1.25G CWDM SFP 20km
- Adopts hot-swappable SFP packaging Full-duplex transceiver module
- CWDM DFB transmitter and PIN receiver
- Compliant with IEEE 802.3z, SFF-8472, and SFP MSA Ethernet standards
- Maximum power consumption less than 1W
- Built-in Digital Diagnostic Monitoring (DDM)
- Power supply voltage 3.3V
- RoHS compliant (lead-free)
- Class 1/1M product, compliant with IEC60825-1 requirements
- Meets Telcordia (Bellcore) GR-468-CORE reliability requirements
- Meets EMI and ESD requirements
Warranty : 30-Day Free Return, 3-Year Free Replacement, 5-Year Warranty, Lifetime After-sales Technical Support.
| Product Model | SFP-CWDM-20 | Vendor Name | Walsun |
| Form Factor | SFP | Data Rate | 1.25Gbps |
| Wavelength | 1270~1610nm | Distance | 20km |
| Connector | LC Duplex | Cable Type | 单模SMF |
| Transmitter Type | DFB | Receiver Type | PIN |
| TX Power | -9~0dBm | Receiver Sensitivity | < -22dBm |
| Power Consumption | ≤1W | Operation Temperature | 0~70°C |
| DDM | Support | EMC | Support |
| Protocols | IEEE 802.3z, SFF-8472, SFP MSA, CPRI, eCPRI | ||
Q: Can I apply for a discount on bulk purchases?
A: The more you order, the greater the discount will be. For a quotation inquiry, please call us directly at 0755-23007456 or contact us online.
Q: What types of SFP transceivers are there?
A: Seven types of Gigabit Small Form-factor Pluggable (SFP) transceivers are available, comprising Copper Modules, Fiber Optic Modules, C/DWDM Modules, Industrial Modules, Fiber Channel Modules, BiDi Modules, and SONET/SDH Modules. You can find more information in our introduction to the Gigabit SFP Module product series.
Q: What are the features and advantages of 1G SFP transceivers?
A: 1G SFP transceivers enable service providers or enterprises to achieve high-speed data transmission, enhancing network efficiency with lower costs and power consumption. Six key advantages of 1G SFP transceivers include:
- Compliance with the hot-pluggable SFP Multi-Source Agreement (MSA) standard, maximizing uptime and simplifying maintenance.
- Lower latency compared to some wireless network connections.
- Low power consumption and higher port density.
- Long cable distances, making them ideal for long-range applications such as Metropolitan Area Networks (MAN) or Wide Area Networks (WAN).
- Loss of Signal (LOS) function enhances network reliability and fault detection capability.
- Transistor Outline (TO) coaxial packaging ensures high reliability and protects electronic components from environmental influences and mechanical stress.
- Digital Optical Monitoring (DOM) functionality supports real-time monitoring of parameters like optical output power, optical input power, temperature, laser bias current, and transceiver supply voltage.
| Product Number | Data Rate (Gb/s) |
Wavelength (nm) |
Reach (km) |
LD | Tx Power (dBm) |
PD | Rx Sens (dBm) |
Temperature (℃) |
Download |
| CWDM LX | 1.25 | 1270-1610 | 20 | DFB | -9~-3 | PIN | <-20 | 0~70/-40~85 |  |
| CWDM EX | 1.25 | 1270-1610 | 40 | DFB | -5～0 | PIN | <-24 | 0~70/-40~85 | |
| CWDM ZX | 1.25 | 1270-1610 | 80 | DFB | 0～5 | PIN | <-26 | 0~70/-40~85 | |
| CWDM ZX+ | 1.25 | 1470-1610 | 100 | DFB | 0~5 | APD | <-30 | 0~70/-40~85 | |
| CWDM ZR++ | 1.25 | 1470-1610 | 120 | DFB | 0～5 | APD | < -31 | 0~70/-40~85 | |
| CWDM ZR+++ | 1.25 | 1470-1610 | 160 | DFB | 1～6 | APD | < -33 | 0~70/-40~85 | |
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