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GAO-SFPPDW-102
GAO-SFPPDW-102

GAOTek SFP+ DWDM Transceiver with 10 Gb/s (80km)

USD

Overview:

This 10 Gigabit SFP+ DWDM Transceiver is used with single mode optical fiber and with or without CDR (Clock data recovery) to reach up to 49.72 miles (80km) transmission distance. This Dense Wavelength Division Multiplexing enhanced small form-factor pluggable (SFP+ DWDM) transceiver has a DWDM EML type transmitter, an APD type receiver and a Preamplifier in a high-integrated optical sub-assembly .It provides a unique enhanced digital diagnostic monitoring interface. It complies with SFF-8472, SFF-8431 and RoHS standards.

Key Features:

  • DWDM EML transmitter and APD receiver.
  • Up to 49.72 miles (80km) transmission distance.
  • Single +3.3V power supply
  • Compliant with SFP+ MSA with LC connector
  • Metal enclosure, for lower EMI
  • management specifications compliant with SFF 8472
  • Hot-pluggable SFP+ footprint
  • Commercial Case operating temperature range from 32°F to 158°F (0°C to +70°C)
  • Industrial Case operating temperature range from -40 °F to 185 °F (-40°C to +85°C)
  • Without CDR or with CDR supported 9.95 to 11.3Gb/s reference-free
  • Low power dissipation:1.6W power dissipation without CDR for Industrial temperature1.7W power dissipation with CDR for Industrial temperature
  • 1.5W power dissipation with CDR for Commercial temperature
  • 1.4W power dissipation without CDR for Commercial temperature

Technical Specifications:

Protocol 2-Wire Serial communication Protocol
Working Range Up to 49.72 miles (80km)
Memory 256-byte memory map in EEPROM
Standards SFP+ SFF-8431 and SFF-8472

RoHS compliant

Data rate 10Gb/s
Wavelength 1528.77 ~ 1563.86nm
Fiber Optic Cable 9/125um
Transmitter DWDM EML
Receiver APD
Connector LC
Transmitter output optical Power -1 dBm to +4 dBm
Receiver Sensitivity -23 dBm
Receiver Input Saturation Power -6 dBm
Supply Voltage 3.3V
Transmitter Input Differential Impedance 100Ω
Dimensions 2.3in x 0.54in x 0.49in (L 58.4mm x W13.7mm x   H 12.6mm)
Relative Humidity 5% to 95%
Storage Temperature -40 °F to 185 °F (-40°C to 85°C)
 

Case Operating Temperature

Commercial 32°F to 158°F (0°C to +70°C)

 

Industrial -40 °F to 185 °F (-40°C to +85°C)

 

Additional Information:

Applications

Ideal to be used on applications such as

  • SDH STM64
  • 10GBASE-ZR/ZW

Ordering Information:

Product ID Media Wavelength Transmission Distance Temperature Range With/Without CDR Supply Current
GAO-SFPPDW-102 Single-mode fiber Refer to Wavelength selection 49.72miles (80km) Commercial

32°F to 158°F (0°C to +70°C)

Without CDR 430mA
  GAO-SFPPDW-102A Single-mode fiber Refer to Wavelength selection 49.72miles (80km) Industrial

-40 °F to 185 °F (-40°C to +85°C)

 

Without CDR 490mA
GAO-SFPPDW-102B Single mode fiber Refer to Wavelength selection 49.72miles (80km) Commercial

32°F to 158°F (0°C to +70°C)

With CDR 460mA
GAO-SFPPDW-102C Single-mode fiber Refer to Wavelength selection 49.72miles (80km) Industrial

-40 °F to 185 °F (-40°C to +85°C)

 

With CDR 520mA

Wavelength Selection:

C-band λc Wavelength Guide Pin Descriptions

Channel Wavelength(nm) Frequency(THZ) Channel Wavelength(nm) Frequency(THZ)
 C17 1563.86 191.70  C39 1546.12 193.90
C18 1563.05 191.80 C40 1545.32 194.00
C19 1562.23 191.90 C41 1544.53 194.10
C20 1561.42 192.00 C42 1543.73 194.20
C21 1560.61 192.10 C43 1542.94 194.30
C22 1559.79 192.20 C44 1542.14 194.40
C23 1558.98 192.30 C45 1541.35 194.50
C24 1558.17 192.40 C46 1540.56 194.60
C25 1557.36 192.50 C47 1539.77 194.70
C26 1556.55 192.60 C48 1538.98 194.80
C27 1555.75 192.70 C49 1538.19 194.90
C28 1554.94 192.80 C50 1537.40 195.00
C29 1554.13 192.90 C51 1536.61 195.10
C30 1553.33 193.00 C52 1535.82 195.20
C31 1552.52 193.10 C53 1535.04 195.30
C32 1551.72 193.20 C54 1534.25 195.40
C33 1550.92 193.30 C55 1533.47 195.50
C34 1550.12 193.40 C56 1532.68 195.60
C35 1549.32 193.50 C57 1531.90 195.70
C36 1548.51 193.60 C58 1531.12 195.80
C37 1547.72 193.70 C59 1530.33 195.90
C38 1546.92 193.80 C60 1529.55 196.00
Non-ITU Peak wavelength between 1528.77nm-1563.86 C61 1528.77 196.10

Test pattern:

  • Measured with conformance test signal for PRBS 231 -1 and BER<10-12 with data rate 10.3125Gb/s, Optical source with worst ER, Wavelength between 77nm and 1563.86nm:

PRBS31 test pattern represents a pseudorandom binary sequence with a repetition period of 231 -1. The sequence is defined in IEEE STD 802.3.ae

BER<10-12   test represents bit error rate testing provides a measurable and useful indication of the performance of the system.

