400G VR4 QSFP-DD, MPO-12 APC MMF, 30~50m

10Gtek’s QSFP-DD 400G VR4 transceiver module is designed for use in 400 Gigabit Ethernet links over 30m OM3 or 50m OM4 fiber. The module has 8 independent electrical input/output channels operating at 53.125Gbps per channel. This transceiver consists of two transmitter/receiver units, with each operating on 850nm wavelength. The transmitter path of the module incorporates a PAM4 re-timer ASIC with a 4-channel modulator driver and 4 modulated lasers. On the receiver path, it consists of 4 photodiodes and a 4-channel TIA, along with the PAM4 re-timer. The electrical interface of the module is compliant with the 400GAUI-8 interface as defined by IEEE 802.3bs, and compliant with QSFP-DD MSA.