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1.25G Compact SFP CSFP Dual BIDI TX1310nm RX1490nm 20km LC DOM
1.25G Compact SFP CSFP Dual BIDI TX1310nm RX1490nm 20km LC DOM
1.25G Compact SFP CSFP Dual BIDI TX1310nm RX1490nm 20km LC DOM
1.25G Compact SFP CSFP Dual BIDI TX1310nm RX1490nm 20km LC DOM
1.25G Compact SFP CSFP Dual BIDI TX1310nm RX1490nm 20km LC DOM
1.25G Compact SFP CSFP Dual BIDI TX1310nm RX1490nm 20km LC DOM
1.25G Compact SFP CSFP Dual BIDI TX1310nm RX1490nm 20km LC DOM
1.25G Compact SFP CSFP Dual BIDI TX1310nm RX1490nm 20km LC DOM
Specifications
Brand Name :
Gigaopto
Model Number :
GCS-B3412-B3412-20C
Certification :
CE, FCC, ROHS, ISO9001, ISO14000, MSDS, REACH, CP65, TUV, UL
Place of Origin :
Shenzhen, China
MOQ :
1
Price :
negotiable
Payment Terms :
T/T, L/C
Supply Ability :
50,000pcs/month
Delivery Time :
1-5 work days
Packaging Details :
Single Package，10 or 20pcs per Tray，30 or 50 or 100pcs per box, 400 or 600pcs per carton
Product Type :
Compact SFP
Data Rate :
1.25Gbps
TX Wavelength :
2 x 1310nm
RX Wavelength :
2 x 1490nm
Transmission :
20km
Cable Type :
SMF
Keywords :
1.25G CSFP Optical Fiber Transceiver
Description

1.25G Compact SFP (CSFP) dual BIDI TX1310nm RX1490nm 20km LC DOM

Description

This 1000Base 2-fiber Bi-directional compact SFP Transceiver is a version of SFP with the same mechanical form factor allowing two independent bidirectional channels per port. It is designed to use in high density Gigabit Ethernet/1G Fiber Channel applications, providing 20km links using the nominal wavelength of TX1310nm/RX1490nm over standard single mode fiber.

It is with the SFP 20-pin connector to allow hot plug capability. Digital diagnostic functions are available via an I2C series bus specified in the MSA SFF-8472. The transmitter section uses a multiple quantum well 1310nm DFB laser and is a class 1 laser compliant according to International Safety Standard IEC 60825. The receiver section uses an integrated 1490nm detector preamplifier (IDP) mounted in an optical header and a limiting post-amplifier IC.

The CSFP transceiver is fully compliant to compact Small Form-Factor Pluggable (CSFP) MSA option 2 and SFF-8472.

Specifications

Product Series Fiber CSFP Transceiver Part Number GCS-B3412-B3412-20C
Form Factor CSFP Type 2x BiDi LX
Data Rate 1.25G/1.25G Lane Count 2x (Tx/Rx)
Distance 20km Connector 2x LC-Simplex
TX Wavelength 2x 1310nm RX Wavelength 2x 1490nm
Power Supply Voltage +3.3V (typical) Power Consumption ≤ 1.3W
Transmitter Type/Lane FP Receiver Type/Lane PIN
Transmitter Output Power -9 ~ -3dBm Receiver Sensitivity < -22dBm
Extinction Ratio > 9dB Input Overload > -3dBm
Power Budget (dB) 13dB Digital Diagnostic Support
Environment Operating: 0 to 70°C Warranty 3-year
Storage: -40°C to 85°C Unit Weight 25gram
Compliance 1000Base BX20 IEEE802.3ah, CE, Class 1 FDA and IEC60825-1 Laser Safety Compliant, CSFP MSA option 2, IEEE 802.3z, RoHS, SFF-8472

Features

  • 2 Fiber dual Bi-directional CSFP transceivers
  • Support 1.25Gb/s bi-directional data links
  • 1310nm FP laser and PIN photodetector
  • Up to 20km on 9/125µm SMF
  • Compliant with CSFP MSA Option 2 and SFF-8472
  • IEEE802.3ah 100BASE-BX, 1000BASE-BX, SONET OC-24, Compliant
  • Digital Diagnostic Monitoring
  • Compatible with RoHS
  • Duplex LC Connector
  • +3.3V single power supply
  • Operating case temperature:0 to +70°C (Commercial)/ -10 ~ +80°C (Extended)/ -40°C to +85°C (Industrial)
  • Class 1 Laser International Safety Standard IEC 60825 Compliant

Application

  • Gigabit Ethernet (1.25 Gbps)
  • 1G Fiber Channel (1.0625 Gbps)

Electrical and Optical Characteristics

Parameter Symbol Min Typical Max Unit Notes
Power Consumption 1.32 W
Supply Current Icc 400 mA
Transmitter
Single-ended Input Voltage Tolerance -0.3 4.0 V
Differential Input Voltage Swing Vin,pp 200 2400 mVpp
Differential Input Impedance Zin 90 100 110 Ohm
Transmit Disable Assert Time 5 us
Transmit Disable Voltage Vdis Vcc-1.3 Vcc V
Transmit Enable Voltage Ven Vee-0.3 0.8 V
Receiver
Differential Output Voltage Swing Vout,pp 500 900 mVpp
Differential Output Impedance Zout 90 100 110 Ohm
Data output rise/fall time Tr/Tf 100 ps

20% to

80%
LOS Assert Voltage VlosH Vcc-1.3 Vcc V
LOS De-assert Voltage VlosL Vee-0.3 0.8 V

