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EPON ONU STICK SFP

EPON ONU STICK SFP

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Specifications

  • 产品型号: GEPON ONU光�？�
  • 兼容品牌: 全系列
  • 封装类型: SFF/SFP
  • 传输速率: 1.25T/1.25R
  • 传输距离: 20KM
  • 发射波长: 1310T/1490R
  • 吸收波长: 1310T/1490R
  • 事情温度: 商业级0℃～+70℃/工业级-40℃～+85℃ 可选
  • 数字诊断: 带DDM
  • 吸收迅速度: 20KM
  • 吸收迅速度: 20KM

Description

FEATURES

  • Single fiber bi-directional data links symmetric 1.25Gbps EPON ONU application with EPON MAC function.
  • SC/UPC receptacle SFP with EPON ONU MAC inside, “Plug-and-play” via auto-discovery and configuration
  • 1310nm FP burst mode transmitter, 1490nm PIN-TIA continuous mode receiver
  • 0 to 70°C operating case temperature for EONU-STICK-20, C-Temp;

    -40 to 85°C operating case temperature for EONU-STICK-20I, I -Temp;

  • Single 3.3V power supply
  • Digital diagnostic monitor interface compatible with SFF-8472
  • SFP MSA compliance
  • Low EMI and excellent ESD protection
  • Class I laser safety standard IEC-60825 compliant
  • RoHS-6 compliance

APPLICATIONS

  • Ethernet Passive Optical Networks(EPON)
  • EONU-STICK-20 / EONU-STICK-20I is an MSA-compliant SFP that incorporates not just the optics for an ONU, but all of the electronics need as well. It is a “PON on a Stick” that an entire FTTH ONU in a slightly oversized SFP. It can be plugged into networking equipment. Allowing the data interfaces on a switch, router, PBX, etc. to be customized for different fiber environments and distance requirements

STANDARDS

  • Complies with SFP Multi-Source Agreement (MSA) SFF-8074i
  • Complies with IEEE 802.3ah-2004 1000BASE-PX20 EPON ONU
  • Highly flexible 802.1Q VALN support
  • 802.1p/q support
  • Complies with SFF 8472
  • Complies with FCC 47 CFR Part 15, Class B
  • Complies with FDA 21 CFR 1040.10 and 1040.11


ABSOLUTE MAXIMUM RATING

Parameter

Symbol

Min.

Max.

Unit

Notes

Storage Ambient Temperature

TSTG

-40

85

°C

  

Operating Case Temperature

Tc

0

70

°C

EONU-STICK-20
 

Tc

-40

85

°C

EONU-STICK-20I

Operating Humidity

OH

5

95

%

  

Power Supply Voltage

VCC

-0.5

3.6

V

  

RECOMMENDED OPERATING CONDITION

Parameter

Symbol

Min.

Typ.

Max.

Unit

Notes

Power Supply Voltage

VCC

3.13

3.3

3.47

V

  

Power Dissipation

PD

1.85

2.10

2.42

W

Max value under High temp environment

Operating Case Temperature

Tc

0

  

+70

°C

EONU-STICK-20

Tc

-40

  

+85

°C

EONU-STICK-20I

Operating Humidity Range

OH

5

  

95

%

  

Data Rate

    

1.25

  

Gbit/s

  

Data Rate Drift

  

-100

  

+100

PPM

  

 

TRANSMITTER OPTICAL CHARACTERISTICS

Parameter

Symbol

Min.

Typ.

Max.

Unit

Note

Optical Center Wavelength

λC

1260

1310

1360

nm

  

Spectral Width (-20dB)

?λ

    

2.8

nm

  

Average Launch Optical Power

AOP

   0

  

4

dBm

Launched into SMF Fiber

Burst off Average Output Power

      

-45

dBm

  

Extinction Ratio

ER

9

    

dB

  

Rise/Fall Time (20%-80%)

TR/TF

    

0.26

ns

  

RIN15OMA

      

-115

dB/Hz

  

Optical Return Loss Tolerance

      

15

dB

  

Transmitter Reflectance

      

-10

dB

  

Transmitter and Dispersion Penalty

TDP

    

2

dB

Transmit on 20km SMF.

Optical Waveform Diagram

IEEE Std 802.3ahTM-2004

PRBS 27-1 @1.25bps
               



TRANSMITTER ELECTRICAL CHARACTERISTICS

Parameter

Symbol

Min.

Typ.

Max.

