RoHS compliant
TX-1490/RX-1550 nm Single-mode Bi-directional , 120km
SFP LC Simplex Connector , with Diagnostic Monitoring
STM-4/STM-16/2.67Gbps

Features Telecordia GR-253-GORE and ITU-T
Recommendation G.957 application
 Industry standard small form pluggable (SFP)
package Simplex 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

TX/RX

INPUT/OUTPUTLOSTEMPERATURE

LD Type

IB1490-SFP-LC.S120

1490/1550

AC/AC

LVTTL0C to 70 C

1490 DFB

Page 1 of 8
Version 1.3
Date:11/20/2012

Data Controls Inc.
Website: www.dci.jp/

RoHS compliant
TX-1490/RX-1550 nm Single-mode Bi-directional , 120km
SFP LC Simplex Connector , with Diagnostic Monitoring
STM-4/STM-16/2.67Gbps

Diagnostics
Parameter

Accuracy

Unit-10 to 80±3o

3.1 to 3.5± 0.1

V0 to 100

± 10%mATX Power-3.5 to +6.5

± 3 dBdBm

RX Power-29.5 to -9± 3 dBdBm

Module internal
temperature
Module internal
voltage
Bias Current

Range

Calibration

CInternal

Absolute Maximum RatingsPARAMETERSYMBOL

MIN

MAX

UNITS

NOTE

Storage TemperatureTS4085

C

Supply Voltage

Vcc

0.5

4.0

V

Input Voltage

VIN

0.5Vcc

V

Optical input powerPin----8dBm@1550nmNOTE

Recommended Operating Conditions
SYMBOLMIN

MAXUNITS

Case Operating Temperature

PARAMETER

TC

070

C

Supply Voltage

Vcc

3.1

3.5

V

Supply Current

ITX + IRX

---

300mA

Optical path loss

Loss

12.5 ~ 29

dB

Optical fiber---

ITU-T G.652(SMF)---

Distance

D---

120

Km

Optical path dispersion penalty

---

---

2.5dB

Dispersion tolerance------

2400

ps/nm

Page 2 of 8
Version 1.3
Date:11/20/2012

Data Controls Inc.
Website: www.dci.jp/

RoHS compliant
TX-1490/RX-1550 nm Single-mode Bi-directional , 120km
SFP LC Simplex Connector , with Diagnostic Monitoring
STM-4/STM-16/2.67Gbps

Transmitter Electro-optical Characteristics
Vcc = 3.1 V to 3.5 V, TC = 0 C to 70 C
PARAMETERSYMBOL

MIN

TYP.

MAX

UNITS

Bit Rate

B622

---

2670

Mbps

Output Optical Power
9/125 m fiber

Pout-0.5---+3.5dBm

Extinction Ratio

ER6------dB

Output EyeRIN------

120

dB/Hz

Output rise/fall time(20-80%)

Tr,f---

---

160

ps

Center Wavelength

C

1480

1490

1500

nm

Spectral Width (-20dB)

---

---

0.5

nm

SMSR

30

Output EyedB

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

Page 3 of 8
Version 1.3
Date:11/20/2012

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

Relative Intensity NoiseSide Mode Suppression RatioNOTE

Data Controls Inc.
Website: www.dci.jp/

RoHS compliant
TX-1490/RX-1550 nm Single-mode Bi-directional , 120km
SFP LC Simplex Connector , with Diagnostic Monitoring
STM-4/STM-16/2.67Gbps

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

TYP.

MAXUNITS

Bit Rate

B

622

---

2670

Mbps

Optical Input Power-maximum

PIN-9------dBm

BER < 1010

Optical Input Power-minimum(Sensitivity)

PIN------

29.5dBm

BER < 10102670Mbps

Operating Center WavelengthC1540---1560nm

Optical Return Loss

ORL14------dB

Loss of signal -Deasserted

PD---

---

29.5dBm

Loss of signal -AssertedPA45------dBmDifferential Output Voltage

VDIFF

0.5

---

1.2

V

RX_LOSL

0---

0.5

V

RX_LOSH

2.4

---

VCC

V

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

Page 4 of 8
Version 1.3
Date:11/20/2012

Data Controls Inc.
Website: www.dci.jp/NOTE

=1540~1560nm

RoHS compliant
TX-1490/RX-1550 nm Single-mode Bi-directional , 120km
SFP LC Simplex Connector , with Diagnostic Monitoring
STM-4/STM-16/2.67Gbps

Dimensions

13.40±0.1

Tc point

13.50±0.3

8.50±0.1 0.60±0.4

8.00

14.6±0.4

13.70

55.50

1.80

45.00

41.80±0.15

DIMENSIONS ARE IN MILLIMETERSALL DIMENSIONS ARE 0.2mm UNLESS OTHERWISE SPECIFIED

Page 5 of 8
Version 1.3
Date:11/20/2012

Data Controls Inc.
Website: www.dci.jp/

RoHS compliant
TX-1490/RX-1550 nm Single-mode Bi-directional , 120km
SFP LC Simplex Connector , with Diagnostic Monitoring
STM-4/STM-16/2.67Gbps

SFP host board mechanical layout

XYS XYA
1LX 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 8
Version 1.3
Date:11/20/2012

Data Controls Inc.
Website: www.dci.jp/

RoHS compliant
TX-1490/RX-1550 nm Single-mode Bi-directional , 120km
SFP LC Simplex Connector , with Diagnostic Monitoring
STM-4/STM-16/2.67Gbps

Pin Assignment
Pin-Out

Pin

PIN 11

PIN 20

PIN 10

PIN 1Signal Name

Description

1TGND

Transmit Ground

23

TX_FAULTTX_DISABLE

Transmit Fault
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 Circuit

89RX_LOS
RGND

Receiver Loss of Signal, TTL High, open collector
Receiver Ground

10

RGND

Receiver Ground

11

RGND

Receiver Ground

12RX

Receive Data Bar, Differential PECL, ac coupled

13RX
RGND

Receive Data, Differential PECL, ac coupled

1415VCCR

Receiver Power Supply

16VCCTTransmitter Power Supply

17TGND

Transmitter Ground

18TX

Transmit Data, Differential PCEL, ac coupled

19TX
TGND

Transmit Data Bar, Differential PCEL, ac coupled

20

Page 7 of 8
Version 1.3
Date:11/20/2012

Receiver Ground

Transmitter Ground

Data Controls Inc.
Website: www.dci.jp/

RoHS compliant
TX-1490/RX-1550 nm Single-mode Bi-directional , 120km
SFP LC Simplex Connector , with Diagnostic Monitoring
STM-4/STM-16/2.67Gbps

Eye Safety MarkThe IB1490-SFP-LC.S120 series singlemode transceiveris a class 1 laser product. It complies with EN 60825-1
and FDA 21 CFR 1040.10 and 1040.11. In order to meetlaser safety requirements the transceiver shall be
operated within theAbsolute Maximum Ratings.

Required MarkClass 1 Laser ProductComplies with
21 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 8 of 8
Version 1.3
Date:11/20/2012

Data Controls Inc.
Website: www.dci.jp/