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LC-LC OM3 Fiber Optic Loopback module Patch cables OM3 , OM4 , 50 /125 LSZH With Plastic Shell

LC-LC OM3 Fiber Optic Loopback module Patch cables OM3 , OM4 , 50 /125 LSZH With Plastic Shell

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Brand Name :OMC or OEM
Model Number :LC-LC OM3 Fiber Optic Loopback module Patch cables OM3 , OM4 , 50 /125 LSZH With Plastic Shell
Place of Origin :China
MOQ :5 pcs
Price :Negotiable
Payment Terms :Western Union, L/C, T/T, Paypal, Credit Card
Supply Ability :300000 pcs per month
Delivery Time :3-5 days after payment confirmed
Packaging Details :One piece in a plastic bag, several pieces in the carton of 54*39*35cm carton
Certification :ROHS and ISO
Quality Level :LC-LC OM3 Fiber Optic Loopback module Patch cables OM3 , OM4 , 50 /125 LSZH With Plastic Shell
Insertion loss(typical) :SM 1.2dB,MM 0.2dB
Insertion loss(Max) :SM 1.5dB,MM 0.7dB
Clean end face ferrule :100% clean, no dust, no water, no scratch
OEM service :OEM is available
Company certification :ISO 9001:2015
Durability :Over 500 cycles (<= 0.2 dB change)
Reflectance :minimum of 20 dB
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LC-LC OM3 Fiber Optic Loopback module Patch cables OM3 , OM4 , 50 /125 LSZH With Plastic Shell

Fiber Optic Loopback modules are also called optical loopback adapters.They are designed for testing, engineering and the burnin stage of boards or other equipment. Optical loopback adapters provide systemtest engineers a simple but effective way of testing the transmission capability and the receiver sensitivityof network equipment.

Fiber Optic Loopback is provide a media of return patch for a fiber optic signal. Typically it is used for fiber optic testing applications or network restorations.

When used in testing applications, loopback signals are used for diagnosing problems. The best practice is to send a loopback test to network equipment, one at a time for isolating the problem.

Fiber optic loopbacks are designed in a compact footprint. They are compliant with fast Ethernet, fiber channel, ATM and Gigabit Ethernet.

Mini LC multimode loopback is suit for 0.9mm cable and 0.25mm fiber.

Connector’s Standard:

LC: TIA/EIA, FOCIS10, GR-326 EIA/TIA-604-10, IEC61754-20 and JIS C5973.

Specification:

LC-LC OM3 Fiber Optic Loopback module Patch cables OM3 , OM4 , 50 /125 LSZH With Plastic Shell

Items BIF Single mode Fiber-G657B3 BIF Multimode fiber- 50/125 or 62.5/125
Insertion loss(typical) 0.2dB 0.2dB
Insertion loss(Max) 0.3dB 0.7dB
Return loss UPC>50dB; APC>60dB >35dB
Operating& Storage temperature range -40°C to +75°C
Repeat Ability < 0.5dB (500 Cycle Passed)

Product Details

LC-LC OM3 Fiber Optic Loopback module Patch cables OM3 , OM4 , 50 /125 LSZH With Plastic Shell

LC-LC OM3 Fiber Optic Loopback module Patch cables OM3 , OM4 , 50 /125 LSZH With Plastic Shell

LC-LC OM3 Fiber Optic Loopback module Patch cables OM3 , OM4 , 50 /125 LSZH With Plastic Shell

Application in Data Center

Collocated with 10G or 40G or 100G LC/UPC interface transceivers

Which to Choose for a Specific Transceiver?

Considering the common features of the transceiver and the loopback, we should think about the connector type, polish type, and cable type when selecting a loopback for the transceiver. The selection guide for some mostly used transceiver modules is summarized in the following tables.

