IP67 Optical adapter

Support 24.33024 Gbps, 25.78125 Gbps; Support 15 km link distances 50GHz ITU-based channel spacing (C-Band) with a wavelength locker Monolithic MZM Tunable TOSA APD receiver with limiting amplifier Duplex LC connector Low power consumption: Commercial:<2.0W Industrial: <2.5W Positive power supply lines: 3.3 V Operating case temperature range: Commercial:0 to 70 ºC; Industrial: -40 to 85 ºC RoHS 6 compliant Compliant with SFF-8431 / SFF-8690 25G CWDM 10KM 25G CWDM 40KM 25G DWDM 10KM 25G DWDM 15KM 25G LWDM 30KM 25G 25G 25G 25G 25G 10KM 40KM 10KM 15KM 30KM CWDM CWDM DWMD DWDM LWDM LC LC LC LC LC SM SM SM SM SM DDM DDM DDM DDM DDM COM: 0°C ~70°C IND: -40°C ~85°C COM: 0°C ~70°C IND: -40°C ~85°C COM: 0°C ~70°C IND: -40°C ~85°C COM: 0°C ~70°C IND: -40°C ~85°C COM: 0°C ~70°C IND: -40°C ~85°C FAQ: Q1: What is a 25G SFP28 transceiver? A1: 25G SFP28 transceiver is a compact, hot-pluggable optical module that supports 25Gbps data transmission over fiber or copper cables. It is widely used in data centers, telecom networks, and enterprise networks. Q2: What are the key differences between SFP28 and SFP+? A2: SFP28 supports 25Gbps speeds, while SFP+ supports 10Gbps. SFP28 is backward-compatible with SFP+ ports but requires appropriate configuration for optimal performance. Q3: What distance can a 25G SFP28 SR transceiver cover? A3: The 25G SFP28 SR (Short Reach) module typically supports up to 100 meters over OM4 multimode fiber (MMF). Q4: Can 25G SFP28 modules work in 10G switches? A4: Yes, most 25G SFP28 modules are backward-compatible with 10G SFP+ ports, but they will operate at 10Gbps speeds. Q5: What are the common types of 25G SFP28 transceivers? A5: SR (Short Reach) – Up to 100m over MMF LR (Long Reach) – Up to 10km over SMF ER (Extended Reach) – Up to 40km over SMF Copper (DAC/AOC) – Short-distance direct attach solutions Q6: What are the typical applications of 25G SFP28 transceivers? A6: Data center spine-leaf architecture 5G fronthaul/midhaul networks High-performance computing (HPC) clusters Enterprise network upgrades from 10G to 25G Q7: What is the wavelength of a 25G SFP28 LR transceiver?‌ A7: The 25G SFP28 LR module typically operates at ‌1310nm‌ wavelength, optimized for single-mode fiber (SMF) transmissions up to 10km. Q8: How does 25G SFP28 compare to 100G QSFP28 in cost and performance?‌ A8: 25G SFP28 is more cost-effective for short-to-medium distances (≤10km), while 100G QSFP28 suits high-density 100G deployments. Q9: Do 25G SFP28 modules support DDM/DOM monitoring?‌ A9: Yes, most MSA-compliant modules include ‌Digital Diagnostics Monitoring (DDM/DOM)‌ for real-time performance tracking. Q10: What’s the future of 25G SFP28 with 50G/100G adoption?‌ A10: 25G remains relevant for cost-sensitive upgrades, especially in ‌5G fronthaul‌ and enterprise edge networks, despite higher-speed alternatives.

