FIELD GUIDESource-led reference
Port & Cable

P201 / Pluggable I/O / Connector

QSFP+ host connector form

The QSFP+ host connector is a 38-position pluggable-I/O form in the cited connector series.

Also called QSFP QSFP+ 38 pin QSFP

A QSFP-family cage does not by itself establish Ethernet generation, optics, copper reach or module support.

Look for

Read the exact host and transceiver specifications; use the connector form only as the first identification step.

Claim inspection dates: 2026-10-05, 2026-10-11 · Independent review pending

QSFP+ host connector form: three-quarter view. Computer-generated illustration, not a photograph.

Three-quarter view Computer-generated illustration with prior AI visual review. Not a photograph, measurement or compatibility check. Independent technical and rights review pending.

QSFP+ host connector form: mating face. Computer-generated illustration, not a photograph.

Mating face Computer-generated illustration with prior AI visual review. Not a photograph, measurement or compatibility check. Independent technical and rights review pending.

QSFP+ host connector form: fitted in place. Computer-generated illustration, not a photograph.

Fitted in place Computer-generated illustration with prior AI visual review. Not a photograph, measurement or compatibility check. Independent technical and rights review pending.

QSFP+ host connector form: original recognition drawing, not to scale.

Recognition drawing Original schematic, not to scale. Drawing review pending.

Image inspection / P201

See the view. Check its scope.

1 registered view for this reference. Different part examples are not automatically mates; all remain not to scale and independently unapproved.

QSFP+ host connector form: QSFP+ host connector form / 38 positions. Equipment-side pluggable-module cage opening; simplified front face. Qualitative source-linked recognition study, not a pinout or a dimensional guide. (private workspace)

P201 / Inherited recognition study

QSFP+ host connector form

QSFP+ host connector form

Equipment-side pluggable-module cage opening; simplified front face · Other declared component

Not to scale. Technical and rights review pending.

Inspect view & provenance (private workspace)

Network notes / Pluggable hosts / P201

Is a QSFP connector listing the same as a transceiver specification?

FIELD NOTES 05

No. Amphenol’s ExpressPort listing distinguishes an SMT host connector from the associated press-fit cage. That mechanical product description is not a supported transceiver list or a guarantee of any particular network rate.

Identify first

Read the part and the device.

Identify whether the item for sale is a host connector, cage assembly, transceiver or direct-attach cable. The similar family names do not make those roles interchangeable.

Still unresolved

Keep this requirement open.

Module support, generation interoperability, installed port speed and optics compatibility remain unresolved. Mixed rate/generation marketing on the cited page is not used as proof.

Not established · named example only

Does a host connector/cage page approve a module for a switch?

The Amphenol pages identify host-side components, not an installed switch/module pairing.

Boundary. No cross-generation, firmware or optical support is implied.

Next check. Use the exact switch or NIC vendor’s module qualification list.

S507 · S508 · C200C (private workspace) · C201C (private workspace)

Before choosing the cable or component

  1. Identify the item’s exact part number and host/component role.
  2. Consult the host vendor’s supported module and operating-mode information.
  3. Confirm the required cable or optic and peer device as a separate link check.
Read the evidence and its scope · 2 observations

C201A (private workspace) — Amphenol identifies its ExpressPort QSFP+ connector as a 38-position host interface.

V36 catalogue-expansion identification fact only; not independent technical approval, fabrication data, wiring instruction or end-to-end compatibility proof.

S204

C201C (private workspace) — Amphenol describes its ExpressPort QSFP construction as a 38-position surface-mount connector and a press-fit cage, with several cage configurations. These are host-side components, not an optical link specification.

V121 named-product or explicitly scoped manufacturer distinction only; no wiring instruction, independent engineering approval or end-to-end compatibility guarantee.

S508

Source interpretation is not independent engineering review, hardware testing, wiring advice or a public-release approval.

Visual atlas / P201 / 2026

Recognize the right physical clue.

FIGURE · REVIEW PENDING
QSFP+ host connector form: QSFP+ host connector form / 38 positions. Equipment-side pluggable-module cage opening; simplified front face. Qualitative source-linked recognition study, not a pinout or a dimensional guide.
Equipment-side host cage. Equipment-side pluggable-module cage opening; simplified front face.

What to look for

QSFP+ host connector form / 38 positions

What the drawing does not prove

Qualitative widths show different host form classes; no cage dimension, connector contact or faceplate is copied.

