4 administration, configuration and status – CTEK Z4300U SkyRouter User Manual
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22 September 2009
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3.1 Power
Before starting connect the supplied 12VDC power adapter to the power connector 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 solutions 
contact Ctek. 
 
3.2 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. 
 
3.3 Connecting to the Ethernet Port – Administrative Connection
 
For a direct Ethernet connection between a PC connect to the Ethernet port using a standard or reverse Ethernet cable. 
For initial configuration and administration with a PC or workstation Ctek recommends that the PC be set to obtain an IP 
address and obtain a DNS address automatically. For Windows PCs make the following settings under the networking 
control panel 
Figure 5
4 Administration, Configuration and Status
 
About Addressing – Devices connecting to GSM/EDGE/GPRS 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.
For detailed information see Ctek’s TechNote S001.
