Optical Transceivers DAC/AOC Cables Manufacturers & Supplier

Featured Optical Transceivers & DAC/AOC Products

High-performance network connectivity solutions designed for low latency, high compatibility, and optimal signal integrity.

40G QSFP+ DAC Direct Attach Copper Passive Cable 1m/3m/5m Lengths Customizable Fiber Optic Wired LAN View Details

10G SFP+ to SFP+ 1/2/3/5/7M Twinax DAC Cable-Fiber Optic Transceivers View Details

HG8321R XPON ONU 1GE 1FE 1POTS FTTH Fiber Optic ONT Modem for ISP Network View Details

Interference-resistant Inficomo QSFP-40G-ER4 QSFP+ 1310nm 40km DOM Duplex LC/UPC SMF Fiber Optic Transceivers QSFP-40G-ER4-S 2 View Details

Reliable Quality Media Converter 10/100/1000mbps Single Mode Single Fiber SC to RJ45 Fiber Media Converter View Details

Zero Lag GPON EPON ONU 4GE Dual Band Wifi 5 XPON HGU ONT View Details

1.25G BiDi SFP Optical Module 40km 1310nm/1550nm Multimode Single Fiber Transceiver LC Connector for FTTH View Details

1.25G SFP BIDI 120km 1490nm/1550nm LC Single Mode Fiber Transceiver Module with DOM Support for FTTx Use View Details

Physical Layer Architectures: Transceivers vs. DAC vs. AOC

Deciding between copper and optical transmission involves balancing distance, power constraints, capital expenditure, and operational budgets.

Modern enterprise and hyperscale datacenters depend heavily on the physical layer (Layer 1) to sustain growing throughput speeds. When planning high-density interconnects, network architects face a choice between three primary hardware topologies: Direct Attach Copper (DAC) cables, Active Optical Cables (AOC), and Discrete Optical Transceivers with fiber patch cords. Each medium possesses distinct physical profiles, power parameters, and signal transmission boundaries.

Technology	Transmission Medium	Maximum Distance	Power Consumption	Latency Profiles	Relative Cost
Direct Attach Copper (DAC)	Twinax Copper Cabling	Up to 7 meters	Nearly Zero (<0.1W)	Ultra-Low (No E-O Conversion)	Very Low
Active Optical Cable (AOC)	Multi-mode Optical Fiber	Up to 100 meters	Low to Medium (0.5W–2W)	Low (Minimal DSP overhead)	Medium
Optical Transceivers + SMF/MMF	Single-mode / Multi-mode Fiber	Up to 120 km	Variable (1W to 15W+)	Medium (Requires DSP/FEC)	High (Scale Dependent)

Direct Attach Copper (DAC)

Utilizing Twinaxial copper wires, passive DAC cables establish direct electrical connections between high-speed ports. Lacking electro-optical components, they introduce virtually no latency or thermal stress, making them ideal for short-reach, top-of-rack (ToR) switch-to-server interconnects.

Active Optical Cables (AOC)

Integrating optical transceivers with multi-mode fiber in a factory-sealed assembly, AOCs eliminate the clean-and-inspect cycles of optical connections. They offer longer reach than DACs, lighter profiles for dense routing, and immunity to electromagnetic interference (EMI).

Discrete Optical Transceivers

Providing maximum modularity, discrete transceivers allow field routing of fiber optic cables. Supporting both Single-mode Fiber (SMF) for long-haul metropolitan deployments and Multi-mode Fiber (MMF) for local networks, they adapt to dynamic changes in port requirements.

Global Sourcing and Technological Trajectories

Hyperscale operators and enterprise organizations face changing criteria for network physical layers. The demand for higher bandwidth is driven by AI clusters, cloud migrations, and distributed computing architectures. These factors shape corporate procurement priorities.

The Move to PAM4 and Co-Packaged Optics: Legacy 10G/40G networks rely on Non-Return-to-Zero (NRZ) modulation. Next-generation 100G, 400G, and 800G platforms use PAM4 (Pulse Amplitude Modulation 4-level) to transmit double the data per clock cycle. This shift requires precise clock-and-data recovery (CDR) and Digital Signal Processors (DSP) inside transceivers and active cables to manage signal dispersion and noise.

Supply Chain Reliability: Global buyers require supply partners with validated production processes. As systems scale, small component failures can lead to network downtime. Shenzhen Soras Technology addresses this risk by providing products with Multi-Source Agreement (MSA) compliance, EEPROM programming, and custom firmware testing to ensure compatibility with major OEM switch platforms.

