Data Center 100G QSFP28 Transceiver 25.78 Gbps/CH Data Rate / 100G QSFP28 ER4

Overview

The transceiver module receives 4 channels of 25Gb/s electrical data, which are processed by a 4-channel Clock and Data Recovery (CDR) IC that reshapes and reduces the jitter of each electrical signal. Subsequently, each of 4 EML laser driver IC's converts one of the 4 channels of electrical signals to an optical signal that is transmitted from one of the 4 cooled EML lasers which are packaged in the Transmitter Optical Sub-Assembly (TOSA).

Each laser launches the optical signal in specific wavelength specified in IEEE802.3ba 100GBASE-ER4 requirements. These 4-lane optical signals will be optically multiplexed into a single fiber by a 4-to-1 optical WDM MUX. The optical output power of each channel is maintained constant by an automatic power control (APC) circuit. The transmitter output can be turned off by TX_DIS hardware signal and/or 2-wire serial interface.

Features

• Hot pluggable QSFP28 MSA
• Compliant to IEEE 802.3ba 100GBASE-ER4
• Up to 25km reach for G.652 SMF without FEC
• Single +3.3V power supply
• Transmitter: cooled 4x25Gb/s LAN WDM EML TOSA
• Receiver: 4x25Gb/s APD
• 4x28G Electrical Serial Interface (CEI-28G-VSR)
• Maximum power consumption 4.5W
• Duplex LC UPC receptacle
• RoHS-6 compliant

Parameter

Application

• 100GBASE-ER4 Ethernet Links
• Infiniband QDR and DDR interconnects
• Client-side 100G Telecom connections

100G QSFP28 ER4 Product