• Explore Scientific dual plug RS-232 adapter ES-ASCOM-Y with DB9 FTDI and USB Mini B connectors ideal for beginner astronomers providing a reliable and compatible dual connection solution for controlling their Explore Scientific goto equatorial mount with ASCOM compatible planetarium software and astrophotography applications on a PC or laptop — Telescope Wolves
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Explore Scientific

Explore Scientific Dual Plug RS‑232 Adapter (ES‑ASCOM‑Y) — DB9 (FTDI) + USB‑Mini B

Explore Scientific Dual Plug RS‑232 Adapter (ES‑ASCOM‑Y) — DB9 (FTDI) + USB‑Mini B

$34.99
$34.99
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Connect Your Computer to Your GoTo Mount for Software Control

Want to control your telescope from a laptop, update mount firmware, or use planetarium software like Stellarium or Cartes du Ciel? This dual-plug adapter connects your computerized mount to your PC via either a USB port or a traditional serial (DB9) port — whichever your setup requires.

The FTDI chipset means it's recognized automatically as a standard COM port on Windows, macOS, and Linux with minimal driver hassle.

Who This Is For

  • GoTo mount owners who want to control their telescope from a computer
  • Anyone updating mount firmware via RS-232
  • Users connecting to ASCOM-compatible telescope control software

Key Features

  • Dual connectors: DB9 serial and USB 2.0 Mini-B — works with older and newer PCs
  • FTDI chipset for reliable virtual COM port recognition on Windows, macOS, and Linux
  • Full RS-232 signal support for firmware updates and mount control
  • Long cable for flexible positioning

Specs
Model ES-ASCOM-Y
Connectors DB9 (9-pin male) + USB 2.0 Mini-B (male)
Chipset FTDI
OS compatibility Windows, macOS, Linux
Use case ASCOM mount control, firmware updates, telescope software
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Frequently Asked Questions

With a beginner telescope you can see a surprising amount — the craters and mountains on the Moon, the rings of Saturn, the moons of Jupiter, and star clusters like the Pleiades. As you get more comfortable, you can also spot nebulae and distant galaxies. Not sure which beginner telescope is right for you? Check out our Telescope Buying Guide.
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All telescopes on Telescope Wolves are hand-picked with beginners in mind. If you're unsure which telescope is right for you, check out our Telescope Buying Guide.
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