|Gemini-2 and Gemini-1 Telescope Mount Controller|
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Connecting to Web interface of Gemini 2
This guide will help you connect using the Ethernet connection to your Gemini 2. NOTE: "PORT E" AT THE TOP IS NOT AN ETHERNET PORT. DO NOT CONNECT AN ETHERNET CABLE INTO IT. Also make sure you do not plug the Ethenet cable into Port F.
Advantages of using Ethernet over other connections interfaces.
Connecting to a Network:
Gemini 2 firmware can be updated using a built-in web interface. In order to use the web
interface, you will need to make a network connection between Gemini and your computer.
Note: the Ethernet Port on the Gemini-2 is a dual speed port
(10/100mbits). This means is either 10Mbits per second or 100 Mbits per
second which is determined by the device you are connecting too.
Because of this, connecting to a computer or device that has the
same speed liminations can be problematic. Most devices that only
have this speed range cannot detect what wiring an Ethernet cable
has. So if you are trying to connect the Gemini-2 to a
computer/laptop, that only has a 10/100 Mbits connection, the
connection is more than likely to fail. To prevent this, It takes
either an auto detecting Ethernet port or a 3 speed port such as a
10/100/1000 Mhz port to detect what kind of cable is being used. Most
modern routers are now what is called Gibit Routers (10/100/1000)
speed and can detect the cable type. Many of the Newer Win10 laptops
are also. The Gemini-2 cannot determine
the cable type. But this only has to be done on
one end of the cable by one GBit Device, IE a Gibit Computer, Router or
Switch. If your Computer, Router, or Switch is not a Gibit
model, you might have to use what is called a
cross-over cable, to allow the Gemini-2 and computer to see each
Now we will discuss networking methods for devices to get each others ID or IP address.
|Network with DHCP:|
|Supports (typical configuration for most home networks with a router): If you are connecting Gemini to an existing network through a switch, hub, router or wireless adapter, and there is a DHCP server on the network, use this procedure. Gemini will be assigned an IP address by the DHCP server. It is important that your computer also be set to either use DHCP to get an IP address, or use a static IP address on the same subnet.|
The Direct Method:
This is most easily done using a cross-over Ethernet cable directly between Gemini’s Ethernet connector and your computer’s network connector. If your computer has a 10/100/1000Mhz port then you can use either a crossover or a standard patch cable. Alternatively, you can use a Gibit Ethernet hub/switch (not a router) and standard cables between Gemini and the hub/switch and between your computer and the hub.
IP Address: In order to successfully communicate with your computer over the network, the Gemini 2 unit must have an IP address on the same subnet as the computer. There are several ways to do this depending on how you connect Gemini to a network. The following sections describe these methods.
If you use a direct Ethernet cable to directly connect your computer to Gemini, you’ll need to assign both the computer’s Ethernet port and Gemini-2 to IP addresses on the same subnet by hand. This assumes that your computer is not running a DHCP server on the network port. By default, if Gemini doesn’t get an IP address assigned by DHCP, it will use its stored value (192.168.0.111) by default). I know of no computer that can assign attached devices a DHCP address unless you have set it up for Internet Connection sharing. So the Static address is usually a must.
|Network without DHCP Support:|
You may also have an existing network that does not use a DHCP server to assign IP addresses.
Such a network may be using IP auto configuration or static IP addresses in all of your machines.
From Main Hand Controller Menu use "Menu"==>"Mount"==>"Network" to see this menu.
Configuring the ASCOM Gemini.net Driver to use an Ethernet connection:
|Of course to use the ASCOM Gemini.net driver, you must have ASCOM 6.2 installed and also the Gemini.net ASCOM driver. See http://www.ascom-standards.org/index.htm to download the latest ASCOM Platform, and then you can get the latest driver from this site. See the Menu selection at the top of the page Under Gemini-2 and download the Gemini.net ASCOM driver. Once you have the Gemini.net driver installed, goto this page to Configuring the ASCOM Driver Ethernet port.|
Enabling NetBios over TCIP for Local Network:
Netbios is what will allow you to use the
http://gemini if using
a web page to access the Web interface, or
using Windows File manager to access the directories/files of the micro
SDcard, instead of http://192.168.0.111
(or what ever the Gemini-2 ip address is), or again
accessing the SD card contents.|
Some Windows systems do not have NetBios enabled.
Note: Normally the default setting on Windows assumes the following: "Use NetBios setting from the DHCP server." However, if a static IP address is used or the DHCP server does not provide NetBios setting, then enable NetBios over TCIP"
See this page for instructions on how to do this for Windows 7, XP and 95/98/ME.
|There is also one other thing to take into account when connecting the Gemini-2 itself, or any WiFi enabled device. If you are using a bridge to connect the Gemini-2 using WiFi then you need to be aware that some routers let you block WiFi connected devices by there MAC address.|
|Microsoft Net Framework 4.5 is required for the Gemini.net driver and ASCOM 6.1 to function. Note that Microsoft Net 3.5 Framework is installed by default in Windows 7, but it might not be turned on. You will have to download the Net Framework 4.5 from Microsoft. See Microsoft .Net Framework 4.5|
May I suggest you invest in a cheap but effective Cat5/Cat6 cable tester. Cost me less than $5.00 including shipping.
RJ45-RJ11-Cat5e-Cat6-Network-Lan-Cable-Tester from Ebay for about $5.00 or search Ebay for RJ45-RJ11-Cat5e-Network-Lan-Cable-Tester or web for NHSL-468
Here is an example of it. Works great, and easy to use.
|Page last updated on May 10, 2016|
|This site is not for profit and sells nothing and asks for no money for any help it provides. This site is here to help fellow Gemini-2 and Gemini-1 owners. This Web Site is not associated with Losmandy-Hollywood General Machining Inc. or any of their employees and never has been. There is no guarantee that all the information is correct, but strives to provide the best information possible. The use of any information is at your own risk. The webmaster is an unpaid beta tester, and tries to work with other beta testers, and René the writer of the firmware.|
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Gemini-2 and Gemini is a registered trade names of Hollywood General Machining Inc.