Guangdong, China
Business Type:
Manufacturer/Factory, Trading Company
Registered Capital:
500000 RMB
Plant Area:
101~500 square meters
Management System Certification:
ISO 9001, ISO 9000, ISO 14000, ISO 14064, QC 080000
Average Lead Time:
Peak season lead time: 6-12 months
Off season lead time: 1-3 months
OEM/ODM Service
Sample Available

Optical Transceiver, Fiber Optic, Module manufacturer / supplier in China, offering Giga SFP 1310nm SMF 20km LC Compalint with Cisco Switch (PHY-8524-1LS), DVI to Fiber Converter with Keyboard and Mouse USB Extender and HDMI Extender (2240), 4+2 Port Full Gigabit Poe Switch One Key Vlan Support and so on.

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Supplier Homepage Products Optical Transceiver Giga SFP 1310nm SMF 20km LC Compalint with Cisco Switch (PHY-8524-1LS)

Giga SFP 1310nm SMF 20km LC Compalint with Cisco Switch (PHY-8524-1LS)

Get Latest Price
Purchase Qty. / Reference FOB Price
10-49 Pieces US $12.5
50-99 Pieces US $12
100+ Pieces US $11
Port: Guangzhou, China
Production Capacity: 500PCS Per Week
Payment Terms: L/C, T/T, D/P, Western Union, Paypal
Type: Fiber Transceiver
Wiring Devices: Fiber Switch,Router,Network Cark,SDH,Server
Certification: CE, ISO, RoHS
Condition: New
Rate: 1.25gbps
Interface: LC

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Basic Info

Model NO.: PHY-8524-1LS
Transmission Distance: 20km,40km,80km
Trademark: PHYNAM
Transport Package: Unit Package Size: 238*192*87mm, 10PCS/CTN
Specification: CE/EMC, CE/LVD, FCC Certification
Origin: Guangdong China
HS Code: 8471802000

