 Optical module
Optical module Direct attach cable
Direct attach cable Active optical cable
Active optical cable 
                             
                        RealSea’s 100G QSFP28 active optical cable transceivers are 4-channel active optical cable for QSFP28 application. This full-duplex optical assembly offers 4 independent transmit and receive channels, each capable of up to 25Gbps for an aggregate bandwidth of 100Gbps. QSFP28 AOC can be used as a direct replacement for traditional copper cables with the added benefit of a lighter weight and smaller diameter solution for cable lengths from 1 to 100 meters.
 
                    
                                        
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Hot-pluggable QSFP28 form factor
4 high-speed full duplex channels
Supports 103.1Gb/s aggregate bit rate
4x25Gbps 850nm VCSEL laser
Low power dissipation:<3.5W per cable end (<2.5W with CDRs off)
Cable lengths from 1 to 100 meters
Compliant with QSFP28 MSA specifications
Compliant with 100G Ethernet (IEEE 802.3bj)
Compliant with SFF-8655
RoHS Compliant
General Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | 
| Data Rate | DR | 40 | Gb/s | ||
| Bit Error Rate | BER | 10−12 | |||
| Operating Temperature | TC | 0 | 70 | ◦C | |
| Storage Temperature | TSTO | -40 | 85 | ◦C | |
| Input Voltage | Vcc | 3.14 | 3.30 | 3.46 | V | 
| Maximum Voltage | VMAX | -0.5 | 4 | V | |
| Minimum bending radius | R | 30 | MM | 
