200G QSFP56 To 2x100G InfiniBand EDR AOC

200G AOC Cable Mellanox MFA1A00-E005 Active Optical Cable InfiniBand EDR

Features

● Active optical cable with breakout from QSFP56 200G to two QSFP56 100G

● Up to 53.125Gbps data rate per channel PAM4 modulation

● Integrated 850nm VCSEL array and PD array

● DDM function implemented

● Hot-pluggable

● Low power dissipation: : <4W on 200G end, <3W on 100G end

● Commercial operating case temperature range: 0℃ to 70 ℃

● Compliant with ROHS2.0

 

Applications

● Data centers and Cloud Networks

● 200G InfiniBand HDR systems

 

Standards

● IEEE 802.3cd

● InfiniBand 4xHDR

● SFF 8679

● CMIS4.0 or SFF8636

 

Absolute Maximum Ratings

Product	Electrical mode	Protocol	Nominal Rate			Specifications		Link
			Aggregate (Gbps)	Electrical Lanes(Gbaud)	ppm	High Speed Electrical	Pre-FEC Max BER
200G end	4X50	IEEE802.3cd	212.5	26.5625 PAM4	±100	200GAUI-4	1E-6 for InfiniBand HDR; 2.4E-4 for 200GBASE-SR4	0.5~ 100m
Per 100G end	2X50	IEEE802.3cd	106.25	26.5625 PAM4	±100	200GAUI-4

 

Parameter	Symbol	Unit	Min	Max
Case Operating Temperature	Top	℃	0	70
Storage Temperature Range	Ts	℃	-40	85
Relative Humidity	RH	%	0	85
Power Supply Voltage	Vcc	V	-0.5	3.6

 

Recommended Operating Conditions

Parameter	Symbol	Unit	Min	Typ	Max
Operating Case Temperature Range	Tca	oC	0	/	70
Power Supply Voltage	Vcc	V	3.135	3.3	3.465

 

Electric Ports Definition

Parameter	Symbol	Unit	Min	Typ	Max	Notes
Supply Voltage	VCC	V	3.135	3.3	3.465
Power Consumption	Pc	W			4	200G end
					3	100G end
Transmitter
Input Differential Impedance	RIN	Ω	80	100	120
Single Ended Data Input Swing	VIN	mVp-p	90		500
Transmit Disable Voltage	VDIS	V	2		VCCHOST
Transmit Enable Voltage	VEN	V	VEE		VEE+0.8
Transmit Fault Assert Voltage	VFA	V	2		VCCHOST
Transmit Fault De-Assert Voltage	VFDA	V	VEE		VEE+0.8
Receiver
Single Ended Data Output Swing	VOD	mVp-p	200		500
LOS Fault	VLOSFT	V	2		VCCHOST
LOS Normal	VLOSNR	V	VEE		VEE+0.8
Differential termination mismatch		%			10
IIC communication
IIC Clock frequency	-	KHZ	/	100	400
clock stretching	-	us	/	/	500

 

Pin Description

The electrical interface to the transceiver is a 38 pins edge connector. The 38 pins provide high speed data, low speed monitoring and control signals, I2C communication, power and ground connectivity. The top and bottom views of the connector are provided below, as well as a table outlining the contact numbering, symbol and full description.

 

