25Gbps SFP28 Transceiver Single Mode 10KM SFP+ Dual LC Port CE RoHS With DDM
Brand Name:Olycom
Certification:CE RoHS FCC ISO9001
Model Number:OSPLTG10D
Minimum Order Quantity:1pc
Delivery Time:3~7 working days
Payment Terms:T/T, PayPal
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Location:
Shenzhen China
Address:
4/F, 2-3 Building, Tongfuyu Industrial Zone, Aiqun Rd, Shiyan, Baoan District, Shenzhen, China
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Product Details
Company Profile
Product Details
Olycom SFP28 25G Singlemode Fiber Transceiver
Product Features
- Supports up to 25.78Gbps bit rates
- Hot-pluggable SFP+ footprint
- CWDM DFB laser and PIN photodiode, Up to 10km for SMF transmission
- Compliant with SFP+ MSA and SFF-8472 with duplex LC receptacle
- Compatible with RoHS
- Single +3.3V power supply
- Real Time Digital Diagnostic Monitoring
- Operating case temperature: 0 to +70°C
Description
- The SFP28 transceivers are high performance, cost effective modules supporting data rate of 25.78Gbps and 10km transmission distance with SMF.
- The transceiver consists of three sections: a DFB laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements.
- The transceivers are compatible with SFP Multi-Source Agreement and SFF-8472 digital diagnostics functions.
Application
25GBASE-LR
Optical and Electrical Characteristics
| Parameter | Symbol | Min | Typical | Max | Unit | Notes | ||
| Transmitter | ||||||||
| Centre Wavelength | λc | λc-6.5 | λc | λc+6.5 | nm | |||
| Spectral Width(-20dB) | Δλ | 1 | nm | |||||
| Side-Mode Suppression Ratio | SMSR | 30 | - | dB | ||||
| Average Output Power | Pout | 0 | 6 | dBm | 1 | |||
| Extinction Ratio | ER | 3.5 | dB | |||||
| Data Input Swing Differential | VIN | 180 | 850 | mV | 2 | |||
| Input Differential Impedance | ZIN | 90 | 100 | 110 | Ω | |||
| TX Disable | Disable | 2.0 | Vcc | V | ||||
| Enable | 0 | 0.8 | V | |||||
| TX Fault | Fault | 2.0 | Vcc | V | ||||
| Normal | 0 | 0.8 | V | |||||
| Receiver | ||||||||
| Centre Wavelength | λc | 1260 | 1620 | nm | ||||
| Receiver Sensitivity | -13.3 | dBm | 3 | |||||
| Receiver Overload | 2 | dBm | 3 | |||||
| LOS De-Assert | LOSD | -15 | dBm | |||||
| LOS Assert | LOSA | -30 | dBm | |||||
| LOS Hysteresis | 0.5 | dB | ||||||
| Data Output Swing Differential | Vout | 300 | 900 | mV | 4 | |||
| LOS | High | 2.0 | Vcc | V | ||||
| Low | 0.8 | V | ||||||
Digital Diagnostic Memory Map
The transceivers provide serial ID memory contents and diagnostic information about the present operating conditions by the 2-wire serial interface (SCL, SDA).
The diagnostic information with internal calibration or external calibration all are implemented, including received power monitoring, transmitted power monitoring, bias current monitoring, supply voltage monitoring and temperature monitoring.
The digital diagnostic memory map specific data field defines as following.
Pin Description
| Pin | Signal Name | Description | Plug Seq. | Notes |
| 1 | VEET | Transmitter Ground | 1 | |
| 2 | TX FAULT | Transmitter Fault Indication | 3 | Note 1 |
| 3 | TX DISABLE | Transmitter Disable | 3 | Note 2 |
| 4 | SDA | SDA Serial Data Signal | 3 | |
| 5 | SCL | SCL Serial Clock Signal | 3 | |
| 6 | MOD_ABS | Module Absent. Grounded within the module | 3 | |
| 7 | RS0 | Not Connected | 3 | |
| 8 | LOS | Loss of Signal | 3 | Note 3 |
| 9 | RS1 | Not Connected | 3 | |
| 10 | VEER | Receiver ground | 1 | |
| 11 | VEER | Receiver ground | 1 | |
| 12 | RD- | Inv. Received Data Out | 3 | Note 4 |
| 13 | RD+ | Received Data Out | 3 | Note 4 |
| 14 | VEER | Receiver ground | 1 | |
| 15 | VCCR | Receiver Power Supply | 2 | |
| 16 | VCCT | Transmitter Power Supply | 2 | |
| 17 | VEET | Transmitter Ground | 1 | |
| 18 | TD+ | Transmit Data In | 3 | Note 5 |
| 19 | TD- | Inv. Transmit Data In | 3 | Note 5 |
| 20 | VEET | Transmitter Ground | 1 |
Dimension
Ordering information
| Part Number | Product Description |
| OSPLTG10D | 1271~1371nm, 25.78Gbps, LC, 10km, 0°C~+70°C, with DDM |
| λC Wavelength Guide | |||||||||||
| Code | λC | Unit | Code | λC | Unit | Code | λC | Unit | Code | λC | Unit |
| 27 | 1271 | nm | 29 | 1291 | nm | 31 | 1311 | nm | 33 | 1331 | nm |
| 35 | 1351 | nm | 37 | 1371 | nm | ||||||
25Gbps SFP28 Transceiver Single Mode 10KM SFP+ Dual LC Port CE RoHS With DDM
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