光纤
产品（3)
AFBR-2529RZ - 50MBd Versatile Link Fiber Optic Receiver | Broadcom
The Broadcom AFBR-2529RZ is a 50 MBd fiber optic receiver in the AFBR-2500 series Versatile Link (VL) family, designed for use with 1 mm Polymer Optical Fiber (POF) and 200 µm Hard Clad Silica (HCS) fiber. Packaged in a horizontal inverting conductive-housing module with 4-pin DIP-form connector interface, the part operates from a single 3.3 V (typical) supply and supports data rates from DC up to 50 MBd. A fiber optic receiver is an optoelectronic device that converts incoming light pulses transmitted through an optical fiber into a corresponding electrical signal. Receivers in the Versatile Link family sit in the broader hierarchy of fiber optic components, which also include transmitters, transceivers, and photo-diodes. They are widely used as the receiving end of short-reach, EMI-immune point-to-point links in industrial and automotive environments, where galvanic isolation and noise immunity outweigh the cost premium of optical cabling. Key features of the AFBR-2529RZ include an integrated PIN photodiode with internal transimpedance amplifier (TIA), TTL-compatible logic output, inverting output polarity (logic LOW when light is present), DC-coupled data path, and a conductive internal housing for EMI/RFI shielding. The receiver is rated for operation from 0 °C to +70 °C, supports link distances up to 50 m on POF (with 1 dB/m loss fiber) and longer on HCS, and ships in a RoHS-compliant Pb-free package qualified to Broadcom's industrial-grade reliability flow. Architecturally, the part uses a silicon PIN photodiode coupled to a bipolar transimpedance front-end, followed by a limiting amplifier that produces a clean TTL output swing on every received bit. An internal optical lens molded into the Versatile Link housing maximizes coupling efficiency and tolerates up to ±0.5 dB of mechanical misalignment with the mating AFBR-1529RZ transmitter or equivalent. Compared to discrete photodiode + op-amp designs, the AFBR-2529RZ integrates bias network, supply decoupling, and shield ground in a single connectorized module, simplifying PCB layout. Typical applications include industrial control busses (Profibus, DeviceNet, ASI), factory automation links, voltage-isolated data acquisition, gaming machines, and automotive infotainment or battery-management point-to-point links. Pairing the AFBR-2529RZ with the complementary AFBR-1529RZ transmitter forms a complete galvanically isolated optical data link without external components beyond a single bypass capacitor. When designing with this part, place a 0.1 µF ceramic bypass capacitor within 5 mm of the VCC pin and stitch the conductive housing shield to chassis ground through the locking connector tabs. The receiver's inverting output is intended for direct connection to a TTL/LVTTL input; an external Schmitt-trigger buffer is recommended if the receiving MCU is CMOS-only with a VCC > 3.3 V. Avoid routing the optical fiber through tight bends below the 25 mm minimum bend radius to prevent permanent attenuation damage. This page synthesizes distributor pricing, drop-in alternatives within the same Versatile Link housing, and practical design notes not found in the manufacturer datasheet alone, giving engineers a one-stop view of the AFBR-2529RZ's role, fits, and replacements.
SFP-10G-ZR-S-ST - Cisco Compatible 10GBASE-ZR SFP+ 80km SMF | StarTech.com
The StarTech.com SFP-10G-ZR-S-ST is a Cisco SFP-10G-ZR-S compatible fiber-optic transceiver module delivering 10 Gbps Ethernet over single-mode fiber at a 1550 nm wavelength with reach of up to 80 km (49.7 mi) via a duplex LC connector. It is housed in a hot-swappable SFP+ pluggable form factor that conforms to the SFF-8431 electrical interface and the 10GBASE-ZR IEEE 802.3ae optical standard. The module is programmed and tested for interoperability with Cisco ASR9000, ASR1000, NCS5500, C3850, and C9500 platforms, and exposes Digital Diagnostic Monitoring (DDM/DOM) per SFF-8472 for real-time temperature, TX bias, TX power, and RX power telemetry. An SFP+ (Small Form-Factor Pluggable Plus) transceiver is a hot-swappable optical module that converts between electrical SFI signals and optical wavelengths for serial 10 Gigabit transport. It belongs to the family of pluggable optical transceivers that includes the original SFP (1G), SFP28 (25G), QSFP+ (40G), and QSFP28 (100G). The SFP+ cage and basic outline are identical to a 1G SFP, but the electrical and optical blocks are designed for 10 GbE line rates and stricter signal conditioning. ZR-class optics extend the SFP+ family into long-haul and metro-edge applications that previously required fixed-port transponders. Key features include 1550 nm EML-style optics tolerant of dispersion over 80 km of G.652 SMF, a typical TX output power of +0 dBm to +5 dBm, receiver sensitivity around -24 dBm, and an SFP+ power budget of roughly 1.5 W under full