Fiber · Exact Product Example

Cisco CAB-MCP-LC — mode-conditioning fiber patch cord

Recognize the special offset-launch assembly used in documented legacy multimode/LX-LH applications.

Duplex LC at documented optical equipmentend A

Duplex SC at legacy multimode plantend B

Directionaldirection evidence

Passiveconversion

Endpoint map

Start with what is physically represented

The conditioned transmit leg has a defined equipment/plant orientation; receive traffic uses the other leg. This is not a symmetric ordinary jumper.

Duplex LC at documented optical equipment reference →Duplex SC at legacy multimode plant reference →Compare references with these ends →Canonical cable/adapter note →

Choose for the actual job

Recognize the special offset-launch assembly used in documented legacy multimode/LX-LH applications.

ConstructionDocumented

A single-mode fiber is permanently offset-coupled to 62.5µm multimode fiber; duplex LC and SC ends form a purpose-built assembly.

Evidence: C992A

Fallback / lower modesConditional

The assembly does not convert a single-mode transceiver into an arbitrary multimode-compatible device; select only a documented module/fiber procedure.

Evidence: C992A

Environment and handlingConditional

Do not fabricate the offset splice or look into endfaces. Have trained staff inspect, clean and verify polarity with approved equipment.

Evidence: C992A

Worked selection example

In a legacy link whose exact module guide calls for CAB-MCP-LC with 62.5µm multimode plant, one correctly oriented assembly at each end is part of the documented path; an ordinary LC–SC jumper is not the same construction.

Common confusion: LC-to-SC describes connector forms; mode conditioning describes the internal launch construction.

Next check: Match the transceiver table, fiber core/category and equipment transmit bore. If any is missing, hold the connection and request the exact module's procedure.

Source-documented example; no hardware test

Optical evidence is not yet specified

Connector ends alone do not establish either end’s polish, fiber category, simplex/duplex organization, fiber count or polarity. Read the original class conditions; unknown fields remain unknown.

How to read an optical cable reference →

Capability ledger

Six questions kept separate

DataDocumented

The guide documents mode conditioning for applicable LX/LH and other listed legacy multimode cases. Do not generalize it to all optical modules or OM3/OM4.

Evidence: C992A

Power / chargingDocumented

No electrical power delivery; laser sources are in the optical endpoints. Follow optical safety guidance.

Evidence: C992A

VideoNot Applicable

No consumer optical-audio or display transport is established.

ConversionPassive

A single-mode fiber is permanently offset-coupled to 62.5µm multimode fiber; duplex LC and SC ends form a purpose-built assembly.

Evidence: C992A

Length / reachDocumented

1m CAB-MCP-LC exact historical assembly; the plant's reach is determined by the named transceiver/fiber case.

Evidence: C992A

Markings / certificationConditional

Identify the model and marked single-mode/transmit leg; connector color alone is insufficient.

Evidence: C992A

Explicit unknowns

No physical sample, electrical/optical measurement or hardware interoperability test was performed.
Match the transceiver table, fiber core/category and equipment transmit bore. If any is missing, hold the connection and request the exact module's procedure.

Source boundary

Why this profile says what it says

Back to first citation ↑

Source records: S1110

C992ASource checked · pending review

The guide documents mode conditioning for applicable LX/LH and other listed legacy multimode cases. Do not generalize it to all optical modules or OM3/OM4. No electrical power delivery; laser sources are in the optical endpoints. Follow optical safety guidance. A single-mode fiber is permanently offset-coupled to 62.5µm multimode fiber; duplex LC and SC ends form a purpose-built assembly. 1m CAB-MCP-LC exact historical assembly; the plant's reach is determined by the named transceiver/fiber case.

Scope: Cisco CAB-MCP-LC= historical assembly, OL-7397-03 July2011 · review due 2027-01-21

Cisco · Catalyst 6500 Supervisor Engine Guide, chapter 3

CAB-MCP-LC historical exact assembly and documented legacy multimode use. Not current procurement or installation authorization.

Open source ↗

pp. 3-18–3-22, Tables 3-2/3-3 and mode-conditioning assembly/installation discussion; p. 3-2 laser warning · CAB-MCP-LC historical exact assembly and documented legacy multimode use. Not current procurement or installation authorization.

Evidence behind this page

Scope first. Source second. Approval separate.

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

Page scope: exact-product-example

Assessment 2026-10-23 · earliest scheduled source review 2027-01-21. 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

S1110 · Catalyst 6500 Supervisor Engine Guide, chapter 3

Cisco · Manufacturer / product-owner domain · inspected 2026-10-23 · due 2027-01-21

Within inspection window

Scoped support: CAB-MCP-LC historical exact assembly and documented legacy multimode use. Not current procurement or installation authorization.

Not established / limitations: CAB-MCP-LC historical exact assembly and documented legacy multimode use. Not current procurement or installation authorization.

Locator: pp. 3-18–3-22, Tables 3-2/3-3 and mode-conditioning assembly/installation discussion; p. 3-2 laser warning

Trace 1 claims to their source records

C992A · P812

Claim scope: Cisco CAB-MCP-LC= historical assembly, OL-7397-03 July2011

Source links: S1110 · Evidence trail →

Prepare this page for review →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.