CWDM SFP Series
DCxxxx-SFP-LC.47dB
Single-Mode CWDM 155M SDH/SONET or 100M FE
Duplex SFP Transceiver
RoHS6 CompliantFeatures◆

Operating Data Rate up to 155Mbps◆18-Wavelength CWDM DFB LD Transmitter from1470nm to 1610nm, with step 20nm

◆Single 3.3V Power Supply and TTL Logic Interface◆Hot-Pluggable SFP Footprint Duplex LCConnector Interface◆

Compliant with Class 1 FDA and IEC60825-1
Laser Safety

Applications◆

Operating Case Temperature◆

SDH/SONETStandard: 0°C~+70°C◆ATM Switches and Routers◆

Compliant with SFP MSA◆Fast Ethernet◆

Compliant with SFF-8472◆Other Optical Link

Ordering Information
Part No.

Data Rate

Fibre

DCxxxx-SFP-LC.47dB*(note1)

155/100Mbps

SMF

Power
Interface Temperature DDMI
Budget47dB

LCStandard

Note1: xxxx refers to CWDM Wavelength range 1470nm to 1610nm.

Data Controls Inc.
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YES

CWDM SFP Series
CWDM*Note2 WavelengthBand

S-band Short
Wavelength

C-band Conventional

L-bandLong Wavelength

Wavelength(nm)PART NUMBER
Min.

Typ.

Max.

DC1470-SFP-LC.47dB

1464

1470

1477.5

DC1490-SFP-LC.47dB

1484

1490

1497.5

DC1510-SFP-LC.47dB

15041510

1517.5

DC1530-SFP-LC.47dB

1524

1530

1537.5

DC1550-SFP-LC.47dB

1544

1550

1557.5

DC1570-SFP-LC.47dB

1564

1570

1577.5

DC1590-SFP-LC.47dB

1584

1590

1597.5

DC1610-SFP-LC.47dB

1604

1610

1617.5Note2: 8 Wavelengths from 1470 nm to 1610 nm, with 20 nm span.

Regulatory ComplianceFeatureStandard

PerformanceElectrostatic Discharge(ESD) to the Electrical Pins

MIL-STD-883G
Method 3015.7

Class 1C (>1000V)

Electrostatic Discharge
to the Enclosure

EN 55024:1998+A1+A2
IEC-61000-4-2
GR-1089-CORE

Compliant with standards

FCC Part 15 Class B
EN55022:2006
CISPR 22B :2006
VCCI Class B

Compliant with standards
Noise frequency range: 30MHzto 6GHz. Good system EMI
design practice required toachieve Class B margins.
System margins are dependent
on customer host board andchassis design.

Immunity

EN 55024:1998+A1+A2
IEC 61000-4-3

Compliant with standards. 1KHz
sine-wave, 80% AM, from80MHz to 1GHz. No effect ontransmitter/receiver
performance is detectablebetween these limits.

Laser Eye Safety

FDA 21CFR 1040.10 and 1040.11
EN (IEC) 60825-1:2007
EN (IEC) 60825-2:2004+A1

CDRH compliant and Class Ilaser product.
TüV Certificate No. 50135086

Component Recognition

UL and CUL
EN60950-1:2006

UL file E317337
TüV Certificate No. 50135086

ElectromagneticInterference (EMI)

Data Controls Inc.
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CWDM SFP Series(CB scheme )2002/95/EC 4.1&4.2
2005/747/EC 5&7&13

RoHS6

Compliant with standards*note3

Note3: In light of item 5 in RoHS exemption list of RoHS Directive 2002/95/EC, Item 5: Lead in glass of cathoderay tubes, electronic components and fluorescent tubes.
In light of item 13 in RoHS exemption list of RoHS Directive 2005/747/EC, Item13: Lead and cadmium in opticaland filter glass. The three exemptions are being concerned for our transceivers, because our transceivers use
glass, which may contain Pb, for components such as lenses, windows, isolators, and other electroniccomponents.

