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Broadcom Limited AFBR-710SMZ
- Part No.:
- AFBR-710SMZ
- Manufacturer:
- Broadcom Limited
- Category:
- Fiber Optic Transceiver Modules
- Package:
- Datasheet:
-
AFBR-710SMZ.pdf
- Description:
- OPTICAL TRANSCEIVER
- Quantity:
- Payment:
- Shipping:
Inventory:2,099
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Product details
Overview
AFBR-710SMZ from Broadcom is a hot-pluggable SFP+ transceiver implementing 10GBASE-SR/SW compliance over multimode fiber using an 850 nm VCSEL transmitter and PIN photodiode receiver. It delivers 10.3125 Gb/s data rate, supports 300 m reach on OM3 MMF, operates at 0°C to 70°C case temperature, and features full digital diagnostics per SFF-8472 for real-time monitoring of Tx_Bias, Tx_Power, Rx_Power, Vcc, and temperature - enabling predictive failure identification in high-density Ethernet switches.
For engineers reviewing the AFBR-710SMZ datasheet, pinout, applications, or equivalent options, this page provides verified electrical interface timing, optical eye mask compliance, SFF-8431/8472 diagnostic register mapping, ESD immunity (25 kV air discharge to LC receptacle), and Class 1 laser safety certification - all critical for 10GbE switch/router design, thermal validation, and field-replaceable module qualification.
Technical Context
The AFBR-710SMZ integrates Broadcom's proprietary TOSA (850 nm VCSEL) and ROSA (PIN detector + transimpedance amplifier) into a shielded SFP+ housing compliant with SFF-8432. Its CML-based high-speed interface (TD±/RD±) includes internal AC coupling and 100 Ω differential termination, eliminating host board capacitors and bias resistors per SFF-8431.
Digital diagnostics operate via a two-wire I²C interface (SDA/SCL) accessing EEPROM pages at addresses 0xA0 (SFF-8431 serial ID) and 0xA2 (SFF-8472 real-time monitoring), supporting Predictive Failure Identification through Tx_Bias and Tx_Power trend analysis, Compliance Prediction via Vcc and temperature telemetry, and Fault Isolation using TX_FAULT, RX_LOS, and mirrored status flags.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Data Rate | 10.3125 GBd - matches IEEE 802.3ae 10GBASE-SR line rate with precise clock recovery tolerance |
| Optical Wavelength | 840–860 nm - ensures compatibility with OM3/OM4 multimode fiber modal bandwidth and dispersion limits |
| Link Reach | 300 m on 50 μm OM3 MMF - meets IEEE 10GBASE-SR minimum distance without repeaters |
| Power Dissipation | 600 mW typical - enables thermal management in ≥48-port 1U switch chassis with <10°C ambient rise per module |
| Supply Voltage | 3.135–3.465 V - tight 3.3 V tolerance prevents latch-up during hot-swap insertion transients |
| Diagnostic Interface | SFF-8472 compliant I²C - provides standardized access to real-time Tx/Rx metrics and fault flags for host firmware integration |
| Laser Safety | IEC 60825-1 Class 1 - single-fault-tolerant eye safety circuit disables transmitter if output exceeds –1.0 dBm mean power |
Pinout & Package
AFBR-710SMZ uses a standard 20-pin SFP+ edge connector per SFF-8431/8432, housed in a metal-shielded, RoHS-compliant, UL 94V-0 plastic package measuring 13.4 mm × 8.5 mm × 56.5 mm (L×W×H). The module is hot-pluggable and ESD-hardened for direct insertion into live SFP+ cages.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 3, TX_DISABLE | LVTTL input control | Hardware disable signal with internal 4.7–10 kΩ pull-up to VccT; asserted high shuts down VCSEL and clears TX_FAULT when toggled |
| 2, TX_FAULT | Open-collector fault flag | Active-high LVTTL output indicating catastrophic laser failure; requires external 4.7–10 kΩ pull-up to VccHost |
| 8, RS_LOS | LVTTL output status | Receiver Loss of Signal indicator - high = no valid optical input; mirrored in SFF-8472 register A2h byte 110 bit 1 |
| 4–5, SDA/SCL | I²C bidirectional bus | Two-wire serial interface accessing SFF-8431 ID (0xA0) and SFF-8472 diagnostics (0xA2); requires host-side pull-ups |
| 12–13, RD−/RD+ | CML receiver outputs | Differential CML signals with internal 100 Ω termination - directly interface to SERDES without external AC coupling |
