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Singlemode Direct Connection for Cisco Compatible QSFP-40G-ER4 Transceivers

How to connect two Cisco 40G QSFP+ ER4 transceivers in the simplest way? You can use a LC UPC to LC UPC duplex single mode  fiber optic patch cable only. Figure 1 shows two 40G QSFP+ ER4 transceivers connected by a single mode LC cable.

Figure 1

Item NumberID#Description 
1136173 Cisco QSFP-40G-ER4 Compatible 40GBASE-ER4 and OTU3 QSFP+ 1310nm 40km LC DOM Transceiver
22401911M LC UPC to LC UPC Duplex 2.0mm PVC(OFNR) SMF Fiber Patch Cable
3336173Cisco QSFP-40G-ER4 Compatible 40GBASE-ER4 and OTU3 QSFP+ 1310nm 40km LC DOM Transceiver
Application Accessories
11 37031FOPM-105 PON Optical Power Meter
 
Cisco Compatible 40G QSFP+ ER4 Interconnected Cabling Connection

When interconnect two Cisco 40G QSFP+ ER4 transceivers, the use of LC fiber optic patch cable is always the first choice. Firgue 2 shows the 40G QSFP+ ER4 interconnected with the fiber enclosure, fiber adapter panels and MPO/MTP trunk cable.

Figure 2

Item NumberID#Description 
1136173Cisco QSFP-40G-ER4 Compatible 40GBASE-ER4 and OTU3 QSFP+ 1310nm 40km LC DOM Transceiver
22 40191 1M LC UPC to LC UPC Duplex 2.0mm PVC(OFNR) SMF Fiber Patch Cable
33346841RU Rack Mount Fiber Enclosure unloaded, holds up to 4 FAPs Fiber Adapter Panels or 4HD MTP MPO Cassette
44570171xMTP Male to 6xLC/UPC Duplex, 0.35dB IL, Polarity A, 12 Fibers 10G OM4 Laser Optimized MPO/MTP Cassette
55681013m (10ft) MTP Female to Female 12 Fibers OS2 Single Mode Trunk Cable, Type A, Elite, Plenum (OFNP)
66346841RU Rack Mount Fiber Enclosure unloaded, holds up to 4 FAPs Fiber Adapter Panels or 4HD MTP MPO Cassette
77401911M LC UPC to LC UPC Duplex 2.0mm PVC(OFNR) SMF Fiber Patch Cable
8836173Cisco QSFP-40G-ER4 Compatible 40GBASE-ER4 and OTU3 QSFP+ 1310nm 40km LC DOM Transceiver

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