Fiber optic jumper cables are designed to interconnect or cross connect fiber networks within structured cabling systems. They are commonly used in data centers to interconnect ports and transceivers that accept LC and MPO/MTP fiber optic connectors. There are a full range of cost-effective fiber optic patch cable solutions which can meet your demands now and for your upgrades in the future. In this post, we will demonstrate the high-speed fiber patch cable solutions for 10G, 40G, and 100G Ethernet transceiver ports interconnection.

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Fiber optic jumper cables are designed to interconnect or cross connect fiber networks within
structured cabling systems. They are commonly used in data centers to interconnect ports and
transceivers that accept LC and MPO/MTP fiber optic connectors. There are a full range of
cost-effective fiber optic patch cable solutions to meet your demands now and even for your future
upgrades. This post will demonstrate high-speed fiber patch cable solutions for 10G, 40G, and 100G
Ethernet transceiver ports interconnection.
10G Transceiver Interconnection Solution
Today's data centers are still primarily architected around 10 Gigabit Ethernet (GbE). After almost
ten years of revolution, SFP+ optical transceiver gradually becomes the main stream of 10G
transceiver in data center optics market. According to the optical ports of SFP+ form factor, LC
duplex fiber patch cable is required to complete the link between two SFP+ transceiver modules
which are plugged into switches, routers or server NICs (Network Interface Cards), as shown in the
following picture. High quality standard LC duplex patch cables are available in both single-mode
and multimode versions, which are LC LC single-mode duplex fiber cable and LC LC multimode
duplex fiber cable. With a wide range of material options, they can meet any working environment.
40G Transceiver Interconnection Solution
In recent several years, 40 GbE has gained more popularity and the market of 40GbE is encouraging.
As data centers tend to deploy 40G Ethernet, 40G transceivers are ramping up. QSFP+ (quad small
form-factor pluggable plus), as the most popular form factor for 40 GbE, has been widely used in
data center switching fabrics. For the short reach interconnection between two QSFP+ optical
transceiver ports, each QSFP+ module requires an MPO/MTP connection, as shown in the following
picture. MTP to MTP (or MPO to MPO) assemblies can also be in single-mode and multimode
Fiber Patch Cable Solutions for
Transceiver Ports Interconnection

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versions, with jacket ratings of riser, plenum or LSZH. Users can easily upgrade their networks to
future 40/100G applications with popular multimode OM3 and OM4 cable assemblies. Note: For
single-mode 40G QSFP+ interconnection, duplex LC single-mode patch cable is commonly used; but
for 40GBASE-PLRL4 QSFP+ interconnection, a 12-fiber MPO/MTP single-mode cable is needed.
Other than the QSFP+ to QSFP+ connection, a single QSFP+ port (4 x 10 Gbps) can also breakout to
four SFP+ ports, which is another interconnected solution for 40G transceiver. Using an MPO/MTP
to LC assemblies, as shown in the following picture, can easily achieve the migration of 10G to 40G.
100G Transceiver Interconnection Solution
As the increasing bandwidth requirements of private and public cloud data centers and
communication service providers, 100GbE has been growing rapidly and 2016 is considered as the
year of 100G. Various 100G transceivers, such as CXP, CFP, CFP2, CFP4 and QSFP28 are available for
different applications requiring data rates of 100G.
CXP/CFP to CXP/CFP Interconnection
24-fiber MPO/MTP assemblies, implemented with 10 lanes of 10 Gbps, are ideal for

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100GBASE-SR10 CXP/CFP to CXP/CFP interconnection in data center. Among the 24 fibers, only 20
fibers in the middle of the connector are used to transmit and receive signals at 10 Gbps and the 2
top and bottom fibers are unused. The picture below shows the interconnection between two
100GBASE-SR10 CXP ports.
QSFP28 to QSFP28 Interconnection
QSFP28 optical transceiver has the exact same footprint as the 40G QSFP+ module, but QSFP28 is
implemented with four 25Gbps lanes. To interconnect a multimode QSFP28 link, a 12-fiber
MPO/MTP patch cable is required, but for a single-mode link (100GBASE-LR4 QSFP28), a duplex LC
single-mode patch cable is required. The interconnection of QSFP28 multimode link is similar with
the case of 40GBASE-SR4 QSFP+.
CXP/CFP to 10 SFP+ Interconnection
As mentioned above, 100GBASE-SR10 CXP/CFP module uses ten 10Gbps lanes to achieve 100Gbps
data rate. Thus, a CXP/CFP port can be breakout to ten SFP+ ports using a 24-fiber MTP to LC
harness cables, as shown in the following picture.

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Conclusion
High-speed fiber patch cables are required for modern data centers. Different high-speed fiber
patch cable solutions are available for your 10G, 40G, and 100G Ethernet transceiver ports
interconnection. You can make the appropriate choices based on your needs and requirements.
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Notice: This document is for informational purposes only and does not set forth any warranty, expressed or
implied, concerning any equipment, equipment features, or service offered or to be offered by Fiberstore.
Fiberstore reserves the right to make changes to this document at any time, without notice, and assumes no
responsibility for its use. This information document describes features that may not be currently available.
Contact a Fiberstore sales team for information on feature and product availability.
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