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LC/SC Loopback
LC/SC Loopback

LC/SC Loopback

LC or SC loopback or other customized, SM and MM fiber type for option, optical information routine exchange or test and equipment required, LC loopback is RJ-45 style interface. All loopback is compliant to Telcordia, IEC and EIA/TIA standard.

Features of LC/SC Loopback

  • Duplex connector or multi-fiber connector

  • MPO or MTP connector(for multi-fiber connector)

  • Standard loss or low loss(for multi-fiber connector)

  • PC or APC polish

  • Cable form or housing form

  • Available in G.652, G.657, OM1, OM2, OM3, OM4 fiber

  • Option for LSZH, OFNR or OFNP cable jacket

  • Option for A, B or C polarity or Customized(for multi-fiber connector)

  • Customized length available(multi-fiber connector≥15cm; duplex connector≥7.5cm)

  • 100% factory terminated and tested



Applications of LC/SC Loopback

  • System loop test

  • Optical loop test

  • Aging and testing of the system



Standards Compliance of LC/SC Loopback

  • TIA/EIA-568.3-D

  • ISO/IEC 11801

  • IEC-61754-7

  • IEC61754-20

  • IEC61754-4

  • EIA/TIA-604-5

  • GR-1435-CORE

  • GR-326-CORE

  • NFPA 262 or IEC 60332

  • Compliant to Directive 2002/95/EC (RoHS)

  • REACH SvHC

  • EN 50575


Specifications of LC/SC Loopback

General Specification
Technical Specification

Construction

Description

Fiber Count

2fibers for duplex type; 2-24fibers for multi-fiber connector

Fiber Mode

Single mode: OS2/G657 9/125um
Multimode: OM1 62.5/125 um OM2 OM3OM4 50/125um;

Fiber Brand

Corning SMF-28® Ultra optical fiber

Corning ClearCurve® multimode fiber

Cable Jacket Ratings

Low Smoke Zero Halogen (LSZH)
Riser (OFNR)

Plenum (OFNP)

Cable Jacket Color

OS2/G657: Yellow

OM1&OM2: Orange
OM3: Aqua; OM4: Aqua/Magenta
or Customized

Polarity

Type A, Type B, Type C (TIA-568.3-D) or Customized

Connector Type

SC LC MPO MTP

Connector Color

(SC LC)


SM(APC)

SM(PC)

OM3

OM4

or customized


Green

Blue

Aqua

Magenta/Aqua

Connector Color

(MPO MTP)


SM(APC)

SM(PC)

OM3

OM4

or customized

Low Loss

Yellow

Yellow

Aqua

Magenta/Aqua

Standard

Green

Blue

Aqua

Magenta/Aqua

Loopback housing color

black

Operating Temperature

-20°C to + 70°C

Storage Temperature

-40°C to + 85°C


Optical Properties

Singlemode

Multimode

Insertion Loss (dB)

APC ≤ 0.30 (Typical:≤ 0.15 )

UPC ≤ 0.20 (Typical:≤ 0.1 )

APC ≤ 0.30 (Typical:≤ 0.10 )

PC ≤ 0.20 (Typical:≤ 0.1 )

Insertion Loss (dB)

Low loss≤ 0.35 (Typical:≤ 0.25 )

Low loss≤ 0.35 (Typical:≤ 0.2 )

Standard Loss≤0.75 (Typical:≤ 0.4 )

Standard Loss≤ 0.6 (Typical:≤ 0.35 )

Return Loss (dB)

PC≥50; APC≥60

PC≥20; APC≥40

Wavelength (nm)

Singlemode: 1310/1550, Multimode: 850/1300

Fiber Attenuation (dB/km)

Singlemode: ≤0.35 at 1310nm, ≤0.2 at 1550nm
Multimode: ≤2.3 at 850nm, ≤0.6 at 1300nm

Transmission Distance

OM4: 150m at 40/100G, 550m at 10G
OM3: 100m at 40/100G, 300m at 10G


Housing and Pull-tab of LC/SC Loopback

The loopback is both ends of fiber in a duplex connector or a multi-fiber connector, then the optical signal in the same connector, don't change signals or repeated back to its itself. It can provide an effective solution, test the emission ability of the network equipment and receive sensitivity, especially in 40/100G network communication through back signal positioning can be all kinds of potential phenomenon, so as to achieve optical fiber network in pairs on a single element or interface and effective test and evaluation of the Internet.



Housing and Pull-tab of LC/SC Loopback    Housing and Pull-tab of LC/SC Loopback




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