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1.25G SFP Optical Transceiver with DDM mornitor
1.25G SFP Optical Transceiver with DDM mornitor,20KM,40KM,80KM distance transmision

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INFORMATION

FEATURES:

l       Up to 1.25Gb/s data links

l       Hot-pluggable SFP footprint

l       1310nm Fabry-Perot laser transmitter

l       Duplex LC connector

l       Compliant with SFP MSA and SFF-8472

l       Digital Diagnostic Monitoring(DDM):Internal Calibration or External Calibration

l       Very low jitter

l       No Rate Select input required for

Fiber Channel 1x/2x Operation

l       Up to 20km on 9/125μm SMF

l       Metal enclosure, for lower EMI

l       Single 3.3V power supply

l       Low power dissipation <700mW typical

l       CWDM is also Available

l       Class 1: FDA/IEC60825-1 Laser Security

APPLICATIONS:

l       Gigabit Ethernet

l       1x Fiber Channel

l       Switch to Switch interface

l       Switched backplane applications

l       Router/Server interface

l       Other optical transmission systems

Description:

BDTRP413L1SD-20 Small Form Factor Pluggable (SFP) transceivers are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA).They comply with laser safety standard IEC-60825 and Ethernet standard IEEE802.3z 1000Base-LX/LH and IEEE802.3ah.

The transceiver consists of two sections: The transmitter section incorporates a FP laser. the receiver section consists of a PIN photodiode integrated with a trans-impedance preamplifier (TIA).

All modules satisfy class I laser safety requirements. The optical output can be disabled by a TTL logic high-level input of Tx Disable.  Tx Fault indicates that degradation of the laser. Loss of signal (LOS) output indicates the loss of an input optical signal of receiver. The SFP module can be compatible with other brand switch devices like Cisco,Huawei etc.The SFP module has the function of AGC (Automatic Gain control without attenuator).

Optical Characteristics (TOP = 0 to 70, VCC = 3.00 to 3.60 Volts)

Parameter

Symbol

Min

Typ

Max

Unit

Ref.

Transmitter

Output Opt. Power

POUT

-9.5

 

-3

dBm

1

Optical Wavelength

λ

1270

1310

1355

nm

2

Spectral Width

σ

 

 

3

nm

2

Optical Modulation Amplitude

OMA

174

 

 

μW

2,3

Optical Rise/Fall Time

tr/ tf

 

100

160

ps

4

RIN

 

 

 

-120

dB/Hz

 

Deterministic Jitter Contribution

TX Δ DJ

 

20

56.5

ps

5

Total Jitter Contribution

TX Δ TJ

 

70

119

ps

 

Optical Extinction Ratio

ER

9

 

 

dB

 

Receiver

Average Rx Sensitivity @ 1.25 Gb/s

RSENS2

 

 

-22

dBm

6, 7

(Gigabit Ethernet)

 

 

 

 

 

 

Average Received Power

RxMAX

 

 

0

dBm

 

Receiver Elec. 3 dB cutoff freq.

 

 

 

1500

MHz

 

Optical Center Wavelength

λC

1270

 

1600

nm

 

Return Loss

 

12

 

 

dB

 

LOS De-Assert

LOSD

 

-23

-19

dBm

 

LOS Assert

LOSA

-30

-25

 

dBm

 

LOS Hysteresis

 

0.5

 

 

dB

 

Notes:

1. Class 1 Laser Safety per FDA/CDRH and EN (IEC) 60825 regulations.

2. Also specified to meet curves in FC-PI 13.0 Figures 18 and 19, which allow trade-off between

wavelength, spectral width and OMA.

3. Equivalent extinction ratio specification for Fiber Channel. Allows smaller ER at higher average power.

4. Unfiltered, 20-80%. Complies with IEEE 802.3 (Gig. E), FC 1x and 2x eye masks when filtered.

5. Measured with DJ-free data input signal. In actual application, output DJ will be the sum of input DJ and DDJ.

6. Measured with conformance signals defined in FC-PI 13.0 specifications.
7. Measured with PRBS 27-1 at 10-12 BER



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