Neither shared module names nor cage resemblance guarantees optical, copper, speed, firmware or vendor support.

No fabrication dimensions, conductor routing, guaranteed fit or device approval. For electrical, power and optical interfaces, follow the original equipment instructions.

Figure evidence, orientation & usage rights

Uses previously recorded V112 manufacturer claim/source inspections; October 2026 supplementary public-source spot checks are documented separately, not treated as a refreshed approval.

Original Port & Cable interpretive vector, no third-party photo, copied CAD, logo or vendor drawing. Third-party product photos, logos and source drawings are not redistributed. No independent technical or rights certification is claimed.

Original claim identifiers: C201A (private workspace). Legacy evidence dates and rights assessments remain as recorded.

The useful distinction

Recognize it. Then verify it.

The QSFP+ host connector is a 38-position pluggable-I/O form in the cited connector series. [C201A]

Amphenol describes its ExpressPort QSFP construction as a 38-position surface-mount connector and a press-fit cage, with several cage configurations. These are host-side components, not an optical link specification. [C201C]

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
Nominal contacts38S204Source-backed host-connector position count; no V36 channel or pin assignment.
Positions / cavity span38 (Claim C201A); 38 (Claim C201B); 38 (Claim C201C)S204 · S218 · S508Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. V36 catalogue-expansion identification fact only; not independent technical approval, fabrication data, wiring instruction or end-to-end compatibility proof. V37 engineering-depth sidecar fact; source-checked but not independently human-approved, not a fabrication drawing, and not a safe-substitution or repair instruction. V121 named-product or explicitly scoped manufacturer distinction only; no wiring instruction, independent engineering approval or end-to-end compatibility guarantee.
Contact pitch0.8 mm Example connector centerline / pitch (Recorded example component); 0.8 mm Source-described pitch / centerline (Claim C201B); 0.8 mm centerline (1761987-9)S218 · S218Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. example_component; QSFP+ host connector V37 engineering-depth sidecar fact; source-checked but not independently human-approved, not a fabrication drawing, and not a safe-substitution or repair instruction. 1761987-9. Documented role: socket. 38positions,SMT; recommendedPCB1.45mm is not connector geometry. Row count not present.
Connector rolesocket (1761987-9)S218Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. 1761987-9. Documented role: socket. 38positions,SMT; recommendedPCB1.45mm is not connector geometry. Row count not present.
Mountingsurface-mount (Claim C201C)S508Recorded source-scoped values; named examples do not describe every family variant or establish compatibility. V121 named-product or explicitly scoped manufacturer distinction only; no wiring instruction, independent engineering approval or end-to-end compatibility guarantee.
ManufacturerTE Connectivity (1761987-9)S218Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. 1761987-9. Documented role: socket. 38positions,SMT; recommendedPCB1.45mm is not connector geometry. Row count not present.
SeriesQSFP+ (1761987-9)S218Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. 1761987-9. Documented role: socket. 38positions,SMT; recommendedPCB1.45mm is not connector geometry. Row count not present.
Exact part / implementation1761987-9 (1761987-9)S218Named source examples retain separate role, part, view and axis limits; values are not a universal family specification. 1761987-9. Documented role: socket. 38positions,SMT; recommendedPCB1.45mm is not connector geometry. Row count not present.

Not recorded: Populated contacts, Contact rows, Dimensions / axis, Contact gender / arrangement, Coupling / latch, Keying / polarization, Shell / form, Recorded markings, View convention. Unknown fields stay unknown; illustrations supply no measurements or pin assignments.

Recorded variant and source limits
  • The 0.8 mm centerline is an example-component property and not a complete QSFP+ fabrication specification.
  • The full 38-contact signal map is not published from this evidence set.
  • QSFP+ / SFF-8436 Rev4.9: SFF-8436 Figure 2:20-38 top side viewed from top;1-19 bottom side viewed from bottom. They are not a frontal socket pin sequence. I/O is module-relative.
  • Avago / Broadcom AFBR-79EQDZ 40GBASE-SR4 QSFP+: Manufacturer module-card-edge contact numbering: Figure 7 p. 11 separately labels Top Side Viewed from Top and Bottom Side Viewed from Bottom. Contact functions transfer by number only to the mating host connector; no board solder-tail mirroring inferred.
Report a correction to these facts →

Bounded facts, visible unknowns

Specifications and limits

QSFP+ host connector form facts and limitations
Documented identification38-position QSFP+ host connector form. [C201A]
Mechanical dimensionsNo independently reviewed mechanical drawing in V36; do not use this page for fabrication, fit testing or tolerance work.
Engineering pinoutSource-checked engineering profile available; independent review pending. Open engineering profile →
Verified device listNot included. Check exact device and accessory documentation.
A boundary, not an omission to guess around.

