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ZTE SFP GPON OLT C+ optical transceiver is designed to work together with GPON-type optical line Terminal such as ZTE C300 C320. ZTE SFP GPON OLT C+ is equipped with a high-quality emitter, and allows to work longer without losing radiation power for a long time and while not allowing the network to sink. ZTE SFP GPON OLT C+ gives out no more than 128 client ONU terminals, while EPON technology allows only 64 client terminals to pass through.
| Brand | ZTE | 
| Model | SFP C+ | 
| Rate | 2.5G | 
| Use | GPON OLT | 
| Type | Fiber to the Home, Passive Optical Network | 
| Style | Wired (optical) | 
| Application | Ethernet, Sonet / Sdh, Fiber Channel | 
| Transmission distance | 20km | 
| Package | SFP | 
| Transmission method | single-mode fiber | 
| Certification | CE, FCC, RoHS | 
| Wavelength | 1310nm/1550nm | 
| Interface type | SC | 



Q: What’s the difference between ZTE GPON OLT SFP Module C+ and C++ ?
 A:
| C+ Module | C++ Module | |
| Type | One-fiber bi-directional optical module, class C+ | One-fiber bi-directional optical module, class C++ | 
| Operating Wavelength | Tx: 1490 nm | Tx: 1490 nm | 
| Rx: 1310 nm | Rx: 1310 nm | |
| Encapsulation Type | SFP | SFP | 
| Port Rate | Tx:2.49Gbit/s | Tx:2.488Gb/s | 
| Rx:1.24Gbit/s | Rx:1.244Gb/s | |
| Minimum Output Optical Power | 3.00 dBm | 6.00 dBm | 
| Maximum Output Optical Power | 7.00 dBm | 10.00 dBm | 
| Maximum Receiver Sensitivity | -32.00 dBm | -35.00 dBm | 
| Optical Connector Type | SC/PC | SC/UPC | 
| Optical Fiber Type | Single-mode | Single-mode | 
| Reach | 20.00km | 20.00km | 
| Overload Optical Power | -12.0 dBm | -15.0 dBm | 
| Extinction Ratio | 8.2 dB | 8.2 dB |