The QSFP112 400GBASE LR4 transceiver module is designed for 400G Ethernet links over 10km of single-mode fiber. The module contains 4 parallel channels at a center wavelength of CWDM, each operating at 106.25G. On the receiver path, 4 photodiodes and a 4-channel TIA array are used, along with PAM4 re-timers.
FEATURES： Hot-pluggable QSFP112 SR4 multimode transceiver Compliant with QSFP112 MSA Compliant with CMIS Rev 4.0 and above revision Integrated 850nm VCSEL array and PD array w/o DSP or CDR 4-channels of 100G-PAM4 electrical and optical modulation Single MPO-12 APC receptacles Maximum power consumption 2.8W Single 3.3V power supply Case operating temperature 0°C to 70°C Class 1 laser RoHS complaint
The 400G QSFP112 SR4 Transceiver is designed to transmit and receive serial optical data links up to 106.25 Gb/s data rate (per channel) by PAM4 modulation format over multi-mode fiber. It is a small-form- factor hot pluggable transceiver module integrated Optical Extinction Ratio 2.5 dB with high performance vcsel. It is compliant with 400G Ethernet specs and QSFP112 MSA.