Optical source with worst ER (extended Reach)

NRZ – non-return-to-zero

  • Receiver Sensitivity is measured using operation temperature range, without air flow
  • 20 – 80 % Measured with Module Compliance Test Board and OMA test pattern.

Digital Diagnostics Functions:

  • GAOTek GAO-SFPPDW-102 series transceivers support the 2-wire serial communication protocol as defined in the SFP MSA1.
  • Additionally, GAOTek SFP+ Transceivers provide a unique enhanced digital diagnostic monitoring interface which allows real-time access to device operating parameters such as transmitter optical power, receiver optical power, transceiver temperature, transceiver supply voltage and laser bias current. It defines an alarm system and warning flags, which alerts the end users when particular operating parameters are outside of a factory set normal range.
  • Standard SFP+ Serial id provides access to identification information that describes the transceiver’s capabilities, standard interfaces, manufacturer and other information.
  • SFP+ MSA defines a 256-byte memory map in EEPROM that is accessible over a 2 wire serial interface at the 8 bit address 1010000X (A0h).
  • 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. The memories are organized as a series of 8-bit data words that can be addressed individually or sequentially

Electrical characteristics:

Parameter Symbol Min Type Max Unit Note
Transmitter            
Input Differential Impedance Rin 100
Single ended data input swing Vin, pp 180 700 mV
Transmit Disable Voltage VD 2.0 Vcc V
Transmit Enable Voltage VEN Vee Vee+ 0.8 V
Transmit Disable Assert Time 10 us
Receiver            
Differential data output swing Vout,pp 400 800 mV
Data output rise time tr 28 ps
Data output fall time tf 28 ps
LOS Fault VLOS fault 2.0 VccHOST V 1
LOS Normal VLOS norm Vee Vee+0.8 V 1
Power Supply Rejection PSR 100 mVpp 2

Notes:

  1. Loss of Signal is LVTTL. Logic 0 indicates normal operation; logic 1 indicates no signal detected.
  2. Receiver sensitivity is compliant with power supply sinusoidal modulation of 20 Hz to 1.5 MHz up to specified value applied through the recommended power supply filtering network.

Optical Characteristics:

Parameter Symbol Min Type Max Unit Notes
Transmitter            
Average Launched Power PO -1 +4 dBm 1
Center Wavelength λc λc -0.1 λc +0.1 nm 2
Center Wavelength Spacing 100 GHz 2
Optical Extinction Ratio ER 8.2 dB
Spectrum Band Width (-20dB) σ 1 nm
Transmitter and Dispersion Penalty TDP 3 dB
Output Eye Mask IEEE 802.3ae requirements
Side-mode Supression ratio SMSR 30 dB
Transmitter OFF Output Power POff -30 dBm
Receiver            
Receiver Sensitivity RSENS -23.0 dBm
Wavelength Range λC 1270 1610 nm
Input Saturation Power (Overload) Psat -6.0 dBm
Receiver Reflectance Rrx -27 dB
LOS Assert LOSA -35 dBm
LOS De -Assert LOSD -26 dBm
LOS Detect Hysteresis 0.5 dB

Notes:

  1. Launched power (avg.) is power coupled into a single mode fiber with master connector. (Before of Life).
  2. λc refer to wavelength selection and corresponds to approximately 0.8 nm.

PIN out Diagram:

PIN Descriptions:

Pin Symbol Name/Description Note
1 VEET Transmitter Ground (Common with Receiver Ground) 1
2 TFault Transmitter Fault 2
3 TDis Transmitter Disable. 3
4 SDA 2-wire Serial Interface Data Line 4
5 SCL 2-wire Serial Interface Clock Line 4
6 MOD_ABS Module Absent. Grounded within the module 5
7 RS0 No connection
8 LOS Loss of Signal indication. Logic 0 indicates normal operation 6
9 RS1 Internally connect to circuit ground
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 1

Notes:

  1. Circuit ground is internally isolated from ground.
  2. TFault is an LVTTL output.
    • High output indicates a transmitter fault caused by either the TX bias current or the TX output power or the laser temperature exceeding the preset alarm thresholds.
    • Low output indicates normal operation. In the low state, output is pulled to <0.8V
  3. Laser output disabled when it is open or TDis > 2.0V, enabled on TDis < 0.8V.
  4. Should be pulled up with 4.7kΩ to 10kΩ on host board to a typical voltage 3.3V.
  5. MOD_ABS pulls the line low to indicate the module is plugged in.
  6. Loss of signal is open collector output.
  • It should be pulled up with 4.7 kΩ to 10 kΩ on host board to a typical 3.3V voltage
  • Logic 0 indicates normal operation.
  • Logic 1 indicates loss of signal.

Mechanical Specifications:

Improved Pluggable form factor specification Comply to SFF-8432

HOST-Transceiver Interface Block Diagram:

Regulatory Compliance:

Feature Reference Performance
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
Electrostatic discharge(ESD) IEC/EN 61000-4-2 Compatible with standards
EMC EN61000-3 Compatible with standards
Electromagnetic Interference(EMI) FCC Part 15 Class B EN 55022 Class B (CISPR 22A) Compatible with standards

 

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