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| Categories | Optical Transceiver Module |
|---|---|
| Brand Name: | TAKFLY |
| Model Number: | TK-Bxx92-3LCD20 |
| Certification: | CE,ROHS,REACH,ISO9001,ISO14001 |
| Place of Origin: | Guangdong, SHENZHEN |
| MOQ: | 1 Pices |
| Price: | US$0.01 ~ US$1200/PC |
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Delivery Time: | 3-7working days |
| Ratio: | 50/50 |
| Center Wavelength: | 1450nm |
| Insertion Loss: | ≤0.3dB |
| Package Weight: | 10g |
| Package Type: | Bare Fiber, 900um Loose Tube, 2mm Cable |
| Wavelegth: | 1310nm |
| Axis Alignment: | Slow axis or Fast axis |
| Wavelength Range: | 1310nm, 1550nm |
| Application: | Optical Communication Systems |
| Splitter Ratio: | 98/2 |
| Storage Temperature: | -40~+85℃ |
| Port Number: | 1x2 |
| Fiber Length: | 1m |
| Fiber: | PM Corning 980nm fiber |
| Power Handling Capacity: | High Power |
| Company Info. |
| TAKFLY COMMUNICATIONS CO., LTD. |
| Verified Supplier |
| View Contact Details |
| Product List |
Features
Maximum link length of 20KM with SMF
1270/ 1330nm DFB laser Transmitter and 1330/ 1270nm Receiver
XFP MSA package with LC connector
No reference clock required
Loop Back Support.
+3.3V ,+1.8V power supply
Power dissipation <2W
Compatible with RoHS
Built-in digital diagnostic functions
Temperature range 0°C to 70°C
Applications
Absolute Maximum Ratings
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Note |
| Storage Temperature | Ts | -40 | - | 85 | ºC | |
| Storage Ambient Humidity | HA | 5 | - | 95 | % | |
| Operating Relative Humidity | RH | - | - | 85 | % | |
| Power Supply Voltage | VCC | -0.3 | - | 4 | V | |
| Signal Input Voltage | VCC | Vcc-0.3 | - | Vcc+0.3 | V |
Recommended Operating Conditions
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Note |
| Ambient Operating Temperature | TA | 0 | - | 70 | ºC | Without air flow |
| Power Supply Voltage | VCC | 3.14 | 3.3 | 3.47 | V | |
| Power Supply Current | ICC | - | - | 450 | mA | |
| Data Rate | BR | 10.3125 | Gbps | |||
| Transmission Distance | TD | 2 | - | 20 | km | Note (1) |
| Coupled fiber | Single mode fiber | ITU-T G.652 | ||||
Specification of Transmitter
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Note |
| Average Launched Power | PO | -2 | - | 2 | dBm | |
| Average Launched Power(Laser Off) | POUT-OF F | - | - | -30 | dBm | Note (1) |
| Optical Modulation Amplitude | OMA | -3 | - | - | dBm | Note (1) |
| Center Wavelength Range | λC | 1270/1330 | nm | |||
| Side mode suppression ratio | SMSR | 30 | - | - | dB | |
| Spectrum Bandwidth(-20dB) | σ | - | - | 1 | nm | |
| Extinction Ratio | ER | 3.5 | 6 | - | dB | Note (2) |
| Output Eye Mask | Compliant with FC_PI_4 REV 7.0 | Note (2) | ||||
1) The optical power is launched into SMF
2) Measured with RPBS 2^31-1 test pattern @10.3125Gbs
Specification of Receiver
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Note |
| Input Optical Wavelength | λIN | 1330/1270 | nm | |||
| Receiver Sensitivity in average | PIN | - | - | -14.4 | dBm | Note (1) |
| Input Saturation Power (Overload) | PSAT | 0.5 | - | - | dBm | Note (1) |
| LOS Assert | PA | -30 | - | - | dBm | |
| LOS De-Assert | PD | - | - | -15 | dBm | |
| LOS -Hysteresis | PHys | 0.5 | - | 4 | dB |
1) Measured with RPBS 2^31-1 test pattern @10.3125Gbs BER=<10^-12 ER=6DB
Electrical Interface Characteristics
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Note |
| Total power supply current | Icc | - | - | 350 | mA | |
| Transmitter | ||||||
| Differential Data Input Voltage | VDT | 120 | - | 820 | mVp-p | |
| Differential line input Impedance | RIN | 85 | 100 | 115 | Ohm | |
| Transmitter Fault Output-High | VFaultH | 2.4 | - | Vcc | V | |
| Transmitter Fault Output-Low | VFaultL | -0.3 | - | 0.8 | V | |
| Transmitter Disable Voltage- High | VDisH | 2 | - | Vcc+0.3 | V | |
| Transmitter Disable Voltage- low | VDisL | -0.3 | - | 0.8 | V | |
| Receiver | ||||||
| Differential Data Output Voltage | VDR | 300 | - | 850 | mVp-p | |
| Differential line Output Impedance | ROUT | 80 | 100 | 120 | Ohm | |
| Receiver LOS Pull up Resistor | RLOS | 4.7 | - | 10 | KOhm | |
| Data Output Rise/Fall time | tr/tf | 20 | - | - | ps | |
| LOS Output Voltage-High | VLOSH | 2 | - | Vcc | V | |
| LOS Output Voltage-Low | VLOSL | -0.3 | - | 0.4 | V | |
Pin Description
Pin | Logic | Symbol | Name/Description | Note |
| 1 | GND | Module Ground | 1 | |
| 2 | VEE5 | Optional –5.2 Power Supply – Not required | ||
| 3 | LVTTL-I | Mod-Desel | Module De-select; When held low allows the module to respond to 2-wire serial interface commands | |
| 4 | LVTTL-O | Interrupt | Interrupt (bar); Indicates presence of an important condition which can be read over the serial 2-wire interface | 2 |
| 5 | LVTTL-I | TX_DIS | Transmitter Disable; Transmitter laser source turned off | |