Table 1: Loopback choices for 10G SFP+ transceivers

Model Interface type Cable Type Suited Loopback
10GBASE-USR LC Duplex (PC) MMF LC/UPC Duplex Multimode Fiber Loopback
10GBASE-SR LC Duplex (UPC) MMF
10GBASE-LR LC Duplex (UPC) MMF
10GBASE-ER LC Duplex (UPC) SMF LC/UPC Duplex Single-mode Fiber Loopback
10GBASE-ZR LC Duplex (PC) SMF

Table 2: Loopback choices for 40G QSFP+ transceivers

Model Interface type Cable Type Suited Loopback
40GBASE-CSR4 MTP/MPO (UPC) MMF 8/12 Fibers MTP/UPC Multimode Fiber Loopback
40GBASE-SR4 MTP/MPO (UPC) MMF
40GBASE-PLRL4 MTP/MPO (APC) SMF 8/12 Fibers MTP/APC Single-mode Fiber Loopback
40GBASE-PLR4 MTP/MPO (APC) SMF
40GBASE-LR4 LC Duplex (PC) SMF LC/UPC Duplex Single-mode Fiber Loopback
40GBASE-LR4L LC Duplex (UPC) SMF
40GBASE-ER4 LC Duplex (UPC) SMF
40GBASE-LX4 LC Duplex (UPC) MMF/SMF LC/UPC Duplex Multimode/Single-mode Fiber Loopback

Table 3: Loopback choices for 100G QSFP28 transceivers

Model Interface type Cable Type Suited Loopback
100GBASE-SR4 MTP/MPO (UPC) MMF 8/12 Fibers MTP/UPC Multimode Fiber Loopback
100GBASE-PSM4 MTP/MPO (APC) SMF 8/12 Fibers MTP/APC Single-mode Fiber Loopback
100GBASE-LR4 LC Duplex (UPC) SMF LC/UPC Duplex Single-mode Fiber Loopback

Table 4: Loopback choices for CFP transceivers

Model Interface type Cable Type Suited Loopback
40GBASE-SR4 CFP MPO/MTP (UPC) MMF 8/12 Fibers MTP/UPC Multimode Fiber Loopback
40GBASE-LR4 CFP SC Duplex (UPC) SMF SC/UPC Duplex Single-mode Fiber Loopback
40GBASE-FR CFP SC Duplex (UPC) SMF
100GBASE-LR4 CFP SC Duplex(PC/UPC) SMF
100GBASE-ER4 CFP SC Duplex(PC/UPC) SMF
100GBASE-SR4 CFP MPO/MTP (UPC) MMF 24 Fibers MTP/UPC Multimode Fiber Loopback

Conclusion

This post discusses specific fiber loopback choices for some most commonly used fiber optic transceivers. For other transceiver modules that are not mentioned in this post, we can also know how to choose a suitable loopback for it by getting details about its interface type, physical contact and cable type.

High Quality Fiber Optic Cable Guarantee

Comprehensive performance testing makes sure the cable work more secure and data transmission more reliable and stable in your network.

LC-LC OM3 Fiber Optic Loopback module Patch cables OM3 , OM4 , 50 /125 LSZH With Plastic ShellLC-LC OM3 Fiber Optic Loopback module Patch cables OM3 , OM4 , 50 /125 LSZH With Plastic Shell

LC-LC OM3 Fiber Optic Loopback module Patch cables OM3 , OM4 , 50 /125 LSZH With Plastic Shell


Certification:

Our products are confirmed by these certifications

LC-LC OM3 Fiber Optic Loopback module Patch cables OM3 , OM4 , 50 /125 LSZH With Plastic Shell


LC-LC OM3 Fiber Optic Loopback module Patch cables OM3 , OM4 , 50 /125 LSZH With Plastic Shell

LC-LC OM3 Fiber Optic Loopback module Patch cables OM3 , OM4 , 50 /125 LSZH With Plastic Shell

LC-LC OM3 Fiber Optic Loopback module Patch cables OM3 , OM4 , 50 /125 LSZH With Plastic Shell
China LC-LC OM3 Fiber Optic Loopback module Patch cables OM3 , OM4 , 50 /125 LSZH With Plastic Shell for sale

LC-LC OM3 Fiber Optic Loopback module Patch cables OM3 , OM4 , 50 /125 LSZH With Plastic Shell

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