{"product_id":"pegasus-astro-stepper-motor-cable-for-starlight-msm-and-rigel-nstep-motors","title":"Pegasus Astro Stepper Motor Cable for Starlight MSM and Rigel nStep Motors","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis is the Pegasus Astro adapter cable that connects a Starlight Instruments MSM or a Rigel nStep stepper motor to a Pegasus focus controller. It is an RJ45 to RJ11 lead on a custom pinout, one metre long — the specific wiring those motors need, rather than a generic network cable that happens to have the right plugs.\u003c\/p\u003e\n\u003cp\u003ePegasus Astro lists it as the cable for the Starlight MSM 25, 30 and 35 and for Rigel nStep motors.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eWho It's For\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis is a good match if you:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlready own a Starlight Instruments MSM motor\u003c\/strong\u003e and want to drive it from a Pegasus Dual Motor Focus Controller or powerbox rather than replace it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRun a Rigel nStep motor\u003c\/strong\u003e and are moving to Pegasus control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAre consolidating onto one control platform\u003c\/strong\u003e and would rather keep the focus motor you have than buy another.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeed a spare\u003c\/strong\u003e for a permanent observatory installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRJ45 to RJ11 on a custom pinout:\u003c\/strong\u003e wired specifically for the MSM and nStep motors, which is what makes it work where an off-the-shelf lead does not.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne metre length:\u003c\/strong\u003e sized for the run from a focuser-mounted motor to a controller on the same rig.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRJ45 at the controller end:\u003c\/strong\u003e the motor connector used across the Pegasus focus controllers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeeps existing motors in service:\u003c\/strong\u003e an adapter cable rather than a reason to replace working hardware.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eRecommended Uses\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDriving a Starlight MSM 25, 30 or 35 from a Pegasus Dual Motor Focus Controller.\u003c\/li\u003e\n\u003cli\u003eConnecting a Rigel nStep motor to a Pegasus focus controller.\u003c\/li\u003e\n\u003cli\u003eKeeping a spare on hand in an observatory where a cable fault costs a night.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eCompatibility and Accessory Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMotors:\u003c\/strong\u003e Starlight Instruments MSM 25, MSM 30 and MSM 35, and Rigel nStep motors — the fitment Pegasus Astro publishes for this cable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eController end:\u003c\/strong\u003e RJ45, the motor connector on the Pegasus Dual Motor Focus Controller and compatible units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom pinout matters.\u003c\/strong\u003e This is not interchangeable with a standard RJ45–RJ11 telephone or network adapter; the wiring order is specific to these motors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifferent motor?\u003c\/strong\u003e Pegasus publishes other cables for other motors — tell us what you have and we will match it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eGood to Know Before You Order\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThis is a cable, not a controller.\u003c\/strong\u003e It connects an existing motor to an existing controller; both are separate products.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne metre.\u003c\/strong\u003e That covers a motor on the focuser to a controller on the same telescope. If your controller sits further away, let us know and we will look at the options with you.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePegasus Astro does not publish a weight for this cable.\u003c\/strong\u003e Our declared shipping weight of 1 lb is a carrier minimum, not the cable's true mass — worth knowing if you are ordering several small items together, since the declared weights add up rather than the real ones.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs it difficult to set up?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. RJ45 into the controller's motor port, RJ11 into the motor. There is nothing to configure on the cable itself.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use an ordinary RJ45 to RJ11 cable instead?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The pinout is custom to these motors, which is the whole reason this part exists.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich motors does it fit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eStarlight Instruments MSM 25, 30 and 35, and Rigel nStep motors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it work with the Ultimate Powerbox?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe powerboxes with a stepper motor port use the same RJ45 motor connector. Tell us which unit you have and we will confirm it for your setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a temperature probe included?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Temperature sensing comes from the controller and its own probe, which is a separate part.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eBottom Line\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIn short: the one-metre RJ45 to RJ11 custom-pinout lead that lets a Starlight MSM or Rigel nStep motor run from a Pegasus focus controller — so the motor you already own stays in service.\u003c\/p\u003e","brand":"Pegasus Astro","offers":[{"title":"Default Title","offer_id":54144508559471,"sku":"PEG-CMOT-MSM","price":25.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/Stepper-Motor-Cable-for-Starlight-MSM-Rigel-Motor.png?v=1787782223","url":"https:\/\/ontariotelescope.com\/products\/pegasus-astro-stepper-motor-cable-for-starlight-msm-and-rigel-nstep-motors","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}