Pin	Symbol	Name/Description
1	GND	Ground
2	Tx2n	Channel 2 Transmitter Inverted Data Input
3	Tx2p	Channel 2 Transmitter Non-Inverted Data Input
4	GND	Ground
5	Tx4n	Channel 4 Transmitter Inverted Data Input
6	Tx4p	Channel 4 Transmitter Non-Inverted Data Input
7	GND	Ground
8	ModSelL	Module Select
9	ResetL	Module Reset
10	Vcc Rx	+3.3 V Power supply receiver
11	SCL	2-wire serial interface clock
12	SDA	2-wire serial interface data
13	GND	Ground
14	Rx3p	Channel 3 Receiver Non-Inverted Data Output
15	Rx3n	Channel 3 Receiver Inverted Data Output
16	GND	Ground
17	Rx1p	Channel 1 Receiver Non-Inverted Data Output
18	Rx1n	Channel 1 Receiver Inverted Data Output
19	GND	Ground
20	GND	Ground
21	Rx2n	Channel 2 Receiver Inverted Data Output
22	Rx2p	Channel 2 Receiver Non-Inverted Data Output
23	GND	Ground
24	Rx4n	Channel 4 Receiver Inverted Data Output
25	Rx4p	Channel 4 Receiver Non-Inverted Data Output
26	GND	Ground
27	ModPrsL	Module Present
28	IntL	Interrupt
29	Vcc Tx	+3.3 V Power supply transmitter
30	Vcc1	+3.3 V Power Supply
31	LPMode	Low Power Mode
32	GND	Ground
33	Tx3p	Channel 3 Transmitter Non-Inverted Data Input
34	Tx3n	Channel 3 Transmitter Inverted Data Input
35	GND	Ground
36	Tx1p	Channel 1 Transmitter Non-Inverted Data Input
37	Tx1n	Channel 1 Transmitter Inverted Data Input
38	GND	Ground

 

Package Outline

The mechanical specifications are based on QSFP56 transceiver module specification, substituting the optical connectors with a cable connecting three ends.

 

 

Active optical cables are revolutionizing the way data centers and enterprise networks handle high-bandwidth applications. As businesses demand faster, more reliable connectivity solutions, AOC Cable technology has emerged as a game-changing alternative to traditional copper cabling systems.

What Makes AOC Cable Solutions Superior?

An AOC Cable combines electrical-to-optical conversion with fiber optic transmission in a single, integrated assembly. Unlike passive copper cables that suffer from signal degradation over distance, these innovative cables maintain signal integrity across extended runs while consuming less power and generating minimal heat.

The technology behind AOC Cable products leverages advanced PAM4 modulation schemes, enabling data rates up to 212.5 Gbps aggregate bandwidth. This makes them ideal for next-generation applications including 200G Ethernet, InfiniBand HDR, and high-performance computing clusters.

Key Advantages of Deploying AOC Cable Infrastructure

Exceptional Distance Performance

Traditional copper cables face severe limitations beyond 5-7 meters at high speeds. AOC Cable solutions effortlessly span distances up to 100 meters without signal repeaters or regeneration equipment. This extended reach dramatically simplifies data center architecture and reduces infrastructure complexity.

Energy Efficiency and Thermal Management

Power consumption remains a critical concern in modern data centers. AOC Cable assemblies typically consume 3-4 watts per connection-significantly less than comparable active copper solutions. Lower power draw translates directly to reduced cooling requirements and operational costs.

Lightweight and Flexible Design

Anyone who's managed dense cable bundles knows the struggle. AOC Cable products weigh a fraction of equivalent copper alternatives, making installation easier and improving airflow in server racks. The reduced bend radius allows for cleaner cable management and better aesthetics.

Future-Proof Scalability

Investing in AOC Cable infrastructure prepares your network for tomorrow's demands. With support for IEEE 802.3cd standards and compatibility with multiple protocols, these cables adapt seamlessly as your bandwidth requirements grow.

Critical Applications for AOC Cable Deployment

Data Center Interconnects

Modern hyperscale facilities rely on AOC Cable technology to connect top-of-rack switches, spine-leaf architectures, and storage arrays. The combination of high bandwidth, low latency, and extended reach makes them indispensable for contemporary data center designs.

High-Performance Computing

Research institutions and financial trading platforms require absolute reliability. AOC Cable solutions deliver consistent performance with bit error rates meeting stringent requirements-1E-6 for InfiniBand HDR applications and 2.4E-4 for 200GBASE-SR4 implementations.

Broadcast and Media Production

4K, 8K, and uncompressed video workflows demand enormous bandwidth. AOC Cable technology provides the headroom needed for real-time video processing, live event production, and post-production facilities.

