
iOptron IStarFi Manual
iOptron iStarFi provides the Wi-Fi connection
capability to the following iOptron telescope
mounts:
iOptron CEM40/CEM40EC
1. Hardware connection:
Connect the iStarFi wireless module to a
CEM40/CEM40EC iPort on the mount using
supplied 6P6C RJ11 cable. Power on the
mount and you should see red LED indicator on
the iSTarFi.
If the iPort is previously occupied by GPS
module, just simply remove the GPS module
and plug the iStarFi after GPS OKed.
2. WI-FI Connection
(1) For a Windows/Mac Operation System
Open the Wi-Fi connection panel on your
device, Find a Wi-Fi SSID called
“iStarFi_XXXXXX”, then connect.
(2) Tablet/SmartPhone with iOS
Connect the Tablet/SmartPhone to
iStarFi_XXXXXX wireless network
3. Connect the Mount
(1) Windows
After connect the computer to the iStarFi WIFI
network, launch iOptron Commander to connect
the mount to your computer via Wi-Fi/Ethernet
connection. Now you can use your favorite
ASCOM compatible software to control the
mount.
(2) Tablet/SmartPhone with SkySafari
The App needs be configured first.
Step 1. Click settings.
(3) Tablet/SmartPhone with Other OS
Open the Wi-Fi connection panel on your
device, Find a Wi-Fi SSID called
“iStarFi_XXXXXX”, then connect it.

Step 2. Click Setup.
This procedure only needs to be performed
once unless you have changed settings in the
StarFi.
Then click Scope and Connect to connect the
mount.
Step 3. Select “iOptron CEM/iEQ Pro/AZ
Mount Pro” for Scope Type, and “Equatorial
GoTo (German)” for Mount Type. Turn off
Auto-Detect SkyFi. Change the IP Address to
10.10.100.254 and Port Number to 8899. Click
Done.
4. iStarFi configuration:
The iStarFi Wi-Fi adapter is shipped with no
password protection. You can change the
StarFi SSID and enable password protection so
only you can make the connection.
To change the StarFi settings:
(1) Turn on the iStarFi adapter by connect it
to a mount and turn the mount power on;
(2) Connect a computer/tablet/SmartPhone
to iStarFi;
(3) Open the internet browser and type in
http://10.10.100.254
;
(4) A login window will open. Enter “admin”
as both User Name and Password;
(5) Go to AP Settings;

(6) Now you can change the SSID name
from iStarFi to Your Name, enable
WPA2 encryption, etc.;
(7) You may also go to account to change
login name and password;
(8) Then restart the iStarFi adapter by
power off/on the mount or press the
RESTART button with a sharp tip, such
as a tooth pick, on the iStarFi adapter.
Note:
1. Please keep the iStarFi at AP (access point)
mode
2. If ever you forgot your password, use a sharp
tip to Press and Hold the RESET button to reset
the WI-FI adapter to factory default settings.