RoHS compliant
Multi-Rate 1550 nm Single-mode Transceiver, (LR2/L16.2)
Small Form Pluggable (SFP), with Diagnostic Monitoring
2.67Gb/OC48/2FC/GbE/FC/OC12/OC3/Fast EthernetFeatures
 Compliant with SFF8472 diagnostic monitoring
interface Industry standard small form pluggable (SFP)
package Multi-Rate Duplex LC connector
 Single power supply 3.3V
 TTL signal detect indicator Hot Pluggable Class 1 laser product complies with EN 60825-1

Ordering Information
PART NUMBER

INPUT/OUTPUT SIGNAL DETECTVOLTAGE

TEMPERATURE

LD Type0C to 70 C-40C to 85 CDFB

IM1550-SFP-LC.S80

AC/AC

TTL

3.3V

IM1550-SFP-LC.S80(WT)

AC/AC

TTL

3.3V

Diagnostics
Parameter

Range

Accuracy

Unit

Temperature-40 to 95±3oVoltage

0 to VCC± 0.1

VBias Current

0 to 120±5mA

TX Power-5 to +6

± 3 dBdBm

RX Power-28 to –10± 3 dBdBm

Page 1 of 9
Version 1.2
Date: 5/4/2012

Calibration

C

Data Controls Inc.
Website: www.dci.jp

ExternalDFB

RoHS compliant
Multi-Rate 1550 nm Single-mode Transceiver, (LR2/L16.2)
Small Form Pluggable (SFP), with Diagnostic Monitoring
2.67Gb/OC48/2FC/GbE/FC/OC12/OC3/Fast Ethernet

Absolute Maximum Ratings
PARAMETERSYMBOLMINMAX

UNITS

NOTE

Storage TemperatureTS4085

C

Supply Voltage

Vcc

0.5

4.0V

Input Voltage

VIN

0.5Vcc

V

Operating Current

IOP---400mA

SYMBOL

MIN

MAX

UNITS

TC0-407085

CSupply Voltage

Vcc

3.1

3.5

V

Supply Current

ITX + IRX---300mA

Recommended Operating Conditions
PARAMETER
Case Operating Temperature

NOTE

Transmitter Electro-optical Characteristics
Vcc = 3.1 V to 3.5 V, TC = 0 C to 70 C(-40 C to 85 C)
PARAMETERSYMBOLMIN

TYP.

MAXUNITS

NOTE

Output Optical Power
9/125 m fiberPout2---+3dBm

Average

Extinction Ratio

ER

8.2

---

---

dB

Center Wavelength

C

1530

1550

1570

nm

Spectral Width (-20dB)

---

---

1nm

SMSR

30

---

---

dB

Side Mode Suppression Ratio
Output Eye

Compliant with Telcordia GR-253-CORE Issue 3 and ITU-T recommendation G-957

Max. Pout TX-DISABLE Asserted

POFF------

45

dBm

Differential Input Voltage

VDIFF

0.4

---

2.0

V

Optical path penalty

2dB

Maximum dispersion

1680

ps/nm

Page 2 of 9
Version 1.2
Date: 5/4/2012

Data Controls Inc.
Website: www.dci.jp

RoHS compliant
Multi-Rate 1550 nm Single-mode Transceiver, (LR2/L16.2)
Small Form Pluggable (SFP), with Diagnostic Monitoring
2.67Gb/OC48/2FC/GbE/FC/OC12/OC3/Fast Ethernet

Receiver Electro-optical Characteristics
Vcc = 3.1 V to 3.5 V, TC = 0 C to 70 C(-40 C to 85 C)
PARAMETERSYMBOLMIN

TYP.

MAXUNITS

NOTE

Optical Input Power-maximum

PIN-8------dBm

BER < 1010RX Sensitivity @2.67 Gb/s

PIN------28dBm

PRBS23, BER < 1010RX Sensitivity @OC-48

PIN------

28dBmPRBS23, BER < 1010RX Sensitivity @2xFC

PIN

---

---

28

dBm

PRBS7, BER < 1012RX Sensitivity @GbE

PIN

---

---

28dBmPRBS7, BER < 1012RX Sensitivity @OC-12

PIN

---

---

28dBmPRBS23, BER < 1010RX Sensitivity @OC-3

PIN

---

---

28dBmPRBS23, BER < 1010RX Sensitivity @Fast ethernet

PIN

---

---

28dBmPRBS7, BER < 1010

Operating Center WavelengthC1260

---

1610

nm

Optical Return LossORL-27------

dBSignal Detect-Asserted

PA------

28dBmSignal Detect-Deasserted

PD45------dBm

Differential Output Voltage

VDIFF0.5---

1.2

V

RX_LOSL0---

0.5

V

RX_LOSH

2.4

---

VCC

V

Receiver Loss of Signal Output
Voltage-Low
Receiver Loss of Signal Output
Voltage-High

Page 3 of 9
Version 1.2
Date: 5/4/2012

Data Controls Inc.
Website: www.dci.jp

RoHS compliant
Multi-Rate 1550 nm Single-mode Transceiver, (LR2/L16.2)
Small Form Pluggable (SFP), with Diagnostic Monitoring
2.67Gb/OC48/2FC/GbE/FC/OC12/OC3/Fast Ethernet

Block Diagram of Transceiver

ELECTRICAL SUBASSEMBLY
DATA
DATA/LD Driver&Fault Sense

LASER

TX_DISABLE
TX_FAULTOPTICALSUBASSEMBLIES

(0)
(1)

MOD_DEF

DUPLEX SC
RECEPTACLE

(2)

DATA
DATA/

POST-Amp&LOS Detect

RREAMPLIFIERIC

RX_LOS

Photo
Diode

TOP VIEW (Label side)

Transmitter Section
The transmitter section consists of a 1550 nm InGaAsP laser in an eye safe optical subassembly (OSA) which mates to the fiber
cable. The laser OSA is driven by a LD driver IC which converts differential input LVPECL logic signals into an analog laser
driving current.
TX_DISABLE
The TX_DISABLE signal is high (TTL logic “1”) to turn off the laser output. The laser will turn on when TX_DISABLE is low(TTL logic “0”).
Receiver Section
The receiver utilizes an APD photodiode mounted together with a trans-impedance preamplifier IC in an OSA. This OSA isconnected to a circuit providing post-amplification quantization, and optical signal detection.
Receive Loss (RX_LOS)The RX_LOS is high (logic “1”) when there is no incoming light from the companion transceiver. This signal is normally used by
the system for the diagnostic purpose. The signal is operated in TTL level.

