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DB9 to RJ11 serial cable for Meade telescope 4p4c pinout

Ruth's sister

Ruth's sister DB9 to RJ11 Serial Cable 4p4c Meade 505 Telescope

SKU CH-7HTY-A5P96

A DB9 to RJ11 serial cable with 4p4c pinout connects Meade 505 telescopes and Autostar or Audio Star handsets to a PC

  • Connects Meade 505 telescope to PC via DB9 serial port
  • 4p4c RJ11 pinout matches Autostar and AudioStar hand controllers
  • Supports ETX-90, ETX-125, LXD75, LX80 and LX90 models
  • Works with Meade 497 handset for firmware updates and control

DB9 to RJ11 cable for Meade telescopes

This serial cable connects a DB9 port to an RJ11 4p4c connector using the Meade 505 pinout. It is built for astronomers who need to link a PC or legacy controller to Autostar and AudioStar handsets on ETX-90, ETX-125, LXD75, LX80, LX90 and Meade 497 models. The cable is new and ready for observatory or field use.

Passive wiring draws no external power

The cable carries only low-voltage signalling between the computer and the hand controller so thermals, fan noise and power draw are not factors in normal operation. No active components mean there is nothing to overheat or require additional cooling. Buyers who need USB connectivity or a different pinout will need a separate adapter.

How it compares

Measured against everything we stock in Internal PSU & Riser Cables, at today’s prices. Recalculated every night.

Price $9.99
Cheaper than about 80% of the 7,839 comparable items (median $14.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How do I connect the DB9 to RJ11 cable to my Meade 505 telescope, and which step is often missed?

Plug the DB9 end into the PC serial port or USB adapter, then insert the RJ11 4p4c plug into the telescope hand-control port; the step often missed is confirming the 4p4c pinout matches the Meade 505 before powering on.

What maintenance or replacement will the DB9 to RJ11 serial cable need over time?

Inspect the RJ11 latch and DB9 thumbscrews for wear; replace the cable if the latch no longer clicks or if the DB9 pins become bent, as no internal components are serviceable.

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