Use the source-backed form or position count only for identification. Resolve ratings, protocol, direction, wiring, cable construction and exact device support from the relevant equipment and component documentation.

Before you connect

What to check

  1. Identify the exact connector family and variant from the equipment or cable documentation.
  2. Keep shape, contact count, protocol, electrical rating and device support as separate facts.
  3. Do not force, rewire or adapt a connector from this recognition record; resolve the remaining requirements first.
Trace a supported connection class →

Pins & wiring

Pinout

Choose the exact wiring. Pin numbers follow its stated view; a schematic does not establish physical positions. Check your exact device before wiring.

What the status labels mean
Confirmed
Recorded research passes agree within this variant; this is not independent human review or hardware validation.
Single source
Only one underlying document, or one pass, supports this assignment.
Device-specific
Supported for the named equipment or wiring only. Check your device’s manual.
Unverified
Missing or conflicting evidence. Do not wire from this row.
Not connected
The source explicitly says NC, no contact or no pin for this wiring.
Wiring variant

QSFP+ / SFF-8436 Rev4.9

View and evidence limits

SFF-8436 Figure 2:20-38 top side viewed from top;1-19 bottom side viewed from bottom. They are not a frontal socket pin sequence. I/O is module-relative.

  • P201 QSFP+ host — **Agree** on all 38 contacts — A: SFF-8436 rev 4.9. B: Avago/Broadcom AFBR-79EQDZ. Independent specification/manufacturer agreement, including lane polarity, controls and power. Both distinguish top pads viewed from top from bottom pads viewed from bottom; a frontal socket sequence or host solder-tail layout is not inferred.
  • QSFP28/QSFP56/CMIS, proprietary host adaptations and application-specific low-speed reuse are not mapped.
QSFP+ host connector mechanical identifierSFF-8436 Figure 2:20-38 top side viewed from top;1-19 bottom side viewed from bottom. They are not a frontal socket pin sequence. I/O is module-relative.SCHEMATIC · physical positions unconfirmedNot to scale · check the named wiring and device manual1: GND (confirmed)12: Tx2n (confirmed)23: Tx2p (confirmed)34: GND (confirmed)45: Tx4n (confirmed)56: Tx4p (confirmed)67: GND (confirmed)78: ModSelL (confirmed)89: ResetL (confirmed)910: VccRx (confirmed)1011: SCL (confirmed)1112: SDA (confirmed)1213: GND (confirmed)1314: Rx3p (confirmed)1415: Rx3n (confirmed)1516: GND (confirmed)1617: Rx1p (confirmed)1718: Rx1n (confirmed)1819: GND (confirmed)1920: GND (confirmed)2021: Rx2n (confirmed)2122: Rx2p (confirmed)2223: GND (confirmed)2324: Rx4n (confirmed)2425: Rx4p (confirmed)2526: GND (confirmed)2627: ModPrsL (confirmed)2728: IntL (confirmed)2829: VccTx (confirmed)2930: Vcc1 (confirmed)3031: LPMode (confirmed)3132: GND (confirmed)3233: Tx3p (confirmed)3334: Tx3n (confirmed)3435: GND (confirmed)3536: Tx1p (confirmed)3637: Tx1n (confirmed)3738: GND (confirmed)38powergrounddataConfigshieldNCUnknown
Schematic only · physical contact positions unconfirmed. Original drawing · not to scale. Scroll sideways if needed.
