Syrotech-SFP-Transreceiver Module-GOXS-BI5312-20D-Dual Rate-1.25 gbps -1550nm -DDM-MSA-20Km Range

These transceivers provide high-performance, cost-effective data rates of 1.25 Gbps/1.0625 Gbps and 20 km transmission distance with SMF. Three sections make up the transceiver: a DFB laser transmitter, a PIN photodiode coupled to a trans-impedance amplifier (TIA), and an MCU controller. Modules comply with class I laser safety standards. They comply with the SFP Multi-Source Agreement (MSA) as well as the SFF-8472 standard.

KEY FEATURES

➛ 1.25Gbps/1.063Gbps dual-rate operation  

➛ A 1550nm DFB laser and a PIN photodetector allow you to transmit for 20km 

➛SFP MSA and SFF-8472 compatible with single LC plug 

➛ Digital Diagnostic Monitoring: Internal or External Calibration 

➛ Compatible with SONET OC-24-LR-1 & RoHS

➛ +3.3V single power supply  

➛ Operating case temperature: Standard : 0 to +70 degrees 

Applications

▸ Gigabit Ethernet  

▸ Fiber Channel

▸ Switch to Switch interface  

▸ Switched backplane applications 

▸ Router/Server interface  

▸ Other optical transmission systems 

TRANSMITTER TABLE

RECEIVER TABLE:-

UTILIZE FOR:

SYROTECH GOXS-BI5312-20D SFPs are used to provide a high-speed 1.25Gbps/1.063Gbps over a single wavelength on a standard single-mode fiber with a transmission distance of up to 20 KM. For optical connectivity, it features a duplex LC receptacle that is compliant with SFP MSA and SFF-8472. With Digital Diagnostic Monitoring (DDM) function, it allows easy monitoring of the optical link. This SFP is ideal for high-speed Ethernet and Fiber Channel applications in data centers and enterprise networks. Based on the market,syrotech SFPs are cost-effective and offer good compatibility with leading networking equipment.

Digital Diagnostic Memory Map

• A two-wire serial interface provides information about the present operating conditions and serial ID memory contents (SCL, SDA). 
• There are diagnostics with internal calibration or external calibration, including signals for received power, transmitted power, bias current, supply voltage, and temperature.
• Data fields specific to the digital diagnostic memory map are defined as follows.

Pin Description

Notes: 

Plug Seq.: Pin engagement sequence during hot plugging. 

1) A TX fault is an open collector output on the host board. It should be pulled up to a voltage between 2.0V and Vcc+0.3V. Logic 0 indicates normal operation; logic 1 indicates a laser fault. When the output is low, it is pulled to less than 0.8 volts. 

2) TX Disable allows you to disable the transmitter's optical output. This resistor is pulled up in the module by the 4.7k~10kΩ resistor. Typically, the sensor's states are: Low (0 to 0.8V): Transmitter on (>0.8V,-2.0V): Undefined High (2.0 to 3.465V): Transmitter Disabled Open: Transmitter Disabled

 3) Mod-Def 0,1,2 (module definition pins): 

Pull them up using a 4.7k~10kΩ resistor on the host board. It should be VccT or VccR for pull-up voltage. For serial ID, Mod-Def 0 is grounded by the module to indicate its presence; Mod-Def 1 is the clock line; Mod-Def 2 is the data line. 

4) LOS output is an open collector output that should be pulled up with a 4.7k~10kΩ resistor. Voltage should be pulled up between 2.0V and Vcc+0.3V. Loss of signal is indicated by logic 1; normal operation is indicated by logic 0. When the output is low, it will be pulled below 0.8V. 

5) RD-/+( Differential receiver outputs):- These outputs are 100 differential lines internally coupled to AC. They should be terminated with 100Ω (differential) at the user SERDES.

 6) TD-/+ ( Differential transmitter inputs):- The differential lines are internally AC-coupled and terminated with a 100Ω differential termination inside the module.

Circuit recommendation for interfaces

Mechanical Dimensions 

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