area to another.
User defined DNS addressing is appropriate for VPNs or corporate networks where the customer manages the DNS.
DNS IP Address (Primary and Secondary) – If Acquire from Network is selected these fields will display the network
provided addresses. If User Defined DNS is selected these field will be used to load the DNS addresses.

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Figure 12 Ethernet Configuration – Network Client
IP Address – Used to set the base address of the SkyRouter’s LAN segment.
Net Mask – The net mask that will be applied to the base LAN address to define the range of this LAN segment
Gateway – The address of the upstream device that will supply routing..
DNS 1 & DNS 2 – The addresses of DNS servers that will supply name resolution for this unit.
4.2.1 The RS232/RS485 Interface
This screen sets basic parameters for the RS232 port and the auxiliary serial port. These settings should be made to
correspond to those on the far end of the serial connection or serial over IP emulation. The RS232 and RS485 serial ports
are available for all applications and can be connected to the TCP or UDB P

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