Parameter Symbol Min Typical Max Unit Notes
Transmitter
Center Wavelength λC 1260 1310 1360 nm
Spectrum Bandwidth(RMS) σ 3.5 nm
Side Mode Suppression Ratio SMSR 30 dB
Average Optical Power PAVG -9 -3 dBm 1
Optical Extinction Ratio ER 9 dB
Transmitter OFF Output Power POff -45 dBm
Transmitter Eye Mask Compliant with 802.3z(class 1 laser safety) 2
Receiver
Center Wavelength λC 1470 1490 1510 nm
Receiver Sensitivity (Average Power) Sen. -20 dBm 3
Input Saturation Power (overload) Psat -3 dBm
LOS Assert LOSA -36 dB 4
LOS De-assert LOSD -21 dBm 4
LOS Hysteresis LOSH 0.5 2 6 dBm

Notes:

1. Measure at 2^7-1 NRZ PRBS pattern

2. Transmitter eye mask definition.

3. Measured with Light source 1310nm, ER=9dB; BER =<10^-12 @PRBS=2^7-1 NRZ When LOS de-asserted, the RX data+/- output is High-level (fixed).

Pin Assignment and Pin Description

1.25G Compact SFP CSFP Dual BIDI TX1310nm RX1490nm 20km LC DOM

Diagram of host board connector block pin numbers and names

PIN Name Name/Description Notes
1 VEE Transmitter Ground VEE may be internally connected within the SFP module

2

TX FAULT

Transmitter Fault.

 TX Fault is an open collector/drain output, which should be pulled up with a 4.7K– 10K resistor on the host board. Note 1 for more information
3 TX1_Disable Transmitter Disable of Ch A Module channel A disables function

4

MOD_DEF2

Two-wires interface Data

2 wire serial ID interface, SDA
5 MOD_DEF1 Two-wires interface Clock 2 wire serial ID interface, SCL
6 TD2- Inverted Transmit Data Input of Ch B These are the differential transmitter puts. They are AC-coupled, differential lines with 100 differential termination inside the module. The AC coupling is done inside the module and is thus not required on the host board

7

TD2+

Transmit Data Input of Ch B

8

LOS1

Loss of Signal of Ch A

 Loss of Signal detected function. Note 2 for more information.
9 RD2+ Received Data Output of Ch B These are the differential receiver outputs. They are AC coupled 100 differential lines which should be terminated with 100(differential) at the user SERDES. The AC coupling is done inside the module and is thus not required on the host board.

10

RD2-

Inverted Received Data Output of Ch B

11

VEE

Transceiver Ground

 VEE may be internally connected within the SFP module.

12

RD1-

 Inverted Received Data Output of Ch A These are the differential receiver outputs. They are AC coupled 100 differential lines which should be terminated with 100(differential) at the user SERDES. The AC coupling is done inside the module and is thus not required on the host board.

13

RD1+

Received Data Output of Ch A

14

LOS2

Loss of Signal of CH B

 Loss of Signal detected function. Note 2 for more information.
15 VCCR Receiver Power 3.3V± 5%. Note 3 for more information

16

VCCT

Transmitter Power

 3.3V± 5%. Note 3 for more information
17 TX2_Disable Transmitter Disable of Ch B Module channel B disables function

18

TD1+

Transmit Data Input of Ch A

 These are the differential transmitter puts. They are AC-coupled differential lines with 100 differential termination inside the module. The AC coupling is done inside the module and is thus not required on the host board

19

TD1-

 Inverted Transmit Data Input of Ch A

20

VEE

Transceiver Ground

 VEE may be internally connected within the SFP module.

Notes:

1. When high, output indicates a laser fault of some kind either in Channel A or Channel B. The Host shall read Channel A/B for details: TX Fault from channel A if bit 2 is set in [A2H:110]; TX Fault from channel B if bit 2 is set in [B2H: 110]. Low indicates normal operation. In the low state, the output will be pulled to < 0.8V.

2. 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 < 0.4V. VccT VccR are the power supplies. They are defined as 3.3V ±5% at the SFP connector pin. Maximum supply current is 400Ma@3.3V. Vcc may be internally connected within the SFP transceiver module.

Mechanical Dimensions

Dimensions are in millimeters. All dimensions are ±0.1mm unless otherwise specified. (Unit: mm)

1.25G Compact SFP CSFP Dual BIDI TX1310nm RX1490nm 20km LC DOM

Product tags

10g bidi sfp

,

3com gbic sfp

,

sfp bidi 10g
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1.25G Compact SFP CSFP Dual BIDI TX1310nm RX1490nm 20km LC DOM

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Product Detail
Brand Name :
Gigaopto
Model Number :
GCS-B3412-B3412-20C
Certification :
CE, FCC, ROHS, ISO9001, ISO14000, MSDS, REACH, CP65, TUV, UL
Place of Origin :
Shenzhen, China
MOQ :
1
Price :
negotiable
Contact Supplier
1.25G Compact SFP CSFP Dual BIDI TX1310nm RX1490nm 20km LC DOM
1.25G Compact SFP CSFP Dual BIDI TX1310nm RX1490nm 20km LC DOM
1.25G Compact SFP CSFP Dual BIDI TX1310nm RX1490nm 20km LC DOM
1.25G Compact SFP CSFP Dual BIDI TX1310nm RX1490nm 20km LC DOM

Shenzhen Gigaopto Technology Co., Ltd.

Verified Supplier
4 Years
shenzhen
Since 2014
Business Type :
Manufacturer, Exporter, Seller
Main Products :
GPON SFP Transceiver, EPON SFP Module, SFP+ Optical Transceiver
Total Annual :
78,000,000-12,000,000
Employee Number :
100~150
Certification Level :
Verified Supplier
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