Detailed Introduction of OEMfibers 40G QSFP+BiDi SR4 Optical Module

 The upgrading of 10G to 40G network is the requirement of network, but there is a very big problem in the construction of cable system when upgrading, especially the short distance transmission of 40G. To solve this problem, OEMfibers engineers have developed 40G QSFP + BiDi SR4 optical module.

1. What is 40G QSFP + BiDi SR4?

40G QSFP+BiDi SR4 is different from other 40G QSFP+optical modules:

Additional 40G QSFP + optical modules (such as QSFP + SR4 Modules / LR4) use eight channels to accomplish 40G transmission, but 40G QSFP + BiDi SR4 only needs two 20G channels to achieve this function. Each channel can transmit and receive signals from a multi-mode cable, but it also needs to be noted that 40G QSFP + BiDi SR4 must be used in pairs.

2. How does it work?

To accomplish 40G QSFP + BiDi SR4 signal transmission, three guidelines are needed:

Step 1: Combine four electrical signals with two 20G electrical signals.

Step 2: Two 20G electrical signals are exchanged into two 20G optical signals with different wavelengths.

Step 3: The 20G optical signals of different wavelengths are transmitted to an optical cable, and then the 40G device receives the optical signals and works:

How does 3.40G QSFP + BiDi SR4 connect?

The common wavelength of 40G QSFP + BiDi SR4 optical module is 850 nm and 900 nm, which can be transmitted stably in multimode optical fiber system. In addition, the transmission distance of OM3 jumper is definitely 100m and that of OM4 jumper can be 150m.Know more:www.oemfibers.com