Unit

Notes

Data Input Differential Swing

  

300

  

1800

mV

CML input, AC coupled

Input Differential Impedance

  

90

100

110

Ω

  

Transmitter TxDisable Control Voltage - Low

  

0

  

0.8

V

  

Transmitter TxDisable Voltage - High

  

2.0

  

VCC

V

  

Transmitter Fault Alarm Voltage - Low

  

0

 

0.4

V

  

Transmitter Fault Alarm Voltage – High

  

2.4

  

Vcc

V

  

RECEIVER OPTICAL CHARACTERISTICS

Parameter

Symbol

Min.

Typ.

Max.

Unit

Notes

 
Operating Wavelength

λc

1480

1490

1500

nm

  

Sensitivity

SEN

    

-27

dBm

PRBS 27 -1 @1.25Gbps

BER≤10E-12, ER=9dB

EOL, Over Temperature

Saturation Optical Power

SAT

-3

    

dBm

  

Loss of Signal De-Assert

LOSD

    

-29

dBm

  

Loss of Signal Assert

LOSA

-39

    

dBm

  

Signal-Detected Hysteresis

  

0.5

  

6

dBm

  

Receiver Reflectance

      

-12

dB

λ=1490nm

WDM Filter Isolation

  

38

    

dB

λ=1550nm
 

35

    

dB

λ=1650nm

RECEIVER ELECTRIAL CHARACTERISTICS

Parameter

Symbol

Min.

Typ.

Max.

Unit

Notes

Data Output Differential Swing

  

300

  

1200

mV

CML output, AC coupled

Loss of Signal - Low

  

0

  

0.4

V

  

Loss of Signal - High

  

2.4

  

VCC

V

  

 

Figure 1 SFP Transceiver Electrical Pad Layout

PIN DESCRIPTION

PIN

Name

Description

Notes

1

VeeT

Transmitter Ground

Note5

2

TX Fault

Transmitter Fault Indication

Note 1

3

TX Disable

Transmitter Disable

Note 2, Module disables on high or open

4

MOD-DEF2

Module Definition 2

Note 3, wire serial ID Interface

5

MOD-DEF1

Module Definition 1

Note 3, wire serial ID Interface

6

MOD-DEF0

Module Definition 0

Note 3, Grounded in Module

7

Rate

Not connected

None

8

LOS

Loss of Signal

Note 4

9

VeeR

Receiver Ground

Note 5

10

VeeR

Receiver Ground

Note 5

11

VeeR

Receiver Ground

Note 5

12

RD-

Inv. Received Data Out

Note 6

13

RD+

Received Data Out

Note 6

14

VeeR

Receiver Ground

Note 5

15

VccR

Receiver Power

3.3 ±5%, Note 7

16

VccT

Transmitter Power

3.3 ±5%, Note 7

17

VeeT

Transmitter Ground

Note 5

18

TD+

Transmit Data In

Note 8

19

TD-

Inv.Transmit Data In

Note 8

20

VeeT

Transmitter Ground

Note 5
  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 kind. 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 shut down the transmitter optical output. It is pulled up within the module with a 4.7 – 10KΩ 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

  1. Mod-Def 0,1,2. These are the module definition pins. They should be pulled up with a 4.7K – 10KΩ resistor on the hostThe pull-up voltage shall be VccT or VccR.

Mod-Def 0 is grounded by the module to indicate that the module is present

Mod-Def 1 is the clock line of two wire serial interface for serial ID

Mod-Def 2 is the data line of two wire serial interface for serial ID

  1. LOS (Loss of Signal) 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.
  2. VeeR and VeeT may be internally connected within the SFP module.
  3. RD-/+: These are the differential receiver outputs. They are AC coupled 100 Ω differential lines which should be terminated with 100 Ω (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 370 and 2000 mV differential (185 – 1000 mV single ended) when properly terminated.
  4. 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 300 mA. Recommended host board power supply filtering is shown below. Inductors with DC resistance of less than 1Ω=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 30 mA greater than the steady state value. VccR and VccT may be internally connected within the SFP transceiver module.
  5. 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 300 – 1800 mV (150 – 900 mV single-ended), though it is recommended that values between 500 and 1200 mV differential (250 – 600 mV single-ended) be used for best EMI performance. 500 and 1600 mV differential (250 – 800 mV single-ended) be used for best EMI performance

DESCRIPTION OF EEPROM ADDRESS A0H AND A2H

SFP ONU uses the two wire serial bus to access two blocks of 256-byte EEPROM address 1010000X (A0h) and 1010001X (A2h) ,

A0h stores static information including product and vendor IDs and A2h provides diagnostic information about the module’s present operating conditions. The transceiver generates this diagnostic data by digitization of internal analog signals. Calibration and alarm/warning threshold data is written during device manufacture.

