1.25Gb/s SFP 1310nm Duplex 10Km Transceiver, SSFP03-0031SL10X Small Form Factor Pluggable (SFP) transceivers are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA). The transceiver consists of five sections: the LD driver, the limiting amplifier, the digital diagnostic monitor, the 1310nm FP laser and the PIN photo-detector .The module data link up to 10KM in 9/125um single mode fiber.
1.25Gb/s SFP 1310nm Duplex 10Km Transceiver
The optical output can be disabled by a TTL logic high-level input of Tx Disable, and the system also can disable the module via I2C. Tx Fault is provided to indicate that degradation of the laser. Loss of signal (LOS) output is provided to indicate the loss of an input optical signal of receiver or the link status with partner. The system can also get the LOS (or Link)/Disable/Fault information via I2C register access.
Features
l l Up to 1.25Gb/s data links
l l FP laser transmitter and PIN photo-detector
l l Up to 10km on 9/125µm SMF
l l Hot-pluggable SFP footprint
l l Duplex LC/UPC type pluggable optical interface
l l Low power dissipation
l l Metal enclosure, for lower EMI
l l RoHS compliant and lead-free
l l Single +3.3V power supply
l l Support Digital Diagnostic Monitoring interface
l l Compliant with SFF-8472
l l Case operating temperature
Commercial: 0°C to +70°C
Industrial: -40°C to +85°C
Applications
l l Switch to Switch Interface
l l Gigabit Ethernet
l l Switched Backplane Applications
l l Router/Server Interface
l l Other Optical Links
Pin Description
| Pin | Symbol | Name/Description | NOTE |
| 1 | VEET | Transmitter Ground (Common with Receiver Ground) | 1 |
| 2 | TFAULT | Transmitter Fault. | |
| 3 | TDIS | Transmitter Disable. Laser output disabled on high or open. | 2 |
| 4 | MOD_DEF(2) | Module Definition 2. Data line for Serial ID. | 3 |
| 5 | MOD_DEF(1) | Module Definition 1. Clock line for Serial ID. | 3 |
| 6 | MOD_DEF(0) | Module Definition 0. Grounded within the module. | 3 |
| 7 | Rate Select | No connection required | 4 |
| 8 | LOS | Loss of Signal indication. Logic 0 indicates normal operation. | 5 |
| 9 | VEER | Receiver Ground (Common with Transmitter Ground) | 1 |
| 10 | VEER | Receiver Ground (Common with Transmitter Ground) | 1 |
| 11 | VEER | Receiver Ground (Common with Transmitter Ground) | 1 |
| 12 | RD- | Receiver Inverted DATA out. AC Coupled | |
| 13 | RD+ | Receiver Non-inverted DATA out. AC Coupled | |
| 14 | VEER | Receiver Ground (Common with Transmitter Ground) | 1 |
| 15 | VCCR | Receiver Power Supply | |
| 16 | VCCT | Transmitter Power Supply | |
| 17 | VEET | Transmitter Ground (Common with Receiver Ground) | 1 |
| 18 | TD+ | Transmitter Non-Inverted DATA in. AC Coupled. | |
| 19 | TD- | Transmitter Inverted DATA in. AC Coupled. | |
| 20 | VEET | Transmitter Ground (Common with Receiver Ground) | 1 |
Notes:
1. Circuit ground is internally isolated from chassis ground.
2. Laser output disabled on TDIS >2.0V or open, enabled on TDIS <0.8V.
3. Should be pulled up with 4.7k - 10kohms on host board to a voltage between 2.0V and 3.6V.MOD_DEF (0) pulls line low to indicate module is plugged in.
4. This is an optional input used to control the receiver bandwidth for compatibility with multiple data rates (most likely Fiber Channel 1x and 2x Rates).If implemented, the input will be internally pulled down with > 30kΩ resistor. The input states are:
Ÿ Low (0 – 0.8V): Reduced Bandwidth
Ÿ (>0.8, < 2.0V): Undefined
Ÿ High (2.0 – 3.465V): Full Bandwidth
Ÿ Open: Reduced Bandwidth
5. LOS is open collector output should be pulled up with 4.7k - 10kohms on host board to a voltage between 2.0V and 3.6V. Logic 0 indicates normal operation; logic 1 indicates loss of signal.
Quality Certification
NO.4007,Peanut U Gu Creative Park , No.57 GuangDa Rd,LongGang Zone, Shenzhen city, China.
Copyright @ 2025 Shenzhen Sinda Optic Technology Co.,ltd All Rights Reserved.
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