Popular Design for Sfp Sx Multimode - 1.25G 20KM SC 1310/1550nm Single mode single fiber BIDI SFP – HDV

   Notes:

1.  Circuit ground is internally isolated from chassis ground.

2.  TFAULTis an open collector/drain output, which should be pulled up with a 4.7k – 10k Ohms resistor on

the host board if intended for use. Pull up voltage should be between 2.0V to Vcc + 0.3V. A high

output indicates a transmitter fault caused by either the TX bias current or the TX output power

exceeding the preset alarm thresholds. A low output indicates normal operation. In the low state, the

output is pulled to <0.8V.

3.  Laser output disabled on TDIS>2.0V or open, enabled on TDIS<0.8V.

4.  Should be pulled up with 4.7k – 10 kohms on host board to a voltage between 2.0V and 3.6V.

MOD_DEF(0) pulls line low to indicate module is plugged in.

5.  LOS is open collector output. Should be pulled up with 4.7k – 10 kohms on host board to a voltage

between 2.0V and 3.6V. Logic 0 indicates normal operation; logic 1 indicates loss of signal.

01

Ordering Information

7.1 Example

SFP  35 24 -F 1 1SC-20

Sign

Mean

Description

SFP

Module type

SFP=Single fiber SFP transceiver 

35

Center wave

35=1310tx/1550rx

53=1550tx/1310rx

45=1490tx/1550rx

54=1550tx/1490rx

24

Transmitter Rate

03=155M

03=622M

24=1.25G

48=2.5G

60=3.125G

F

Laser type

F=FP

D=DFB

C=CWDM

V=VCSEL

1

Operating T

1=0~+70℃

2=-40~+85℃

2

DDMI

1=NO DDM

2=DDMI

SC

Connector

SC=SC

LC=LC

20

Distance

022=220M

055=550M

5=5KM

10=10KM

20=20KM

40=40KM

80=80KM

100=100KM

 

Part No.

Wavelength

Connector

Temp.

TX Power

(dBm)

RX Sens

(Max.) (dBm)

Distance

SFP3524-F11SC-20

T 1310FP/R 1550

SC

-20 to 70

-9 to-3

-21

20km

SFP5324-D11SC-20

T 1550DFB/R 1310

SC

-20 to 70

-15 to-3

-21

SFP5324-D11SC-40

T 1550DFB/R 1310

SC

-20 to 70

-9 to-3

-24

40km

SFP3524-D11SC-40

T 1310DFB/R 1550

SC

-20 to 70

-5to-0

-24

SFP5424-D11SC-80

T 1550DFB/R 1310

SC

-20 to 70

-3 to2

-26

80km

SFP4524-D11SC-80

T 1490DFB/R 1550

SC

-20 to 70

-3 to2

-26

2

Figure 2 Example SFP Host Board Schematic

3

Figure 3 Recommended Host Board Supply Filtering Network

Small Form-factor Pluggable (SFP) Transceiver MultiSource Agreement (MSA)

04

Figure 4 SFP Host Board Mechanical Layout

05

Figure 5 SFP Host Board Mechanical Layout (Cont.)

06

Figure 6 Recommended Bezel Design

REV: A
DATE: August 30,2012
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