16G SFP+ CWDM 20KM LC Optical Transceiver

The transceivers are compatible with SFP Multi-Source Agreement and SFF-8472 digital diagnostics functions.

Over standard single-mode fiber (SMF), it supports data rates of 14.025 Gbps for Fibre Channel and 10.3125 Gbps for Ethernet, achieving 10-kilometer transmission distances.

Transmitting at 1330nm and receiving at 1270nm over a single fiber strand, it enables full-duplex 25.78 Gbps data transmission.

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.

It enables full-duplex 25.78 Gbps data transmission over a single fiber strand while effectively doubling fiber infrastructure utilization.