What kind of computer uses serial port?

Used to be all your PCs came with a couple serial ports, now very rare. You will most likely need a usb to serial adapter to use this.

Is this compatible with older model of celestron nexstar 90gt(which has an older 4-pin port)

Should work with any requiring a serial connection. If computer has no serial port (most dont now a days, too slow). You will need a USB to Serial port adapter, Windows will install needed drivers.

I have nexstar 127 Slt , where can I put plug ?

The Phone jack end plugs into your hand controller, the serial end goes to your computer serial port or a usb - serial converter- see Celestron's Nexstar pages for details. Also : http://www.nexstarsite.com/ for all the Nexstar info you could want.

My computer to telescope distance is 30 ft and i also need rs232 to usb converter. which cable should be the 30ft one?

I haven't had a chance to test it, but it might be possible to use a USB over cat5/6 adaptor I have a set up for my Metro barcode scanner. I used it with several other devices and the response time was excellent.

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NexStar RS-232 Cable

Product ID: 2097463

Details

Brand
Celestron
Connector Type
Rs-232
Cable Type
USB
Compatible Devices
Laptop Monitor
Special Feature
Data Transfer

💻Connects to PC

📏62-inch length

🔌RS-232 jack

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16250 Ft

Duties & taxes included

In stock

Sold byAmazon HungaryDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔭 Elevate Your Stargazing Game!

EXTENDED REACH - 62-inch length provides flexibility in setup without compromising on performance.
USER FRIENDLY DESIGN - Standard serial connector ensures compatibility with a wide range of devices.
DATA DRIVEN ASTRONOMY - Download new data directly into your telescope's database for enhanced stargazing.
SEAMLESS CONNECTIVITY - Easily interface your NexStar telescope with your laptop or PC for a stellar experience.
SKY MAPS AT YOUR FINGERTIPS - Control your telescope effortlessly by clicking on sky maps displayed on your computer.

The Celestron NexStar RS-232 Cable is a 62-inch interface cable designed to connect your NexStar telescope to a laptop or PC, allowing for easy control and data updates. With an RS-232 jack on one end and a standard serial connector on the other, this cable enhances your astronomical experience by enabling seamless interaction with digital sky maps.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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16250 Ft

Duties & taxes included

In stock

Sold byAmazon HungaryDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Hungary.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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