Enterprise Core Networks

Forward-thinking organizations deploy AOC Cable solutions to build robust, high-capacity backbone networks. The cables' immunity to electromagnetic interference ensures reliable operation even in electrically noisy environments.

Technical Considerations for AOC Cable Selection

When evaluating AOC Cable options, several factors warrant careful consideration. Operating temperature range affects deployment locations-most solutions function reliably from 0°C to 70°C. Power supply requirements typically center around 3.3V with tight tolerance specifications.

Connector compatibility deserves attention. Whether you need AOC Cable assemblies with QSFP56, QSFP28, or SFP28 interfaces, ensuring proper mechanical and electrical compatibility with existing infrastructure prevents costly mistakes.

Protocol support varies across AOC Cable products. Verify that your chosen solution supports your specific application-whether that's 200G Ethernet, InfiniBand EDR/HDR, or proprietary protocols.

Installation Best Practices

Proper AOC Cable deployment maximizes performance and longevity. Always verify that installation environments fall within specified temperature and humidity ranges. Avoid exceeding minimum bend radius specifications, which can stress internal fiber optic elements.

When routing AOC Cable assemblies, maintain separation from high-voltage power cables to prevent potential interference with control signals. Use appropriate cable management accessories designed for optical assemblies rather than forcing cables into inadequate pathways.

Frequently Asked Questions About AOC Cable

Q: How does an AOC Cable differ from a DAC (Direct Attach Copper) cable?

A: AOC Cable uses fiber optic technology with integrated transceivers, enabling much longer distances (up to 100m) compared to DAC cables which are typically limited to 7 meters. AOC solutions also consume less power and weigh significantly less than copper alternatives.

Q: Can I use AOC Cable in outdoor environments?

A: Standard AOC Cable products are designed for controlled indoor environments with operating temperatures between 0-70°C. For outdoor deployments, you'll need ruggedized versions with extended temperature ratings and environmental protection.

Q: What's the typical lifespan of an AOC Cable?

A: Quality AOC Cable assemblies typically provide 5-10 years of reliable service when operated within specifications. The absence of moving parts and solid-state optical components contribute to excellent long-term reliability.

Q: Are AOC Cable products compatible with existing network equipment?

A: Most AOC Cable solutions feature standard MSA-compliant connectors (QSFP, SFP, etc.) and are designed for plug-and-play compatibility with major switch and server manufacturers. Always verify protocol compatibility for your specific application.

Q: How do I troubleshoot a malfunctioning AOC Cable?

A: Start by inspecting connectors for contamination or damage. Verify that link partners are properly configured and that the AOC Cable is receiving adequate power (typically 3.3V). Check for physical damage along the cable length and ensure you're not exceeding maximum distance specifications.

Q: What maintenance does AOC Cable require?

A: AOC Cable assemblies are largely maintenance-free. Periodically inspect connectors for dust or contamination, clean with appropriate optical cleaning supplies when necessary, and verify that cables aren't subjected to excessive stress or sharp bends.

Q: Can AOC Cable support bidirectional data transmission?

A: Yes, AOC Cable products support full-duplex operation with simultaneous transmit and receive capabilities. The integrated transceivers handle bidirectional communication over separate fiber strands within the cable assembly.

Q: What's the maximum bandwidth I can achieve with AOC Cable?

A: Current AOC Cable technology supports aggregate bandwidths exceeding 200 Gbps, with 400G and 800G solutions becoming increasingly available. The actual bandwidth depends on your specific cable model and network infrastructure capabilities.

Making the Right Choice

Selecting the appropriate AOC Cable solution requires balancing technical requirements against budget constraints. While these cables command a premium over passive alternatives, the operational benefits-reduced power consumption, extended distance capability, and simplified installation-often justify the investment within months.

As network bandwidth demands continue their exponential growth, AOC Cable technology positions organizations for success. Whether upgrading existing infrastructure or building new facilities, these innovative cables deliver the performance, reliability, and scalability that modern applications demand.

 

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