data load. The DOM block reports link status to Cisco IOS/IOS-XE via standard SFF-8472 registers, avoiding transceiver-unsupported alarms when the host validates the coded vendor and part number in EEPROM. Technically the module aligns with the S-Class (S suffix) specification, meaning it is tuned for controlled-temperature deployments (commercial 0 to 70 °C range). The EML transmitter and APD receiver pair enable 80 km links without inline dispersion compensation, and the LC duplex UPC interface matches the patch cabling used in most carrier and enterprise fiber plants. Typical applications include 10 GbE uplinks between enterprise core switches and campus distribution routers, dark-fiber aggregation in ISP and metro networks, long-reach interconnects between data centers in adjacent metros, and Cisco IOS-XE platform upgrades where OEM SFP-10G-ZR-S is over-spec for the use case. This is a non-ITU OTU2/OTU2e variant aimed at pure 10G Ethernet transport. When designing with this module, validate optical budget end-to-end: 80 km of G.652 typically introduces 16-20 dB of attenuation plus dispersion penalty. StarTech specifies compatibility-tested operation, not multiparts, meaning Cisco IOS firmware must accept the coded EEPROM. Always insert inline optical attenuators if link margin pushes RX power above the -7 dBm damage threshold of the APD receiver. This page synthesizes compatibility scope, drop-in MSA-grade alternatives, and procurement guidance not consolidated on the manufacturer datasheet. This page consolidates Cisco compatibility scope, MSA-grade drop-in alternatives, optical-budget design notes, and distributor pricing not presented as a single decision document on the manufacturer datasheet.
SFP-10G-ZR-ST - Cisco Compatible 10GBASE-ZR 80km SFP+ | StarTech.com
The StarTech.com SFP-10G-ZR-ST is a Cisco SFP-10G-ZR compatible fiber transceiver module that delivers 10 Gigabit Ethernet connectivity over single-mode fiber (SMF) for 10GBASE-ZR compliant networks, with a maximum reach of up to 80 km (49.7 mi). It operates at the 1550 nm wavelength using a duplex LC connector interface, and is hot-pluggable into any standard SFP+ MSA cage. According to the StarTech.com product page, it has been designed, programmed, and tested to work with Cisco brand switches and routers including the ASR9000, ASR1000, NCS5500, C3850, and C9500 platforms. An SFP+ (Small Form-factor Pluggable Plus) transceiver is a compact, hot-swappable optical module used in networking equipment to convert between electrical signals on the host board and optical signals on the fiber plant. SFP+ modules are an evolution of the 1G SFP form factor that retain the same physical cage size while supporting 10GbE, 10G Fibre Channel, and OTU2/OTU2e line rates. The 10GBASE-ZR IEEE 802.3ae variant specifies 80 km reach over SMF (G.652), placing it in the long-haul category alongside 10GBASE-ER (40 km) and 10GBASE-LR (10 km). Key features include a maximum data transfer rate of 10 Gbps, Digital Diagnostic Monitoring (DDM) support that exposes Tx bias current, Tx optical power, Rx optical power, temperature, and supply voltage over the standard 2-wire management interface, and a single +3.3 V power supply rail typical of all SFP+ designs. The LC duplex optical interface is the industry-standard connector for SMF transceivers in this class. The module is programmed with Cisco-compatible DOM/DDM registers so it enumerates correctly on Cisco IOS-XE and IOS-XR without producing the well-known %SFF-2-1 unsupported SFP errors. The transceiver uses an EML (electro-absorption modulated laser) TOSA plus APD (avalanche photodiode) receiver architecture - the standard combination for 80 km ZR-class optics. The cooled EML enables narrow-linewidth 1550 nm emission needed to stay within the chromatic-dispersion budget of the 80 km SMF span, while the APD provides the sensitivity required to detect the corresponding low incident optical power. The host-side electrical interface complies with the SFP+ MSA including the SFF-8431 limiting/modulating driver and SFF-8472 DDM memory map. Typical applications include 10GbE links between data centers, ISP uplinks to customers over dark fiber, enterprise campus backbones, and OTU2/OTU2e transport in metro aggregation rings. Third-party ZR optics are widely deployed in service-provider and enterprise networks to avoid Cisco OEM pricing on the equivalent SFP-10G-ZR, which is documented in industry sources as exceeding $2,000 per unit. When deploying the SFP-10G-ZR-ST, validate the optical power budget against the actual span loss and keep Tx/Rx levels within the module's published min/max windows - ZR optics have tighter power margins than LR or ER and can saturate the APD if used on short links without an inline attenuator. This page synthesizes distributor pricing, drop-in alternatives, and practical deployment notes not found in the manufacturer datasheet alone.