Product Description
The DCxxxx-SFP-LC.47dB series single mode transceiver is small form factor pluggable module
for serial optical data communications such as SONET OC-3 / SDH STM-1 and Fast Ethernet. It
is with the SFP 20-pin connector to allow hot plug capability. This module is designed for single
mode fiber and operates at a nominal wavelength of CWDM. There are eighteen center
wavelengths available from 1470nm to 1610nm, with each step 20nm.
The transmitter section uses a multiple quantum well CWDM DFB laser and is a class 1 laser
compliant according to International Safety Standard IEC-60825. The receiver section uses anintegrated InGaAs avalanche photodiode preamplifier (IDP) mounted in an optical header and alimiting post-amplifier IC.
The DCxxxx-SFP-LC.47dB series are designed to be compliant with SFF-8472.

Absolute Maximum Ratings
Parameter

SymbolMin.

Max.

UnitStorage Temperature

TS-40+85°C

Supply Voltage

VCC-0.5

3.6V-95%

Operating Relative Humidity*Exceeding any one of these values may destroy the device permanently.

Recommended Operating Conditions
Parameter

SymbolMin.

TypicalMax.

Unit

Operating Case
Temperature

TA0-+70°C

Power Supply Voltage

Vcc

3.15

3.3

3.45

V

Power Supply Current

Icc--300mA

OC-3/STM-1-

155-

100M

-100-

Date Rate

Data Controls Inc.
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CWDM SFP Series
Performance Specifications - ElectricalParameter

SymbolLVPECL
Inputs(Differential)
Input Impedance(Differential)
TX_DisTX_FAULTMin.
Typ.
Transmitter

Max

Unit

Notes

Vin4002000mVpp

AC coupled
inputs*(note4)

Zin

85

115ohmRin > 100kohm @ DC

100

Disable2Vcc

Enable00.8

Fault

2Vcc

Normal00.8

V
V

Receiver
LVPECL Outputs(Differential)

Vout370

Output Impedance(Differential)

Zout

85

RX_LOS

100

2000

mVpp

115

ohm

LOS2Vcc

V

Normal00.8

V

MOD_DEF ( 0:2 )

VoH

2.5

VoL0AC coupled
outputs*(note4)

V0.8

V

Performance Specifications - Optical(CWDM DFB and APD, 47dB Power Budget at Least)
Parameter

SymbolMin.

Data Rate

TypicalMax.

100/155

UnitMbps

Transmitter
Center Wavelength

λC

Spectral Width (-20dB)

ΔλAverage Output Power*(note5)

Pout

2Extinction Ratio*(note6)

ER10dBSide Mode Suppression Ratio

SMSR

30dB

Rise/Fall Time(20%～80%)

tr/tf

Output Optical Eye*(note6)
TX_Disable Assert Time

λc–6

λc

λc+7.5

nm

1nm

7dBm

2ns

IUT-T G.957 Compliant*(note9)
t_off

10us

1650

nm

-45dBmReceiverCenter WavelengthλC

Receiver Sensitivity*(note7)

Pmin

Receiver OverloadPmaxReturn Loss

1100-10dBm

14dB

Optical Path Penalty*(note8)
LOS De-Assert

LOSD

LOS Assert

LOSA
Data Controls Inc.
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CWDM SFP Series
LOS Hysteresis*(note9)

0.5

dB

Note4: LVPECL logic, internally AC coupled.
Note5: Output is coupled into a 9/125μm single-mode fiber.
Note6: Filtered, measured with a PRBS 223-1 test pattern @155Mbps
Note7: Minimum average optical power measured at BER less than 1E-10, with a 223-1 PRBS and ER=9dB.
Note8: Measured with a PRBS 223-1 test pattern @155Mbps, BER ≤1×10-10.
Note9: Eye Pattern Mask

Note10: LOS Hysteresis

Functional Description of Transceiver

Data Controls Inc.
Page 5 of 10V3.c

CWDM SFP Series
SFP Transceiver Electrical Pad Layout

Pin Function Definitions
Pin Num.

Name

Function Description

1

VeeT

Transmitter Ground2

TX Fault

Transmitter Fault Indication, open collector/drain output

3

TX Disable

Transmitter Disable

4

MOD-DEF2

Module Definition 2, Data line for Serial ID.

5

MOD-DEF1

Module Definition 1, Clock line for Serial ID.

6

MOD-DEF0

Module Definition 0, Grounded within the module.

