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[ CABLE / ADAPTER RECORD // IEEE 1000BASE-SX 850 NM MULTIMODE ]

1000BASE-SX Multimode Fiber LC-LC Patch Cord

Duplex LC/UPC multimode pair; transmit and receive fibers cross between optics.

Original schematic of 1000BASE-SX Multimode Fiber LC-LC Patch Cord
SCHEMATIC // CONNECTORS AND CONTACTS NOT TO SCALE

CLASSIFICATION: Network and fiber cables. Identify protocol, direction, pinout and exact cable revision before connection.

Interface and capability

Standard / protocolIEEE 1000BASE-SX 850 nm multimode. Connector appearance alone does not establish compatibility.
Endpoint / pinoutDuplex LC/UPC multimode pair; transmit and receive fibers cross between optics.
Capability / limitsTypical maximums vary by fiber: 220 m on 62.5 µm FDDI grade, 275 m OM1, 550 m OM2; verify PHY/fiber spec and loss budget.
Certification / lengthStandards define interface requirements, not every assembly’s performance. Certification, mode, current/power rating, direction and maximum length belong to the exact product/revision and complete channel; verify its manufacturer specification. Do not infer certification from connector shape or marketing terminology.

Compatibility & handling

  • Match SX multimode optics. Clean ends, respect bend radius and do not substitute single-mode LX optics based on connector fit.
  • Inspect connector keying, latch, contact condition, shielding, jacket and model/revision marking. Stop if contacts are bent, loose, scorched, corroded or mismatched.
  • Route without tension or sharp bends; follow product bend-radius, strain-relief, current and environmental limits. Test at the intended protocol and mode—physical fit is not a compatibility test.

Sources & further reading

  1. IEEE 802.3 Ethernet StandardPrimary standards-body or manufacturer reference for IEEE 1000BASE-SX 850 nm multimode; confirm exact cable assembly, certification and revision.