| 6 | VCC5 | +5 Power Supply | ||
| 7 | GND | Module Ground | 1 | |
| 8 | VCC3 | +3.3V Power Supply | ||
| 9 | VCC3 | +3.3V Power Supply | ||
| 10 | LVTTL-I | SCL | Serial 2-wire interface clock | 2 |
| 11 | LVTTLI/O | SDA | Serial 2-wire interface data line | 2 |
| 12 | LVTTL-O | Mod_Abs | Module Absent; Indicates module is not present. Grounded in the module. | 2 |
| 13 | LVTTL-O | Mod_NR | Module Not Ready; XGIGA defines it as a logical OR between RX_LOS and Loss of Lock in TX/RX. | 2 |
| 14 | LVTTL-O | RX_LOS | Receiver Loss of Signal indicator | 2 |
| 15 | GND | Module Ground | 1 | |
| 16 | GND | Module Ground | 1 | |
| 17 | CML-O | RD- | Receiver inverted data output | |
| 18 | CML-O | RD+ | Receiver non-inverted data output | |
| 19 | GND | Module Ground | 1 | |
| 20 | VCC2 | +1.8V Power Supply – Not required | ||
21 | LVTTL-I | P_Down/RST | Power Down; When high, places the module in the low power stand-by mode and on the falling edge of P_Down initiates a module reset | |
| Reset; The falling edge initiates a complete reset of the module including the 2-wire serial interface, equivalent to a power cycle. | ||||
| 22 | VCC2 | +1.8V Power Supply – Not required | ||
| 23 | GND | Module Ground | 1 | |
| 24 | PECL-I | RefCLK+ | Reference Clock non-inverted input, AC coupled on the host board – Not required | 3 |
| 25 | PECL-I | RefCLK- | Reference Clock inverted input, AC coupled on the host board – Not required | 3 |
| 26 | GND | Module Ground | 1 | |
| 27 | GND | Module Ground | 1 | |
| 28 | CML-I | TD- | Transmitter inverted data input | |
| 29 | CML-I | TD+ | Transmitter non-inverted data input | |
| 30 | GND | Module Ground | 1 |
Notes:
1) Module circuit ground is isolated from module chassis ground within the module.
2) Open collector; should be pulled up with 4.7k – 10kohms on host board to a voltage between 3. 15V and 3.6V.
3) A Reference Clock input is not required by the XFP-10GER. If present, it will be ignored.
Recommended Block Circuit
Outline Dimensions
Regulatory Compliance
| Feature | Reference | Performance |
| Electrostatic discharge (ESD) | IEC/EN 61000-4-2 | Compatible with standards |
| Electromagnetic Interference (EMI) | FCC Part 15 Class B EN 55022 Class B (CISPR 22A) | Compatible with standards |
| Laser Eye Safety | FDA 21CFR 1040.10, 1040.11 IEC/EN 60825-1, 2 | Class 1 laser product |
| Component Recognition | IEC/EN 60950, UL | Compatible with standards |
| ROHS | 2002/95/EC | Compatible with standards |
| EMC | EN61000-3 | Compatible with standards |
Digital Diagnostic Functions
TAKFLY TK-B3524-3LCD2 transceivers support the 2-wire serial communication protocol as defined in the SFP MSA. It is very closely related to the E2PROM defined in the GBIC standard, with the same electrical specifications.
The standard SFP serial ID provides access to identification information that describes the transceiver’s capabilities, standard interfaces, manufacturer, and other information.
Additionally, TAKFLY SFP transceivers provide a unique enhanced digital diagnostic monitoring interface, which allows real-time access to device operating parameters such as transceiver temperature, laser bias current, transmitted optical power, received optical power and transceiver supply voltage. It also defines a sophisticated system of alarm and warning flags, which alerts end-users when particular operating parameters are outside of a factory set normal range.
The SFP MSA defines a 256-byte memory map in E2PROM that is accessible over a 2-wire serial interface at the 8bit address 1010000X (A0h). The digital diagnostic monitoring interface makes use of the 8 bit address 1010001X (A2h), so the originally defined serial ID memory map remains unchanged. The interface is identical to, and is thus fully backward compatible with both the GBIC Specification and the SFP Multi Source Agreement.
The operating and diagnostics information is monitored and reported by a Digital Diagnostics Transceiver Controller (DDTC) inside the transceiver, which is accessed through a 2-wire serial interface. When the serial protocol is activated, the serial clock signal (SCL, Mod Def 1) is generated by the host. The positive edge clocks data into the SFP transceiver into those segments of the E2PROM that are not write-protected. The negative edge clocks data from the SFP transceiver. The serial data signal (SDA, Mod Def 2) is bi-directional for serial data transfer.
The host uses SDA in conjunction with SCL to mark the start and end of serial protocol activation. The memories are organized as a series of 8-bit data words that can be addressed individually or sequentially.Digital diagnostics for the TK-B3524-3LCD2 are Internally calibrated by default.
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