Shenzhen Soras Technology Production Facility

Holistic Infrastructure Solutions

From local FTTH subscriber networks to long-range metro networks, we supply the hardware that powers modern communications.

FTTH/FTTx Subscriber Networks

Ensuring consistent last-mile connectivity is critical for modern internet service providers. Our range of high-sensitivity GPON and EPON ONUs (Optical Network Units) and high-density OLTs (Optical Line Terminals) provide stable fiber termination, bridging the optical access network with subscriber LAN environments.

High-Density Enterprise LANs

Our SFP+ and QSFP+ transceivers, paired with low-loss optical patch cables, enable core and aggregation switches to link with servers and storage arrays. Supported by digital optical monitoring (DOM), system administrators can monitor optical power level, temperature, and voltage in real time.

Industrial PoE Switching

For security systems and hardware installations, our high-density Power over Ethernet (PoE) switches support long-distance transmission up to 300 meters. These systems handle data routing and power delivery simultaneously, reducing cabling complexity.

Shenzhen Soras Technology Co., Ltd.

Established in 2021 and backed by over a decade of collective industry experience, Shenzhen Soras Technology Co., Ltd. (Soraslink) is a manufacturer of optical transmission and network equipment. Based in Guangdong, China, we operate modern facilities featuring automated surface mount technology (SMT) and testing environments.

Our engineering teams support both OEM and ODM specifications, customizing cable lengths, transceiver EEPROM codes, and hardware form factors to meet specific client requirements. Our products are exported to over 60 countries across North America, South America, and Europe.

We operate in compliance with international standards, holding certifications including ISO 9001, UL, CE, FCC, and RoHS. These quality management systems ensure our products meet specifications for optical output, wavelength stability, and structural durability.

Quality Control & Testing Workflows

Every component undergoes a multi-stage testing process to verify performance and compatibility before shipment.

SMT Production Line

QC Quality Line

Assembly Line

Simulation Test - Real Switch Host Verification

Simulation Testing

Error Test - Eye Diagram and Bit Error Rate verification

Bit Error Rate (BER) Test

Wifi Calibration - Wireless signal alignment for HGU ONUs

Wifi RF Calibration

High-Low Temperature Environmental Chamber Testing

High-Low Temperature Test

Hardware Emulation and Latency Measurements

Protocol Emulation Test

Functional Test - Output power and Optical Eye Diagram Analysis

Functional Verification

Production Center - Detailed View

Warehouse & Logistics Center

Technical Q&A: Sourcing Optical Hardware

Answers to common engineering and procurement questions regarding transceiver compatibility, distance limits, and custom orders.

Q1: What are the differences between passive and active Direct Attach Copper (DAC) cables?

Passive DAC cables link copper connections directly to SFP+/QSFP+ pins. They do not consume electrical power and introduce minimal signal delay, but they are limited to short distances (typically under 5-7 meters). Active DACs feature signal-boosting ICs in the connector housing. These circuits restore signal integrity, allowing thinner gauge wires to cover longer distances (up to 10-15 meters) at the cost of slight power consumption.

Q2: How does Shenzhen Soras Technology ensure transceiver compatibility with major switch OEMs?

We use a multi-step compatibility check. Each transceiver is programmed with EEPROM metadata that matches the host vendor's Multi-Source Agreement (MSA) key. We test the programmed modules on OEM switches (such as Cisco, Juniper, Arista, and Huawei) to ensure the host operating system recognizes the transceiver and enables Digital Optical Monitoring (DOM) without warning flags.

Q3: When should a design specify Active Optical Cables (AOC) over Direct Attach Copper (DAC)?

AOCs are preferred over DACs when: (1) Transmission distances exceed 7 meters; (2) Rack cable management requires lightweight, flexible cabling; or (3) High levels of electromagnetic interference (EMI) are present in the datacenter, as optical fiber is immune to electrical noise.

Q4: What testing standards do Soraslink products undergo?

Our products undergo testing including: High-Low Temperature cycle tests (-40°C to +85°C for industrial grade), Bit Error Rate (BER) testing to confirm margins under load, Wifi Radio Frequency Calibration (for ONUs), and Optical Eye Diagram checks to verify signal amplitude and jitter control.

Q5: Do you support custom cable lengths and OEM/ODM specifications?

Yes. We offer customization for passive twinaxial and active optical assemblies. Customers can specify cable length (e.g., 0.5m, 1.5m, 2.5m, or custom lengths up to 100m), wire thickness (AWG rating), and label printing. We also support custom logo integration and packaging configurations for ODM clients.