Page 4 of 9
Version 1.2
Date: 5/4/2012

Data Controls Inc.
Website: www.dci.jp

RoHS compliant
Multi-Rate 1550 nm Single-mode Transceiver, (LR2/L16.2)
Small Form Pluggable (SFP), with Diagnostic Monitoring
2.67Gb/OC48/2FC/GbE/FC/OC12/OC3/Fast Ethernet

Dimensions

DIMENSIONS ARE IN MILLIMETERSALL DIMENSIONS ARE 0.2mm UNLESS OTHERWISE SPECIFIED
Unit: mm

Page 5 of 9
Version 1.2
Date: 5/4/2012

Data Controls Inc.
Website: www.dci.jp

RoHS compliant
Multi-Rate 1550 nm Single-mode Transceiver, (LR2/L16.2)
Small Form Pluggable (SFP), with Diagnostic Monitoring
2.67Gb/OC48/2FC/GbE/FC/OC12/OC3/Fast Ethernet

SFP host board mechanical layout

XYS XYA
1

LX A S
1PIN1

LX A SLEGEND

AS BS

1. PADS AND VIAS ARE CHASSIS GROUND
2. THROUGH HOLES, PLATING OPTIONAL
3. HATCHED AREA DENOTES COMPONENTAND TRACE KEEPOUT(EXCEPT CHASSISGROUND)
4.AREA DENOTES COMPONENT KEEPOUT(TRACES ALLOWED)PIN1DIMENSIONS ARE IN MILLIMETERSA S BS
AS BS

Unit: mm

Page 6 of 9
Version 1.2
Date: 5/4/2012

Data Controls Inc.
Website: www.dci.jp

RoHS compliant
Multi-Rate 1550 nm Single-mode Transceiver, (LR2/L16.2)
Small Form Pluggable (SFP), with Diagnostic Monitoring
2.67Gb/OC48/2FC/GbE/FC/OC12/OC3/Fast Ethernet

Assembly drawing
1.7±0.9
3.5±0.3
41.73±0.5
PCB15.25±0.1

10.4±0.1

11.0 REF.

9.8 MAXCAGE ASSEMBLY

0.4±0.1 BELOW PCB

15.0 MAX

BEZEL

16.25±0.1
MSA-SPECIFIED BEZELPCBDIMENSIONS ARE IN MILLIMETERS

Unit: mmPage 7 of 9
Version 1.2
Date: 5/4/2012

Data Controls Inc.
Website: www.dci.jp

RoHS compliant
Multi-Rate 1550 nm Single-mode Transceiver, (LR2/L16.2)
Small Form Pluggable (SFP), with Diagnostic Monitoring
2.67Gb/OC48/2FC/GbE/FC/OC12/OC3/Fast Ethernet

Pin Assignment
Pin-OutPin
12

PIN 11

PIN 20

PIN 10

PIN 1

Signal Name

Description

TX_FAULTTransmit Ground
Transmit Fault

3

TX_DISABLE

Transmit Disable

4

MOD_DEF (2)SDA Serial Data Signal

5

MOD_DEF (1)SCL Serial Clock Signal

6

MOD_DEF (0)TTL Low

7

RATE SELECT

Open Circuit8Receiver Loss of Signal, TTL High, open collector

9RX_LOSRGND

10RGND

Receiver Ground

11RGND

Receiver Ground

12RX

Receive Data Bar, Differential PECL, ac coupled

1314RX
RGND

Receive Data, Differential PECL, ac coupled

15

VCCR

Receiver Power Supply

16

VCCTTransmitter Power Supply

17

TGND

Transmitter Ground

18TX

Transmit Data, Differential PCEL, ac coupled

19TX
TGND

Transmitter Ground

20

TGND

Page 8 of 9Version 1.2
Date: 5/4/2012

Receiver Ground

Receiver Ground

Transmit Data Bar, Differential PCEL, ac coupled

Data Controls Inc.
Website: www.dci.jp

RoHS compliant
Multi-Rate 1550 nm Single-mode Transceiver, (LR2/L16.2)
Small Form Pluggable (SFP), with Diagnostic Monitoring
2.67Gb/OC48/2FC/GbE/FC/OC12/OC3/Fast Ethernet

Eye Safety MarkIM1550 series singlemode transceiver is a class 1 laser
product. It complies with EN 60825-1 and FDA 21 CFR
1040.10 and 1040.11. In order to meet laser safety
requirements the transceiver shall be operated within theAbsolute Maximum Ratings.

Required MarkClass 1 Laser ProductComplies with21 CFR 1040.10 and 1040.11

CautionAll adjustments have been done at the factory before
the shipment of the devices. No maintenance and user
serviceable part is required. Tampering with andmodifying the performance of the device will result in
voided product warranty.
Note : All information contained in this document is subject to change without notice.

Page 9 of 9
Version 1.2
Date: 5/4/2012

Data Controls Inc.
Website: www.dci.jp