QSFP+ / SFF-8436 Rev4.9 — source-scoped contact map
PinSignalWhat it doesStatus
1GNDGround reference and return.Confirmed
Sources
2Tx2nSignal conductor. Pair, polarity and direction follow this named wiring.Confirmed
Sources
3Tx2pSignal conductor. Pair, polarity and direction follow this named wiring.Confirmed
Sources
4GNDGround reference and return.Confirmed
Sources
5Tx4nSignal conductor. Pair, polarity and direction follow this named wiring.Confirmed
Sources
6Tx4pSignal conductor. Pair, polarity and direction follow this named wiring.Confirmed
Sources
7GNDGround reference and return.Confirmed
Sources
8ModSelLControl, detection or configuration connection; check the source and device.Confirmed
Sources
9ResetLReset control; check active level and the named device.Confirmed
Sources
10VccRxPower connection (VccRx). Check the specified supply.Confirmed
Sources
11SCLControl, detection or configuration connection; check the source and device.Confirmed
Sources
12SDAControl, detection or configuration connection; check the source and device.Confirmed
Sources
13GNDGround reference and return.Confirmed
Sources
14Rx3pSignal conductor. Pair, polarity and direction follow this named wiring.Confirmed
Sources
15Rx3nSignal conductor. Pair, polarity and direction follow this named wiring.Confirmed
Sources
16GNDGround reference and return.Confirmed
Sources
17Rx1pSignal conductor. Pair, polarity and direction follow this named wiring.Confirmed
Sources
18Rx1nSignal conductor. Pair, polarity and direction follow this named wiring.Confirmed
Sources
19GNDGround reference and return.Confirmed
Sources
20GNDGround reference and return.Confirmed
Sources
21Rx2nSignal conductor. Pair, polarity and direction follow this named wiring.Confirmed
Sources
22Rx2pSignal conductor. Pair, polarity and direction follow this named wiring.Confirmed
Sources
23GNDGround reference and return.Confirmed
Sources
24Rx4nSignal conductor. Pair, polarity and direction follow this named wiring.Confirmed
Sources
25Rx4pSignal conductor. Pair, polarity and direction follow this named wiring.Confirmed
Sources
26GNDGround reference and return.Confirmed
Sources
27ModPrsLControl, detection or configuration connection; check the source and device.Confirmed
Sources
28IntLControl, detection or configuration connection; check the source and device.Confirmed
Sources
29VccTxPower connection (VccTx). Check the specified supply.Confirmed
Sources
30Vcc1Power connection (Vcc1). Check the specified supply.Confirmed
Sources
31LPModeControl, detection or configuration connection; check the source and device.Confirmed
Sources
32GNDGround reference and return.Confirmed
Sources
33Tx3pSignal conductor. Pair, polarity and direction follow this named wiring.Confirmed
Sources
34Tx3nSignal conductor. Pair, polarity and direction follow this named wiring.Confirmed
Sources
35GNDGround reference and return.Confirmed
Sources
36Tx1pSignal conductor. Pair, polarity and direction follow this named wiring.Confirmed
Sources
37Tx1nSignal conductor. Pair, polarity and direction follow this named wiring.Confirmed
Sources
38GNDGround reference and return.Confirmed
Sources
Sources (2)

