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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