Cable / adapter note · not an individual product specification
The useful distinction
Understand the requirement.
The 740-002N-003 adapter pattern specifies FC–ST coupling and sleeve choices, not a fiber category or optical-link verdict. [C340A]
In that Corning adapter table, N=1 selects a metal sleeve and N=2 selects a ceramic sleeve. This choice does not by itself identify the fiber, polish, port or optical budget of the surrounding link. [C340B]
Bounded facts, visible unknowns
Specifications and limits
Corning FC–ST square-flange hybrid adapter series facts and limitations
Not included. Check exact device and accessory documentation.
A boundary, not an omission to guess around.
This is a named-series reference, not a selected SKU, inspected sample, complete link design or a purchase recommendation. No transmitter/receiver pairing, performance, fabrication or installation approval is granted.
Before you connect
What to check
Match the exact manufacturer series and selected variant.
Check each endpoint and its mating polish independently.
Resolve fiber category, organization and any required Tx/Rx map.
Check exact equipment, wavelength, loss budget and safe handling separately.
AI-assisted inspection is not independent engineering review. Source scope and access limitations are disclosed below. Procedural checklists are editorial requirements, not hardware measurements.
C340ASource checked · pending review
Corning lists 740-002N-003 as an FC–ST square-flange coupling-adapter pattern within its 740-series FC-PC adapter table. It is an adapter reference, not a patch cord with a supplied fiber category or an active media converter.
Locator: Pages 1 and 3: 722-series key and ferrule description; 740-series FC and hybrid FC-ST ordering table. Access: public pdf text. No universal FC key-width, ferrule-diameter, polish-conversion or loss-budget assertion. Do not use the panel-mount descriptions as mating-interface dimensions.
Claim scope: CAH-136_AEN revision 2016-11-29, page 3; selected order pattern only; current availability not checked.. Next review due 2027-01-06.
C340BSource checked · pending review
In that Corning adapter table, N=1 selects a metal sleeve and N=2 selects a ceramic sleeve. This choice does not by itself identify the fiber, polish, port or optical budget of the surrounding link.
Locator: Pages 1 and 3: 722-series key and ferrule description; 740-series FC and hybrid FC-ST ordering table. Access: public pdf text. No universal FC key-width, ferrule-diameter, polish-conversion or loss-budget assertion. Do not use the panel-mount descriptions as mating-interface dimensions.
Computer-generated illustration with prior AI visual review. Not a photograph, measurement or compatibility check. Independent technical and rights review pending.
Assessment 2026-10-22 · earliest scheduled source review 2027-01-05. This is a recorded-date assessment, not a live source check. Page-level independent review is not established by this panel.
Scoped support: 722-series connector and 740-series adapter examples in the 2016-11-29 revision.
Not established / limitations: No universal FC key-width, ferrule-diameter, polish-conversion or loss-budget assertion. Do not use the panel-mount descriptions as mating-interface dimensions.
Locator: Pages 1 and 3: 722-series key and ferrule description; 740-series FC and hybrid FC-ST ordering table.
Trace 2 claims to their source records
C340A · P340
Corning lists 740-002N-003 as an FC–ST square-flange coupling-adapter pattern within its 740-series FC-PC adapter table. It is an adapter reference, not a patch cord with a supplied fiber category or an active media converter.
Claim scope: CAH-136_AEN revision 2016-11-29, page 3; selected order pattern only; current availability not checked.
In that Corning adapter table, N=1 selects a metal sleeve and N=2 selects a ceramic sleeve. This choice does not by itself identify the fiber, polish, port or optical budget of the surrounding link.
Claim scope: CAH-136_AEN revision 2016-11-29, page 3; no connector or panel fabrication dimensions published.
Recorded evidence only. An inspection date, publisher label, source link or generated packet is not independent technical review, hardware testing, fabrication approval or a compatibility verdict.