| 18–19, TD+/TD− | CML transmitter inputs | Differential CML inputs with internal AC coupling - accept 180–700 mVpp swing; no host termination required |
Key Features
| Feature | Design Value |
|---|---|
| VCSEL + PIN Optical Subassembly | Broadcom-manufactured 850 nm VCSEL and custom ROSA deliver stable OMA (–4.3 dBm min) and sensitivity (–11.1 dBm) across 0–70°C |
| Digital Diagnostic Monitoring | Real-time access to Tx_Bias, Tx_Power, Rx_Power, Vcc, and temperature via SFF-8472 registers enables predictive maintenance and link health analytics |
| EMI-Optimized Shielding | Metal housing and SFF-8432-compliant design achieves >6 dB margin to FCC Class B limits in 48-port 1U switch configurations |
| Hot-Pluggable Mechanical Design | SFF-8432 housing with staggered pin lengths ensures ESD-safe first-contact grounding before signal engagement during live insertion |
| Class 1 Laser Safety | Integrated eye safety circuit continuously monitors optical output and disables transmitter within microseconds if mean power exceeds –1.0 dBm |
Applications
| Data Center Top-of-Rack Switch | Enterprise Core Router |
|---|---|
Use Scenario: 48-port 10GbE ToR switch connecting servers via OM3 MMF within 300 m rack-to-rack distances. IC Role / Device Role / Timing Role: SFP+ pluggable transceiver providing 10.3125 Gb/s serial optical interface with CML I/O and embedded diagnostics. Use Value: Enables high port density with 600 mW power envelope and EMI shielding that meets FCC Class B without additional chassis filtering. | Use Scenario: Modular core router line card supporting mixed 1G/10G uplinks to aggregation switches over OM4 fiber. IC Role / Device Role / Timing Role: Hot-swappable 10GBASE-SR/SW transceiver with SFF-8472 diagnostics for remote link health monitoring and failover triggering. Use Value: Predictive failure identification via Tx_Bias trend analysis reduces unplanned downtime by enabling proactive replacement before link degradation. |
| Cloud Infrastructure Spine Switch | Industrial Ethernet Backbone |
Use Scenario: High-throughput spine switch interconnecting leaf nodes in hyperscale data centers using OM3 cabling. IC Role / Device Role / Timing Role: SFP+ optical transceiver delivering IEEE 802.3ae-compliant 10GBASE-SR performance with deterministic latency and jitter <0.70 UIp-p. Use Value: Stressed eye compliance (3.5 dB vertical eye closure penalty) ensures robust operation under marginal signal integrity conditions in long backplane traces. | Use Scenario: Ruggedized industrial switch deployed in factory automation networks with ambient temperatures up to 70°C. IC Role / Device Role / Timing Role: Temperature-monitored SFP+ transceiver operating at 0–70°C case range with Class 1 laser safety for personnel protection in uncontrolled environments. Use Value: Real-time temperature telemetry via SFF-8472 allows host firmware to throttle traffic or trigger alarms before thermal derating affects BER performance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 10GbE SFP+ transceiver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AFBR-710ASMZ | Same optical specs but rated for 0°C to 85°C case temperature; higher thermal headroom for fanless or high-ambient deployments | Required for extended-temperature industrial or outdoor enclosures where ambient exceeds 70°C | Select AFBR-710ASMZ when system-level thermal modeling shows case temperature exceeding 70°C under worst-case airflow |
| AFCT-739SMZ | 10GBASE-LR variant using 1310 nm DFB laser for 10 km SMF reach; different wavelength, higher power budget (+0.5 dBm OMA), and distinct eye mask | Used for metro or campus backbone links requiring single-mode fiber transmission beyond 300 m | Choose AFCT-739SMZ only when fiber plant is single-mode and distance exceeds 400 m - not interchangeable with AFBR-710SMZ due to wavelength and fiber type mismatch |
Compared with AFBR-710ASMZ and AFCT-739SMZ, the AFBR-710SMZ offers optimal cost-performance for standard data center OM3/OM4 deployments at 0–70°C, while its diagnostic depth and EMI margin provide measurable advantages in dense switch fabric designs over alternatives lacking SFF-8472 real-time monitoring or SFF-8432 shielding compliance.
