Generic Compatible 100BASE-FX SFP 850nm 2km DOM Duplex LC MMF Optical Transceiver Module

SFP-0155-85-2-LCD

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SPECIFICATIONS
Product ModelSFP-0155-85-2-LCDManufacturer BrandPHILISUN
Package TypeSFPOptical ConnectorDuplex LC
Max Data Rate≤ 155MbpsChannel Data Rate-
Effective Transmission Distance2KM
Wavelength850nmOperating Voltage3.3V
Fiber TypeMMFCore Size50/125
Transmitter TypeVCSELReceiver TypeIDP
TX Power-9.5~-4dbmReceiver Sensitivity-18dBm
Digital Diagnostic Monitoring(DDM)YESReceiver Overload-3dBm
Power Consumption<1WProtocolsSFP MSA SFF-8472
Operating temperature(Commercial)0℃~+70℃Storage Temperature(Commercial)-40℃~+85℃
Operating temperature(Industrial)-40℃~+85℃Storage Temperature(Industrial)-40℃~+85℃

 

PRODUCT PRESENTATION
The PHILISUN SFP 155M 850nm LC DX Transceiver series is a compact, small form-factor pluggable module designed for duplex optical data communication, particularly suited for Fast Ethernet applications. Featuring a 20-pin SFP connector, it supports hot-plug functionality for easy installation and maintenance. Optimized for multi-mode fiber, this transceiver operates at a standard wavelength of 850nm. The transmitter section incorporates a high-performance multiple quantum well VCSEL laser, compliant with Class 1 laser safety standards under IEC 60825. On the receiver side, the module utilizes an advanced optical detection system, including an integrated GaAs detector preamplifier (IDP) mounted in an optical header and a precision limiting post-amplifier IC, ensuring reliable signal reception and processing. The SFP 155M 850nm 2km LC DX Transceiver series is fully compliant with the SFF-8472 SFP Multi-Source Agreement (MSA), guaranteeing industry-standard compatibility and interoperability for seamless integration into network systems.

 

TRANSCEIVER SERIES PRODUCTS

 

PRODUCTION & TESTING EQUIPMENT

 

PERFORMANCE PARAMETER
Absolute Maximum Ratings
Parameter Symbol Min. Max. Unit
Storage temperature TS -4.0 +85 ℃
Supply voltage VCC -0.5 3.6 V
Operating relative humidity – – 95 %
Exceeding any one of these values may destroy the device immediately

 

Recommended Operating Environment
Parameter Symbol Min Typical Max Unit
Operating case temperature Tc SFP-0155-85-2-LCD 0 – +70 °C
-40 – +85
Power supply voltage Vcc 3.15 3.3 3.45 V
Power supply current Icc – – 300 mA
Date rate FE – – 125 – Mbps

 

Performance Specifications – Electrical
Parameter Symbol Min. Typ. Max. Unit Notes
Transmitter
LVPECL inputs(Differential) Vin 400 – 2000 mVpp AC coupled inputs
Input impedance (Differential) Zin 85 100 115 ohm Rin > 100  kohm @ DC
TX_disable Disable – 2 – Vcc+0.3 V –
Enable – 0 – 0.8 –
TX_FAULT Fault – 2 – Vcc+0.3 V –
Normal – 0 – 0.5 –
Receiver
LVPECL outputs (Differential) Vout 400 – 2000 mVpp AC coupled output
Output impedance (Differential) Zout 85 100 115 ohms –
RX_LOS LOS – 2 – Vcc+0.3 V –
Normal – 0 – 0.8 V –
MOD_DEF ( 0:2 ) VoH 2.5 – – V With serial ID
VoL 0 – 0.5 V

 

