25G DWDM SFP28 ER CH17-CH61 15km
- Hot-pluggable SFP28 package
- Simplex transceiver module
- 1330nm DFB transmitter and PIN receiver
- Compliant with SFF-8472, SFF-8431, SFF-8432, and SFP28 MSA Ethernet standards
- Maximum power consumption less than 1.75W
- Built-in Digital Diagnostic Monitoring (DDM)
- Power supply voltage 3.3V
- RoHS environmental standards compliant (lead-free)
- Class 1/1M product per 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-25G-DWDM40 | Vendor Name | Fiberolink |
| Form Factor | SFP28 | Data Rate | 25.78Gbps |
| Wavelength | TX-1330nm/RX-1270nm | Distance | 20km |
| Connector | LC Simplex | Cable Type | SMF |
| Transmitter Type | DFB | Detector Types | PIN |
| TX Power | -7~2dBm | Receiver Sensitivity | < -11.5dBm |
| Power Consumption | ≤1.75W | Operation Temperature | 0~70°C |
| DDM | Support | EMC | Support |
| Modulation | NRZ | CDR | TX & RX Built-in CDR |
| Protocols | SFF-8472, SFF-8431, SFF-8432, SFP28 MSA, CPRI, eCPRI | ||
Q: What types of 25G SFP28 optical modules are there?
A: There are three types of 25G modules: 25G dual-fiber bidirectional modules (SR, LR, ER), 25G single-fiber bidirectional modules (BiDi), and 25G WDM color optical modules (CWDM, DWDM, LWDM).
Q: What is the maximum transmission distance for 25G SFP28 optical modules?
A: Currently, the SFP-25G-ER model optical module has the longest transmission distance, theoretically up to 40 kilometers. It is not excluded that future 25G optical modules may have even longer transmission ranges.
Q: Can SFP28 optical modules support downward compatibility?
A: Yes, they can support downward compatibility with 10G speeds.
Q: Can an SFP28 port be interconnected with a QSFP28 port?
A: Yes, it is possible. By configuring the 100G QSFP28 port on your device to operate in 4*25G mode (if supported), then inserting a 100G module into this port, and connecting it to the SFP28 port using a one-to-four cable.
- Module + Jumper: Use a 25G SR module on the 25G end, a 100G SR4 module on the 100G end, and connect them using a multimode MTP/MPO to 4xLC harness cable.
- Breakout Cable: Interconnect using a 100G to 4x25G breakout AOC/DAC cable.
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