Availability
AFBR-710SMZ is available at Aetrix Electronics and suitable for data center switching, enterprise routing, cloud infrastructure spine-layer interconnects, and industrial Ethernet backbone systems requiring stable component supply, full regulatory compliance, and field-proven interoperability with major switch platforms.
Supply support for AFBR-710SMZ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Broadcom Inc. is a global semiconductor leader specializing in wired infrastructure, wireless communications, and enterprise software solutions, with deep expertise in optical interconnect ICs and modules.
The AFBR-710SMZ belongs to Broadcom's SFP+ transceiver product line, engineered specifically for high-density, low-power 10GbE equipment in cloud-scale data centers and carrier-grade networking gear.
FAQ
What is the maximum supported link distance for AFBR-710SMZ on OM4 multimode fiber?
The AFBR-710SMZ supports up to 400 meters on 50 μm OM4 multimode fiber at 10.3125 GBd, as specified in IEEE 802.3ae 10GBASE-SR and confirmed in the AV02-3399EN datasheet Table 8. This exceeds the 300 m OM3 limit and aligns with TIA-492AAAC launch condition requirements for guaranteed error-free operation.
Does AFBR-710SMZ require external AC coupling capacitors on the host board?
No, the AFBR-710SMZ does not require external AC coupling capacitors on the host board. As stated in the datasheet Section "Functional Data I/O", the module incorporates internal AC coupling for both TD± and RD± CML interfaces per SFF-8431, simplifying host PCB layout and reducing bill-of-materials cost.
How is laser eye safety implemented in AFBR-710SMZ?
The AFBR-710SMZ implements Class 1 eye safety per IEC 60825-1 through an integrated safety circuit that continuously monitors optical output power. If mean transmit power exceeds –1.0 dBm (the Class 1 limit), the circuit disables the VCSEL within microseconds. Certification documentation includes CDRH #9720151-197 and TUV file #R 50394970.
Can AFBR-710SMZ be used in systems requiring SFF-8472 digital diagnostics?
Yes, the AFBR-710SMZ fully supports SFF-8472 digital diagnostics via its two-wire I²C interface (SDA/SCL pins 4–5), providing real-time access to Tx_Bias, Tx_Power, Rx_Power, Vcc, and temperature at memory address 0xA2. All diagnostic registers and alarm/warning thresholds comply with SFF-8472 Rev 12.3.
What is the absolute maximum supply voltage rating for AFBR-710SMZ?
The absolute maximum supply voltage for both VccT and VccR pins of the AFBR-710SMZ is 3.8 V, as defined in Table 3 of the AV02-3399EN datasheet. Exceeding this voltage - even briefly - risks immediate catastrophic damage. The recommended operating range remains tightly controlled at 3.135–3.465 V to ensure reliable hot-swap behavior and laser driver stability.
AFBR-710SMZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Broadcom Limited
- Series:
- -
- Packaging:
- Tray
- Product Status:
- Obsolete
- Data Rate:
- -
- Wavelength:
- -
- Applications:
- -
- Voltage - Supply:
- -
- Connector Type:
- -
- Mounting Type:
- -
AFBR-710SMZ FAQ
1.How can I place an order for AFBR-710SMZ through Aetrix?
Please submit a Request for Quotation (RFQ) for AFBR-710SMZ on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for AFBR-710SMZ reliable?
The price and inventory of AFBR-710SMZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AFBR-710SMZ is usually 5 days.
3.What payment methods are accepted for AFBR-710SMZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AFBR-710SMZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AFBR-710SMZ?
AFBR-710SMZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AFBR-710SMZ order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for AFBR-710SMZ?
For technical support, including AFBR-710SMZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AFBR-710SMZ requirements.
6.How does Aetrix verify that AFBR-710SMZ is sourced from the original manufacturer or authorized distributors?
All AFBR-710SMZ products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AFBR-710SMZ meets industry standards.
7.What is the process for return or replacement of AFBR-710SMZ?
All AFBR-710SMZ units undergo pre-shipment inspection (PSI). If there is an issue with AFBR-710SMZ, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The AFBR-710SMZ part is unused and in its original packaging.
Return procedure for AFBR-710SMZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
AFBR-710SMZ Tags
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