400G QSFP-DD LR4 10km LC Optical Transceiver‌ The ‌400G QSFP-DD LR4‌ transceiver is a high-performance optical module designed for long-distance 400 Gigabit Ethernet applications. It leverages ‌PAM4 modulation‌ and ‌CWDM lasers‌ to achieve ‌10km transmission‌ over single-mode fiber (SMF), complying with ‌IEEE 802.3bs‌ and ‌QSFP-DD MSA‌ standards. Featuring ‌dual LC connectors‌ with a ‌12W max power‌ consumption, ensuring energy-efficient operation in data center interconnects and metro networks. Applications:‌ Data center interconnects‌ between remote sites. 5G fronthaul/midhaul‌ networks requiring high-bandwidth, low-latency links. Enterprise and cloud service provider‌ infrastructures scaling to 400G. RoHS compliant‌ and engineered for future-proof networking, this transceiver enables seamless migration to next-generation 400G architectures. Compliant with 100G Lambda MSA: 400GBASE-LR4-10 optical interface Compliant with IEEE 802.3bs standard: 400GAUI-8 electrical interface Compliant with QSFP-DD MSA HW Rev 5.1 type 2 housing with duplex LC connector Compliant with QSFP-DD CMIS Rev 4.0 Operating distance at engineering link of up to 10km Maximum power consumption 10 W Case operating temperature 0°C to 70°C Two wire serial Interface with digital diagnostic monitoring Complies with EU Directive 2011/65/EU(RoHS compliant) Class 1 Laser 200G QSFP56 SR4 100M 400G QSFP-DD SR8 100M 400G QSFP-DD DR4 2KM 400G QSFP-DD LR4 10KM 400G OSFP SR8 100M 200G 400G 400G 400G 400G 100M 100M 2KM 10KM 100M 850nm 850nm 1310nm CWDM 850nm MPO MPO MPO LC MPO MM MM SM SM MM DDM DDM DDM DDM DDM COM: 0°C ~70°C COM: 0°C ~70°C COM: 0°C ~70°C COM: 0°C ~70°C COM: 0°C ~70°C FAQ: Q1: What is 400G QSFP-DD? A1: It is a high-density, hot-pluggable optical module interface supporting 400Gbps data rates, featuring 8 electrical channels for enhanced bandwidth. Q2: What are the main types of 400G QSFP-DD modules? A2: Common variants include SR8 (short-range), DR4/FR4 (intermediate), LR4/LR8 (long-range), and ER4/ER8 (extended-reach), with transmission distances ranging from 100m to 40km. Q3: How does OSFP differ from QSFP-DD?‌ A3: OSFP has a larger form factor and non-compatible electrical interfaces, while QSFP-DD is backward-compatible with QSFP28 modules. Q4:What encoding scheme does 400G OSFP use?‌ A4: Data Rate 53.125Gbps (PAM4) per channel(Maximum power consumption 12W), balancing speed and complexity. Q5: What is the maximum transmission distance for 400G QSFP-DD LR4? A5: The LR4 variant supports up to 10km over single-mode fiber (SMF) using 4x106Gbps lanes, ideal for 5G and cloud interconnects.  (https://www.etulinktechnology.com/400g-qsfp-dd-lr4-10km-lc-optical-transceiver_p330.html) Q6: What is the electrical interface of QSFP-DD? A6: The module converts 8 channels of 50Gb/s (PAM4) electrical input data to 4 channels of CWDM optical signals and multiplexes them into a single channel for 400Gb/s optical transmission. Q7: Does QSFP-DD support digital diagnostics? A7: Yes, it includes DDM (Digital Diagnostic Monitoring) per MSA standards, enabling real-time monitoring of temperature, voltage, and optical power. Q8: What DAC options exist for 400G QSFP-DD? A8: Available configurations include direct QSFP-DD-to-QSFP-DD, or breakout to 2x200G QSFP56/4x100G QSFP56/8x50G SFP56 for flexible scaling. Q9: How does OSFP differ from QSFP-DD?‌ A9: OSFP has a larger form factor and non-compatible electrical interfaces, while QSFP-DD is backward-compatible with QSFP28 modules.

High-speed data transmission in 25 Gigabit Ethernet networks using Lan Wavelength Division Multiplexing (LWDM) technology.