FIELD GUIDESource-led reference

E204 · No electrical assignment published

MT-RJ fiber connector engineering reference

ExactSFMTRJBK:receptacle role,OptiChannelseries,Snap-InKeystonemounting,phosphorbronzesleeves.

Source checked · no independent review claimed · Fabrication approved: no

MT-RJ fiber connector — original, not-to-scale identification schematic; drawing review pending
View Not declared in this illustrationDepiction Plug/receptacle role not specifiedNot to scale · independent drawing review pending
Identification schematic only · not to scale · drawing review pending. No engineering drawing is published for this profile.

Orientation

How to read this profile

ActualREV9/2026one-pageobliquephotographviewed;no numberedfiberfaceor axisdefineddrawing.

Source-scoped identification facts

Each value retains its exact example, role and measurement axis. Facts from different parts must not be combined into an invented component.

Documented examples; not a mating drawing or compatibility approval
Connector roleMT-RJ receptacle/adapter (ExactHubbellOptiChannelSFMTRJBK receptacle/adapter;not MT-RJplug)S955Current primary-source scoped values; named examples remain separate and unknowns are not inferred from illustrations. ExactHubbellOptiChannelSFMTRJBK receptacle/adapter;not MT-RJplug
ManufacturerHubbell Premise Wiring (ExactHubbellOptiChannelSFMTRJBK receptacle/adapter;not MT-RJplug)S955Current primary-source scoped values; named examples remain separate and unknowns are not inferred from illustrations. ExactHubbellOptiChannelSFMTRJBK receptacle/adapter;not MT-RJplug
SeriesOptiChannel (ExactHubbellOptiChannelSFMTRJBK receptacle/adapter;not MT-RJplug)S955Current primary-source scoped values; named examples remain separate and unknowns are not inferred from illustrations. ExactHubbellOptiChannelSFMTRJBK receptacle/adapter;not MT-RJplug
Exact part / implementationSFMTRJBK (ExactHubbellOptiChannelSFMTRJBK receptacle/adapter;not MT-RJplug)S955Current primary-source scoped values; named examples remain separate and unknowns are not inferred from illustrations. ExactHubbellOptiChannelSFMTRJBK receptacle/adapter;not MT-RJplug
View conventionActualone-page productphoto is obliquefront/topview ofkeystone adapter; no contactfaceor dimensionaldrawing (ExactHubbellOptiChannelSFMTRJBK receptacle/adapter;not MT-RJplug)S955Current primary-source scoped values; named examples remain separate and unknowns are not inferred from illustrations. ExactHubbellOptiChannelSFMTRJBK receptacle/adapter;not MT-RJplug

Not recorded: Dimensions / axis, Mounting, Coupling / latch, Keying / polarization, Shell / form, Recorded markings. Unknown fields stay unknown; illustrations supply no measurements or pin assignments.

Report a correction to these facts →

Unknowns stay unknown.

  • Textblackhousing andlight/grey productphoto disagree;housingcolor remainsunresolved.
  • The0.58x0.76inch Size field lacksnamedaxes;no guessedwidth,height orfootprint is imported.
  • 125micron isfiber size,not electricalcontactpitch or outerferrulediameter.
  • Guidepinroles,exactopticalfiberpopulation,polish andcomplete linkpolarity require separate exactassemblyevidence.

Your next step

Use the detail without guessing past its limits.

Source trail

Claims and sources

C204Esource checked

Hubbell SFMTRJBK is listed as an MT-RJ receptacle/adapter with Snap-In Keystone mounting hardware and phosphor bronze sleeves.

Hubbell Premise Wiring · OptiChannel SFMTRJBK MT-RJ Snap-Fit specsheet ↗
Actualone-page PDFtext and150dpi pixels: catalogID,ConnectivityReceptacle,MaterialMountingHardwareSnap-InKeystone,phosphorbronzesleeves,revisionfooter. · Text says black housing but photograph appears light/grey; color is unresolved,not an observed exact-part color. Size0.58x0.76inch has no named axes and is not normalized.125micron is fiber size,not contact pitch or outer ferrule diameter.

1 source record support this profile. No independent engineering review or hardware validation is claimed.

Evidence behind this page

Scope first. Source second. Approval separate.

1 linked sources · 1 scoped claims · 0 sources with inspection/access flags.

Page scope: Text-only source reference. No contact-position,dimensioned,mating-tolerance or actual-size drawing supplied.

Assessment 2026-10-22 · earliest scheduled source review 2027-01-20. This is a recorded-date assessment, not a live source check. Page-level independent review is not established by this panel.

Inspect 1 source scopes, access limits and dates

S955 · OptiChannel SFMTRJBK MT-RJ Snap-Fit specsheet

Hubbell Premise Wiring · Unclassified publisher domain · inspected 2026-10-22 · due 2027-01-20

Within inspection window

Scoped support: ExactSFMTRJBK receptacle/adapter mounting context only; no MT-RJ plug geometry.

Not established / limitations: Text says black housing but photograph appears light/grey; color is unresolved,not an observed exact-part color. Size0.58x0.76inch has no named axes and is not normalized.125micron is fiber size,not contact pitch or outer ferrule diameter.

Locator: Actualone-page PDFtext and150dpi pixels: catalogID,ConnectivityReceptacle,MaterialMountingHardwareSnap-InKeystone,phosphorbronzesleeves,revisionfooter.

Trace 1 claims to their source records

C204E · P204

Hubbell SFMTRJBK is listed as an MT-RJ receptacle/adapter with Snap-In Keystone mounting hardware and phosphor bronze sleeves.

Claim scope: ExactHubbellOptiChannelSFMTRJBK receptacle/adapter;not MT-RJplug;125micronfiber size is not ferruleouterdiameter orcontactpitch.

Source links: S955 · Evidence trail → (private workspace)

Prepare this page for review → (private workspace)Read the evidence method →

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.