The figure below shows the detail descriptions of A0h and A2h. All of information is accessible by a local host equipment, and can be retrieved by OLT remotely through EPON OAM messages.

Figure 4Detail descriptions of A0h and A2h defined by SFF-8472

 

EEPROM INFORMATION (A0h)

Data Address

Field Size (Byte)

Name Of filed

Hex

Coded value

0(00)

1

Identifier

03

SFP

1(01)

1

Ext .Identifier

04

GBIC/SFP function is defined by serial ID only

2(02)

1

Connector

01

SC

3(03)

8

Transceiver

(Note 3)

00

1000BASE-PX

4(04)

00

5(05)

00

6(06)

80

7(07)

00

8(08)

00

9(09)

00

10(0A)

00

11(0B)

1

Encoding

01

8B10B

12(0C)

1

BR, Nominal

0D

1.25GHz

13(0D)

1

Reserved

00

  

14(0E)

1

Length (9um)

14

20(km)

15(0F)

1

Length (9um)

C8

200(100m)

16(10)

1

Length (50um)

00

  

17(11)

1

Length (62.5um)

00

  

18(12)

1

Length (Copper)

00

  

19(13)

1

Reserved

00

  

20(14)

16

Vendor name

53

S

21(15)

55

U

22(16)

50

P

23(17)

45

E

24(18)

52

R

25(19)

58

X

26(1A)

4F

O

27(1B)

4E

N

28(1C)

20

<space>

29(1D)

4C

L

30(1E)

54

T

31(1F)

44

D

32(20)

2E

.

33(21)

20

<space>

34(22)

20

<space>

35(23)

20

<space>

36(24)

1

Reserved

00

  

37(25)

3

Vendor OUI

00

  

38(26)

00

  

39(27)

00

  

40(28)

16

Vendor PN

(Note3)

53

S

41(29)

4F

O

42(2A)

45

E

43(2B)

42

B

44(2C)

33

3

45(2D)

34

4

46(2E)

36

6

47(2F)

36

6

48(30)

2D

-

49(31)

50

P

50(32)

53

S

51(33)

47

G

52(34)

4D

M

53(35)

20

<space>

54(36)

20

<space>

55(37)

20

<space>

56(38)

4

Vendor rev

(Note3)

31

1

57(39)

30

0

58(3A)

20

<space>

59(3B)

20

<space>

60(3C)

2

Wavelength

05

1310nm

61(3D)

1E

62(3E)

1

Reserved

00

  

63(3F)

1

CC_BASE

xx

Note1

64(40)

2

Options

00

TX_FAULT, LOS

65(41)

0A

66(42)

1

BR, max

00

  

67(43)

1

BR, min

00

  

68(44)

16

Vendor SN

(Note3)

xx

  

69(45)

xx

  

70(46)

xx

  

71(47)

xx

  

72(48)

xx

  

73(49)

xx

  

74(4A)

xx

  

75(4B)

xx

  

76(4C)

xx

  

77(4D)

xx

  

78(4E)

xx

  

79(4F)

xx

  

80(50)

xx

  

81(51)

xx

  

82(52)

xx

  

83(53)

xx

  

84(54)

8

Date code

(Note3)

xx

Year

85(55)

xx

Year

86(56)

xx

Month

87(57)

xx

Month

88(58)

xx

Day

89(59)

xx

Day

90(5A)

20

<Space>

91(5B)

20

<Space>

92(5C)

1

Diagnostic
Monitoring Type

68

DD Implemented; Internally Calibrated; Average Power

93(5D)

1

Enhanced Options

B0

Optional Alarm/warning Flags Implemented; TX_FAULT; RX_LOS;

94(5E)

1

SFF-8472 Compliance

02

Rev 9.5of SFF-8472.

95(5F)

1

CC_EXT

xx

Note 2

Digital Diagnostic Specification (A2h)

Data Address

Parameter

Range

Range

96(60)

Temperature

-40 to 85°C

±3°C

97(61)

98(62)

Vcc Voltage

3.0 to 3.6V

±3°C

99(63)

100(64)

Bias Current

0 to 130 mA

±10%

101(65)

102(66)

TX Power

-1 to 5 dBm

±3dB

103(67)

104(68)

RX Power

-28 to -2 dBm

±3dB

105(69)


ORDERING INFORMATION

Part Number

Product Description

EONU-STICK-20 /

EPON ONU STICK SFP (MAC Inside),0?C ~ +70?C

EONU-STICK-20I

EPON ONU STICK SFP (MAC Inside), -40 to +85°C

 

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