Avago / Broadcom AFBR-79EQDZ 40GBASE-SR4 QSFP+

Device-specific wiring. Check your device’s manual before connecting or applying power.

View and evidence limits

Manufacturer module-card-edge contact numbering: Figure 7 p. 11 separately labels Top Side Viewed from Top and Bottom Side Viewed from Bottom. Contact functions transfer by number only to the mating host connector; no board solder-tail mirroring inferred.

  • P201 QSFP+ host — **Agree** on all 38 contacts — A: SFF-8436 rev 4.9. B: Avago/Broadcom AFBR-79EQDZ. Independent specification/manufacturer agreement, including lane polarity, controls and power. Both distinguish top pads viewed from top from bottom pads viewed from bottom; a frontal socket sequence or host solder-tail layout is not inferred.
  • QSFP28, later management variants, electrical cable modules and connector-manufacturer solder-tail geometry are not generalized from this QSFP+ optical-module source.
QSFP+ host connector mechanical identifierManufacturer module-card-edge contact numbering: Figure 7 p. 11 separately labels Top Side Viewed from Top and Bottom Side Viewed from Bottom. Contact functions transfer by number only to the mating host connector; no board solder-tail mirroring inferred.SCHEMATIC · physical positions unconfirmedNot to scale · check the named wiring and device manual1: GND (device_specific)12: Tx2n (device_specific)23: Tx2p (device_specific)34: GND (device_specific)45: Tx4n (device_specific)56: Tx4p (device_specific)67: GND (device_specific)78: ModSelL (device_specific)89: ResetL (device_specific)910: Vcc Rx (device_specific)1011: SCL (device_specific)1112: SDA (device_specific)1213: GND (device_specific)1314: Rx3p (device_specific)1415: Rx3n (device_specific)1516: GND (device_specific)1617: Rx1p (device_specific)1718: Rx1n (device_specific)1819: GND (device_specific)1920: GND (device_specific)2021: Rx2n (device_specific)2122: Rx2p (device_specific)2223: GND (device_specific)2324: Rx4n (device_specific)2425: Rx4p (device_specific)2526: GND (device_specific)2627: ModPrsL (device_specific)2728: IntL (device_specific)2829: Vcc Tx (device_specific)2930: Vcc1 (device_specific)3031: LPMode (device_specific)3132: GND (device_specific)3233: Tx3p (device_specific)3334: Tx3n (device_specific)3435: GND (device_specific)3536: Tx1p (device_specific)3637: Tx1n (device_specific)3738: GND (device_specific)38powergrounddataConfigshieldNCUnknown
Schematic only · physical contact positions unconfirmed. Original drawing · not to scale. Scroll sideways if needed.
Avago / Broadcom AFBR-79EQDZ 40GBASE-SR4 QSFP+ — source-scoped contact map
PinSignalWhat it doesStatus
1GNDGround reference and return.Device-specific
Sources
2Tx2nSignal conductor. Pair, polarity and direction follow this named wiring.Device-specific
Sources
3Tx2pSignal conductor. Pair, polarity and direction follow this named wiring.Device-specific
Sources
4GNDGround reference and return.Device-specific
Sources
5Tx4nSignal conductor. Pair, polarity and direction follow this named wiring.Device-specific
Sources
6Tx4pSignal conductor. Pair, polarity and direction follow this named wiring.Device-specific
Sources
7GNDGround reference and return.Device-specific
Sources
8ModSelLControl, detection or configuration connection; check the source and device.Device-specific
Sources
9ResetLReset control; check active level and the named device.Device-specific
Sources
10Vcc RxPower connection (Vcc Rx). Check the specified supply.Device-specific
Sources
11SCLControl, detection or configuration connection; check the source and device.Device-specific
Sources
12SDAControl, detection or configuration connection; check the source and device.Device-specific
Sources
13GNDGround reference and return.Device-specific
Sources
14Rx3pSignal conductor. Pair, polarity and direction follow this named wiring.Device-specific
Sources
15Rx3nSignal conductor. Pair, polarity and direction follow this named wiring.Device-specific
Sources
16GNDGround reference and return.Device-specific
Sources
17Rx1pSignal conductor. Pair, polarity and direction follow this named wiring.Device-specific
Sources
18Rx1nSignal conductor. Pair, polarity and direction follow this named wiring.Device-specific
Sources
19GNDGround reference and return.Device-specific
Sources
20GNDGround reference and return.Device-specific
Sources
21Rx2nSignal conductor. Pair, polarity and direction follow this named wiring.Device-specific
Sources
22Rx2pSignal conductor. Pair, polarity and direction follow this named wiring.Device-specific
Sources
23GNDGround reference and return.Device-specific
Sources
24Rx4nSignal conductor. Pair, polarity and direction follow this named wiring.Device-specific
Sources
25Rx4pSignal conductor. Pair, polarity and direction follow this named wiring.Device-specific
Sources
26GNDGround reference and return.Device-specific
Sources
27ModPrsLControl, detection or configuration connection; check the source and device.Device-specific
Sources
28IntLControl, detection or configuration connection; check the source and device.Device-specific
Sources
29Vcc TxPower connection (Vcc Tx). Check the specified supply.Device-specific
Sources
30Vcc1Power connection (Vcc1). Check the specified supply.Device-specific
Sources
31LPModeControl, detection or configuration connection; check the source and device.Device-specific
Sources
32GNDGround reference and return.Device-specific
Sources
33Tx3pSignal conductor. Pair, polarity and direction follow this named wiring.Device-specific
Sources
34Tx3nSignal conductor. Pair, polarity and direction follow this named wiring.Device-specific
Sources
35GNDGround reference and return.Device-specific
Sources
36Tx1pSignal conductor. Pair, polarity and direction follow this named wiring.Device-specific
Sources
37Tx1nSignal conductor. Pair, polarity and direction follow this named wiring.Device-specific
Sources
38GNDGround reference and return.Device-specific
Sources
Sources (1)

What is not established

This field note does not approve a connection, adapter, cable assembly, rewiring scheme or fabricated part. It intentionally omits unsupported pin assignments and mechanical tolerances.