Product Description


Up to 1.25 Gbps bi-directional data links
Hot-pluggable SFP footprint
850nm Oxide VCSEL laser transmitter
Duplex LC connector                                       
RoHS Compliant and Lead-Free
Up to 500m on 50/125μm MMF,300m on 62.5/125μm MMF
Metal enclosure, for lower EMI
Single power supply 3.3V
Low power dissipation
Commercial operating temperature range: 0°C to 70°C
1.25 Gbps 1000Base-SX Ethernet
Dual Rate 1.063 Gbps Fibre Channel
Giga SFP 1310nm SMF 20km LC Compalint with Cisco Switch (PHY-8524-1LS) 
The PHY-8524-1LS Small Form Factor Pluggable (SFP) transceivers are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA). They are simultaneously compatible with Gigabit Ethernet as specified in IEEE Std 802.3 and Fibre Channel FC- PI-2 Rev. 7.0. They are RoHS compliant and lead-free per Directive 2002/95/EC
I. Pin Descriptions
Giga SFP 1310nm SMF 20km LC Compalint with Cisco Switch (PHY-8524-1LS)
Pin Symbol Name/Description Ref.
1 VEET Transmitter Ground (Common with Receiver Ground) 1
2 TFAULT Transmitter Fault. Not supported.  
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  
8 LOS Loss of Signal indication. Logic 0 indicates normal operation. 4
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. 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. 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.
II. Absolute Maximum Ratings
Maximum Supply VoltageVcc-0.5 4.0V 
Storage TemperatureTS-40 85°C 
Case Operating TemperatureTA0 70°C 
Relative HumidityRH0 85%1
1. Non condensing.
III. Electrical Characteristics (TA = 0 to 70 °C, VCC = 3.0 to 3.6 Volts)
Supply VoltageVcc3.0 3.6V 
Supply CurrentIcc 150240mA 
Input differential impedanceRin 100 Ω2
Single ended data input swingVin,pp250 1200mV3
Transmit Disable VoltageVD2 VccV4
Transmit Enable VoltageVENVee Vee+ 0.8V 
Single ended data output swingVout,pp250450550mV5
Data output rise timetr  175ps6
Data output fall timetf  175ps6
Mask Margin  45%   
LOS FaultVLOS fault2 VccHOSTV7
LOS NormalVLOS normVee Vee+0.5V7
Power Supply RejectionPSR100  mVpp8
Deterministic Jitter ContributionRX Δ DJ  51.7ps9
Total Jitter ContributionRX Δ TJ <65122.4ps10
2. Connected directly to TX data input pins. AC coupling from pins into laser driver IC.
3. We recommend <600mV for best EMI performance.
4. Or open circuit.
5. Into 100 ohms differential termination.
6. 20 - 80 %
7. LOS is an open collector output. Should be pulled up with 4.7k - 10k ohms on the host board. Normal operation is logic 0; loss of signal is logic 1. Maximum pull-up voltage is 5.5V.
8. 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.
9. Typical peak-to-peak jitter (=6*RMS width of Jitter).
10. Measured with DJ-free data input signal. In actual application, output DJ will be the sum of input DJ and Δ DJ.
IV. Optical Characteristics (TOP = 0 to 70 °C, VCC = 3. 00 to 3.60 Volts)
ParameterSymbol Min Typ Max Unit Ref
Output Opt. Pwr: 50 or 62.5 MMF POUT-9 -3dBm1
Optical Wavelength λ 830  860 nm  
Spectral Width σ   0.85 nm  
Optical Modulation Amplitude @ 1.0625 Gbps OMA156  μW2
Optical Rise/Fall Time tr/ tf 100 150 ps 3
Relative Intensity Noise RIN   -120 dB/Hz  
Deterministic Jitter Contribution TX Δ DJ 2056.5ps4
Total Jitter Contribution TX Δ TJ  <65 119 ps 5
Extinction Ratio @ 1.25 GbpsER 9   dB  
Mask Margin   45%   
Receiver Sensitivity = 1.0625 Gbps RxSENS  -20dBm6
Receiver Sensitivity = 1.25 Gbps RxSENS  -20dBm7
Stressed RX sens. =1.0625 Gbps  0.055  mW8
Stressed RX sens. =1.25 Gbps    -13.5 dBm 9
Average Receiver Power RxMAX   0 dBm  
Receiver Elec. 3 dB cutoff freq.    1500MHz 
Optical Center Wavelength λC 770  860 nm  
Optical Return Loss  12   dB  
LOS De-Assert LOSD   -20 dBm  
LOS Assert LOSA -30   dBm  
LOS Hysteresis  0.5   dB  
1. Class 1 Laser Safety per FDA/CDRH, IEC, and EN60825-1 laser safety standards.
2. Equivalent extinction ratio specification for Fibre Channel. Allows smaller ER at higher average power.
3. Unfiltered, 20-80%. Complies with FC 1x and 2x eye mask when filtered.
4. Measured with DJ-free data input signal. In actual application, output DJ will be the sum of input DJ and Δ DJ.
5. If measured with TJ-free data input signal. In actual application, output TJ will be given by:
6. Specifications are for 50 micro-meter or 62.5 micro-meter fiber
7. As measured with 9dB extinction ratio.
8. Measured with conformance signals defined in FC-PI-2 Rev. 7.0 specifications.
9. Measured with conformance signals defined in IEEE 802.3 specifications.
V. General Specifications
Data RateBR 1.062 Gbps1
Bit Error RateBER  10-12  
Fiber Length on 50/125μm MMFL  550
Fiber Length on 62.5/125μm MMFL  300
1. Gigabit Ethernet and 1x, Fibre Channel compatible, per IEEE 802.3 and FC-PI-2 Rev. 7.0
2. At 1.0625 Gb/s Fibre Channel and 1.25 Gb/s Gigabit Ethernet data rates.
VI. Environmental Specifications
PHY-8524-1LS 850nm SFP transceivers have a commercial operating temperature range from 0°C to +70°C case temperature.
Case Operating TemperatureTop0 70°C 
Storage TemperatureTsto-40 85°C 
1.What is the warranty on the parts you sell?
All parts sold by YINET meet all of the manufactures specifications and carry one year warranty. Some customized products could carry up to three years warranty.
2.How to repair a broken product?such as POE switch,wireless router and Ethernet switch products
Usually we supply free substitute model for the small value products. and we bear the freight. For Big-ticket items or high value products,Considering the high freight and cost we can supply free parts such as PCBA,power adapter or power supply etc. We can also provide remote guidance.
3.What payment methods do you offer?
We accept payment via T/T, L/C,Western Union, MoneyGram and PayPal;
4. What is your minimum order?
To achieve customers' satisfaction, we accept sample order, even one Piece.

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