Optical and Electrical Characteristics
Parameter Symbol Min. Typical Max. Unit
50µm core diameter MMF L – 2 – km
Data rate – – 125 – Mbps
Transmitter
Center wavelength λC 830 850 860 nm
Spectral width (RMS) Δλ – – 0.85 nm
Average output power Pout -9.5 – -4 dBm
Extinction ratio ER 8.2 – – dB
Rise/Fall time(20%～80%) tr/tf – – 3 ps
Total jitter TJ – – 1 UI
Output optical eye IEEE 802.3 compliant
TX disable assert time t_off – – 10 us
Receiver
Center wavelength λC 760 – 860 nm
Receiver sensitivity Pmin – – -18 dBm
Receiver overload Pmax -3 – – dBm
Return loss – 14 – – dB
LOS de-assert LOSD – – -19 dBm
LOS assert LOSA -45 – – dBm
LOS hysteresis – 0.5 – – dB

 

FUNCTIONAL DESCRIPTION of TRANSCEIVER

 

SFP TRANSCEIVER ELECTRICAL PAD LAYOUT

 

PIN FUNCTION DEFINITIONS
Pin Name Function Plug Seq. Notes
1 VeeT Transmitter ground 1 –
2 TX fault Transmitter fault indication 3 1)
3 TX disable Transmitter disable 3 2) Module disables on high or open
4 MOD-DEF2 Module definition 2 3 3) Data line for serial ID.
5 MOD-DEF1 Module definition 1 3 3) Clock line for serial ID.
6 MOD-DEF0 Module definition 0 3 3) Grounded within the module.
7 Rate select Not connect 3 Function not available
8 LOS Loss of signal 3 4)
9 VeeR Receiver ground 1 5)
10 VeeR Receiver ground 1 5)
11 VeeR Receiver ground 1 5)
12 RD- Inv. received data out 3 6)
13 RD+ Received data out 3 6)
14 VeeR Receiver ground 1 5)
15 VccR Receiver power 2 7) 3.3V ± 5%
16 VccT Transmitter power 2 7) 3.3V ± 5%
17 VeeT Transmitter ground 1 5)
18 TD+ Transmit data In 3 8)
19 TD- Inv. transmit data In 3 8)
20 VeeT Transmitter ground 1 5)
Notes:
1) TX Fault is an open collector/drain output, which should be pulled up with a 4.7K – 10KΩ resistor on the host board. Pull up voltage between 2.0V and VccT/R+0.3V. When high, output indicates a laser fault of some kinds. Low indicates normal operation. In the low state, the output will be pulled to < 0.8V.2) TX disable is an input that is used to shutdown the transmitter optical output. It is pulled up within the module with a 4.7K – 10 KΩ resistor. Its states are:
Low (0 – 0.8V): Transmitter on
(>0.8, < 2.0V): Undefined
High (2.0 – 3.465V): Transmitter Disabled
Open: Transmitter Disabled.3) Modulation Absent, connected to VEET or VEER in the module.4) LOS is an open collector/drain output, which should be pulled up with a 4.7K – 10KΩ resistor. Pull up voltage between 2.0V and VccT/R+0.3V. When high, this output indicates the received optical power is below the worst-case receiver sensitivity (as defined by the standard in use).Low indicates normal operation. In the low state, the output will be pulled to < 0.8V.5) VeeR and VeeT may be internally connected within the SFP module.

6) RD-/+: These are the differential receiver outputs. They are AC coupled 100Ω differential lines which should be terminated with 100Ω (differential) at the user SERDES. The AC coupling is done inside the module and is thus not required on the host board. The voltage swing on these lines will be between 400 and 2000 mV differential (200 –1000 mV single ended) when properly terminated.

7) VccR and VccT are the receiver and transmitter power supplies. They are defined as 3.3V ±5% at the SFP connector pin. Maximum supply current is 300Ma. Recommended host board power supply filtering is shown below. Inductors with DC resistance of less than 1ohm should be used in order to maintain the required voltage at the SFP input pin with 3.3V supply voltage. When the recommended supply-filtering network is used, hot plugging of the SFP transceiver module will result in an inrush current of no more than 30Ma greater than the steady state value.VccR and VccT may be internally connected within the SFP transceiver module.

8) TD-/+: These are the differential transmitter inputs. They are AC-coupled, differential lines with 100Ω differential termination inside the module. The AC coupling is done inside the module and is thus not required on the host board. The inputs will accept differential swings of 400 – 2000mV (200 – 1000mV single-ended).

 

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