Your next step

Move from the form to the requirement.

Read the engineering reference Source-scoped details, orientation and explicit unknowns.Work through a connection Choose your task before deciding on a cable.Explore this evidence trail Inspect the claims and their dependencies. (private workspace)

The source trail

Evidence for this page

AI-assisted inspection is not independent engineering review. Source scope and access limitations are disclosed below. Procedural checklists are editorial requirements, not hardware measurements.

Back to first citation ↑
C201ASource checked · pending review

Amphenol identifies its ExpressPort QSFP+ connector as a 38-position host interface.

Amphenol Communications Solutions · ExpressPort QSFP connector series ↗

Locator: QSFP series overview
Access: public page. Identification/reference scope only. V36 does not convert this source into a universal pinout, fabrication drawing, electrical approval or end-to-end compatibility verdict.

S204: full source recordInspect review dependencies → (private workspace)

Claim scope: V36 catalogue-expansion identification fact only; not independent technical approval, fabrication data, wiring instruction or end-to-end compatibility proof.. Next review due 2027-01-03.

Back to first citation ↑
C201CSource checked · pending review

Amphenol describes its ExpressPort QSFP construction as a 38-position surface-mount connector and a press-fit cage, with several cage configurations. These are host-side components, not an optical link specification.

Amphenol Communications Solutions · Amphenol ExpressPort QSFP — connector versus cage assembly ↗

Locator: Description: 38-position SMT connector and press-fit cage; single, ganged and stacked configurations
Access: public page. Mechanical component roles only. Mixed generation/rate marketing on this page is not used as interoperability or speed evidence. No raw HTML or manufacturer image archive is represented as retained.

S508: full source recordInspect review dependencies → (private workspace)

Claim scope: V121 named-product or explicitly scoped manufacturer distinction only; no wiring instruction, independent engineering approval or end-to-end compatibility guarantee.. Next review due 2027-01-09.

Suggest a correction to this field note →

Put this field note to work.

Add to discovery trayRecord an unsaved candidate (private workspace)

Compare look-alikes: SFP versus QSFP-family pluggable I/O

Candidate selection does not confirm the identity or capabilities of your physical item.

Evidence behind this page

Scope first. Source second. Approval separate.

2 linked sources · 2 scoped claims · 0 sources with inspection/access flags.

Page scope: catalogue_expansion_v36

Assessment 2026-10-22 · earliest scheduled source review 2027-01-03. This is a recorded-date assessment, not a live source check. Page-level independent review is not established by this panel.

Inspect 2 source scopes, access limits and dates

S204 · ExpressPort QSFP connector series

Amphenol Communications Solutions · Manufacturer / product-owner domain · inspected 2026-10-05 · due 2027-01-03

Within inspection window

Scoped support: Identifies a QSFP+ host connector form with 38 positions.

Not established / limitations: Identification/reference scope only. V36 does not convert this source into a universal pinout, fabrication drawing, electrical approval or end-to-end compatibility verdict.

Locator: QSFP series overview

S508 · Amphenol ExpressPort QSFP — connector versus cage assembly

Amphenol Communications Solutions · Manufacturer / product-owner domain · inspected 2026-10-11 · due 2027-01-09

Within inspection window

Scoped support: Mechanical component roles only. Mixed generation/rate marketing on this page is not used as interoperability or speed evidence.

Not established / limitations: Mechanical component roles only. Mixed generation/rate marketing on this page is not used as interoperability or speed evidence. No raw HTML or manufacturer image archive is represented as retained.

Locator: Description: 38-position SMT connector and press-fit cage; single, ganged and stacked configurations

Trace 2 claims to their source records

C201A · P201

Amphenol identifies its ExpressPort QSFP+ connector as a 38-position host interface.

Claim scope: V36 catalogue-expansion identification fact only; not independent technical approval, fabrication data, wiring instruction or end-to-end compatibility proof.

Source links: S204 · Evidence trail → (private workspace)

C201C · P201

Amphenol describes its ExpressPort QSFP construction as a 38-position surface-mount connector and a press-fit cage, with several cage configurations. These are host-side components, not an optical link specification.

Claim scope: V121 named-product or explicitly scoped manufacturer distinction only; no wiring instruction, independent engineering approval or end-to-end compatibility guarantee.

Source links: S508 · 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.