7Rate SelectNot Connect, Function not available

8LOS

Loss of Signal, open collector/drain output

9VeeR

Receiver Ground

10VeeR

Receiver Ground

11VeeR

Receiver Ground12RD-Inv. Received Data Out

13RD+Received Data Out

14VeeR

Receiver Ground
Data Controls Inc.
Page 6 of 10V3.c

CWDM SFP Series
15VccR

Receiver Power, 3.3 ± 5%

16VccTTransmitter Power, 3.3 ± 5%17VeeT

Transmitter Ground

18TD+Transmit Data In

19TD-Inv. Transmit Data In

20VeeT

Transmitter Ground

EEPROM
The serial interface uses the 2-wire serial CMOS EEPROM protocol defined for the ATMEL
AT24C02/04 family of components. When the serial protocol is activated, the host generates theserial clock signal (SCL). The positive edge clocks data into those segments of the EEPROM thatare not write protected within the SFP transceiver. The negative edge clocks data from the SFP
transceiver. The serial data signal (SDA) is bi-directional for serial data transfer. The host uses
SDA in conjunction with SCL to mark the start and end of serial protocol activation. The
memories are organized as a series of 8-bit data words that can be addressed individually orsequentially.
The Module provides diagnostic information about the 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. Received powermonitoring, transmitted power monitoring, bias current monitoring, supply voltage monitoring andtemperature monitoring all are implemented. If the module is defined as external calibrated, thediagnostic data are raw A/D values and must be converted to real world units using calibrationconstants stored in EEPROM locations 56 – 95 at wire serial bus address A2H. The digital
diagnostic memory map specific data field define as following .For detail EEPROM information,please refer to the related document of SFF 8472 Rev 9.3.

Data Controls Inc.
Page 7 of 10V3.c

CWDM SFP Series
EEPROM Serial ID Memory Contents
Accessing Serial ID Memory uses the 2 wire address 1010000X (A0H). Memory Contents ofSerial ID are shown in Table 1.

Table 1 Serial ID Memory Contents
Addr.

Size(Bytes)

Name of FieldHexDescription

BASE ID FIELDS01Identifier03SFP

1

1Ext. Identifier04

SFP function is defined byserial ID only

21Connector

07

LC Connector

3-10

8Transceiver

111Encoding

03

NRZ

12

1BR, Nominal

01155Mbps

13

1Reserved00

14

1Length (9µm)kmXX

15

1Length(9µm)100m

FF

16

1Length (50µm) 10m

00

17

1Length(62.5µm)10m00

18

1Length (Copper)

00

19

1

Reserved00

20-35

16Vendor name

Data Controls (note10)

36

1

Reserved00

37-39

3Vendor OUI

68F125 (note10)40-55

16Vendor PN

DCxxxxSFPLC47dB(note10)

XX XX XX XX XX XX XX OC 3, Single mode, longXX(note10)
reach

56-59

4Vendor rev

XX XX XX XX(note10)

60-61

2Wavelength

XX XX (note10)

62

1Reserved00

63

1CC_BASE

Check Sum (Variable)

Transceiver transmit
distance
Not compliant
Vendor name

PN
Wavelength
Check code for Base ID
FieldsEXTENDED ID FIELDS
TX_DISABLE, TX_FAULT
and Loss of Signal
implemented.

64-65

2Options

00 1A

66

1BR, max

00

67

1BR, min00

68-83

16Vendor SN

XX XX XX XX XX XX XX
Serial Number ofXX 20 20 20 20 20 20 20 transceiver (ASCII). For20(note10)
example “B000822”.

84-91

8Date code

XX XX XX XX XX XX XX Manufactory date code.
XX(note10)
For example “080405”.

Data Controls Inc.
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CWDM SFP Series
92

1

Diagnostic
Monitoring TypeXX(note10)

Digital diagnostic
monitoring implemented

93

1

Enhanced Options

XX(note10)

Optional flags

941

SFF_8472
Compliance

01

95

1

CC_EXT

Check Sum (Variable)

01 for diagnostics (Rev9.3
SFF-8472).

Check sum for Extended
ID Field.

VENDOR SPECIFIC ID FIELDS
96-12732Vendor Specific

Read only

128-255

128

Reserved

Read only

Depends on customer
informationNote10: The “XX” byte should be filled in according to practical case. For more information, please refer to therelated document of SFP Multi-Source Agreement (MSA).

Recommend Circuit Schematic

Data Controls Inc.
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CWDM SFP Series
Mechanical Specifications

Contact
Data Controls Inc.
sales@dci.jp

www.dci.jp

Data Controls Inc.
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