Product Overview
The SPT-PB2733/3327TG-S20 series are SFP+ BIDI (Bidirectional) optical transceiver modules that support a 10Gbps data transmission rate with a maximum transmission distance of 20km. These modules feature an SC interface and a built-in DDM (Digital Diagnostic Monitoring) function, comply with the SFF-8472 standard, and are suitable for 10G Ethernet, Fiber Channel, and other high-speed data transmission applications.
Product Features
- Single-fiber bidirectional transmission: Uses BIDI technology to achieve bidirectional data transmission over a single fiber
- High data rate: Supports a 10Gbps data transmission rate
- Long-distance transmission: Maximum transmission distance of 20km (9/125μm single-mode fiber)
- SC interface: Uses an SC fiber optic connector
- DDM digital diagnostic monitoring: Supports real-time monitoring of internal temperature, supply voltage, laser bias current, transmit optical power, and receive optical power
- 2-wire serial interface: Access EEPROM information and DDM parameters via the I²C interface
- Rate select function: Supports RS0/RS1 pin control to distinguish between >4.5Gb/s and ≤4.5Gb/s input data rates
- Compliant with international standards: Meets international EMC and safety requirements and standards
- Hot-pluggable: Supports hot-plug operation
- Low power consumption: Optimized power consumption design
Specifications
| Item | Specification |
|---|---|
| Product Model | SPT-PB2733TG-S20 / SPT-PB3327TG-S20 |
| Package Type | SFP+ |
| Data Rate | 10Gbps |
| TX Wavelength | 1270nm / 1330nm |
| RX Wavelength | 1330nm / 1270nm |
| Transmission Distance | 20km (9/125μm single-mode fiber) |
| Fiber Type | 9/125μm single-mode fiber |
| Interface Type | SC |
| TX Optical Power | -8 ~ 0.5dBm |
| Receiver Sensitivity | -23dBm |
| LOS Hysteresis | 0.5 ~ 4dB |
| Receiver Reflectance | -12dB |
| Overload Saturation | 0.5dBm |
| Encoding | 64B/66B |
| Operating Temperature | Commercial (0°C ~ 70°C) |
| DDM Function | Supported |
Pin Assignment
| Pin No. | Name | Function |
|---|---|---|
| 1 | VeeT | Transmitter Ground |
| 2 | TX Fault | Transmitter Fault Indication |
| 3 | TX Disable | Transmitter Disable |
| 4 | SDL | 2-wire serial interface data input/output (SDA) |
| 5 | SCL | 2-wire serial interface clock input |
| 6 | MOD-ABS | Module Absent; connected to VeeR or VeeT in the module |
| 7 | RS0 | Rate select 0, optionally controls the SFP+ receiver. When high, input data rate >4.5Gb/s; when low, input data rate ≤4.5Gb/s |
| 8 | LOS | Loss of Signal |
| 9 | RS1 | Rate select 1, optionally controls the SFP+ transmitter. When high, input data rate >4.5Gb/s; when low, input data rate ≤4.5Gb/s |
| 10-11 | VeeR | Receiver Ground |
| 12 | RD- | Inverted Received Data Out |
| 13 | RD+ | Received Data Out |
| 14 | VeeR | Receiver Ground |
| 15 | VccR | Receiver Power |
| 16 | VccT | Transmitter Power |
| 17 | VeeT | Transmitter Ground |
| 18 | TD+ | Transmit Data In |
| 19 | TD- | Inverted Transmit Data In |
| 20 | VeeT | Transmitter Ground |
EEPROM Information and DDM Management
The SFP+ modules implement the 2-wire serial communication protocol as defined in SFF-8472. The serial ID information of the SFP+ modules and Digital Diagnostic Monitor parameters can be accessed through the I²C interface at addresses A0h and A2h. The DDM parameters have been internally calibrated.
Digital Diagnostic Monitor Parameters
| Parameter | Accuracy | Unit | Calibration |
|---|---|---|---|
| Transceiver Internal Temperature | ±3.0 | °C | Internal |
| VCC3 Internal Supply Voltage | ±5.0 | % | Internal |
| Laser Bias Current | ±10 | % | Internal |
| TX Output Power | ±3.0 | dBm | Internal |
| RX Input Power | ±3.0 | dBm | Internal |
EEPROM Serial ID Memory Contents (A0h)
| Address | Length (Byte) | Name | Description and Contents |
|---|---|---|---|
| 0 | 1 | Identifier | Type of serial transceiver (03h = SFP) |
| 1 | 1 | Reserved | Extended identifier of type serial transceiver (04h) |
| 2 | 1 | Connector | Code of optical connector type (07 = LC) |
| 11 | 1 | Encoding | 64B/66B |
| 12 | 1 | BR Nominal | Nominal baud rate, unit of 100Mbps |
| 14 | 1 | Length (9μm km) | Link length supported for 9/125μm fiber, unit of km |
| 20-35 | 16 | Vendor Name | SFP vendor name |
| 37-39 | 3 | Vendor OUI | SFP transceiver vendor OUI ID |
| 40-55 | 16 | Vendor PN | Part Number |
| 56-59 | 4 | Vendor rev | Revision level for part number |
| 60-61 | 2 | Wavelength | Laser wavelength |
| 68-83 | 16 | Vendor SN | Serial number (ASCII) |
| 84-91 | 8 | Date code | Manufacturing date code |
Regulatory Compliance
The transceiver complies with international Electromagnetic Compatibility (EMC) and international safety requirements and standards.
| Test Item | Standard | Compliance |
|---|---|---|
| Electrostatic Discharge (ESD) to Electrical Pins | MIL-STD-883E Class 1 (>1000V) Method 3015.7 | Compliant with standards |
| Electrostatic Discharge (ESD) to Duplex LC Receptacle | IEC 61000-4-2 / GR-1089-CORE | Compliant with standards |
| Electromagnetic Interference (EMI) | FCC Part 15 Class B / EN55022 Class B (CISPR 22B) / VCCI Class B | Compliant with standards |
| Laser Eye Safety | FDA 21 CFR 1040.10 and 1040.11 / EN60950 / EN(IEC)60825-1 | Compliant with Class 1 laser product |
Ordering Information
| Product Model | Product Description |
|---|---|
| SPT-PB2733TG-S20 | SFP+ BIDI Optical Transceiver, 1270nm TX / 1330nm RX, 10Gbps, 20km, SC Interface with DDM, Commercial Temperature |
| SPT-PB3327TG-S20 | SFP+ BIDI Optical Transceiver, 1330nm TX / 1270nm RX, 10Gbps, 20km, SC Interface with DDM, Commercial Temperature |
Applications
- 10G Ethernet
- Fiber Channel
- High-speed data transmission networks
- Data center interconnects
- Metropolitan area network communication systems
- Enterprise network backbone connections
Contact Information
Email: info@sopto.com.cn
Web: http://www.sopto.com.cn
Note: For customized solutions, please contact us.
