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Product Specification

RoHS-6 Compliant

10Gb/s 1550nm Single Mode Datacom X2 ZR Transponder

FTLX1841E2

PRODUCT FEATURES

ƒ Hot pluggable X2 MSA form factor

ƒ Total power consumption: 4.0 W maximum

ƒ RoHS-6 compliant (lead-free)

ƒ Temperature range 0°C to 70°C

ƒ Transmission distance of 80 km

ƒ Cooled 1550nm EML

ƒ SC connector, single mode fiber

ƒ Full duplex transmission mode

ƒ Digital Optics Monitoring (DOM)

ƒ Power supply: +5.0 V, +3.3 V,

Adaptable Power Supply (APS:

+1.2 V)

ƒ XAUI electrical interface

4 x 3.125 Gb/s Ethernet

(FTLX1841E2)

ƒ Management and control via MDIO

2-wire bus

ƒ 70-pin connector

ƒ Separated signal/chassis ground

ƒ Mid Pak module variance for front panel mounting

ƒ De-latch mechanism with low extraction force

APPLICATIONS

ƒ 10 Gb/s Ethernet transmission systems for 80km Extended Range (ZR)

PRODUCT SELECTION

Part Number

FTLX1841E2

Applications

10G Ethernet

© Finisar Corporation – August 2008 Rev. D1

Page 1

FTLX1841 Product Specification – August 2008

I. Pin Descriptions

Signal Name Level I/O Pin No. Description

Management and Monitoring Ports

MDIO Open Drain I/O 17 Management Data I/O. Requires external 10 - 22 kΩ pull-up to the

APS on host.

Management Data Clock Input V

CMOS

V

CMOS

I

1

18

19 Port Address Input bit 4

MOD DETECT

I

O

20

14

Port Address Input bit 3

CMOS

V

CMOS

V

CMOS

V

CMOS

LASI Open Drain

Vendor Specific

I

I

I

21

22

23

Port Address Input bit 2

Port Address Input bit 1

Port Address Input bit 0

O 9

11,15,16,24

Link Alarm Status Interrupt Output.

Open Drain Compatible Output with

10 - 20 kΩ pull-up on host.

Logic high = Normal Operation

Logic low = Status Flag Triggered

Drain Input.

Open Drain Compatible Input with

22 kΩ pull-up to APS internal to transponder.

Logic high = Normal Operation

Logic low = RESET

Vendor Specific Pins.

Leave unconnected when not used.

TX ON/OFF Open Drain I 12 TX ON/OFF Input.

Open Drain Compatible Input with

22 kΩ pull-up to APS internal to transponder.

Logic high = Transmitter On

Logic low = Transmitter Off

Pulled low inside transponder through a 1 kΩ resistor to Ground

Transmit Functions

Reserved

Reserved

TX LANE 3–

TX LANE 3+

AC-coupled,

Internally biased differential

XAUI

TX LANE 2–

TX LANE 2+

TX LANE 1–

TX LANE 1+

TX LANE 0–

TX LANE 0+

I

I

I

I

I

I

I

I

I

67

65

64

62

61

59

58

56

55

Reserved For Future Use

Reserved For Future Use

Module XAUI Input Lane 3–

Module XAUI Input Lane 3+

Module XAUI Input Lane 2–

Module XAUI Input Lane 2+

Module XAUI Input Lane 1–

Module XAUI Input Lane 1+

Module XAUI Input Lane 0–

Module XAUI Input Lane 0+

© Finisar Corporation – August 2008 Rev. D1

Page 2

FTLX1841 Product Specification – August 2008

Receive Functions

Reserved

Reserved

O

O

38

39

RX LANE 0+

RX LANE 0–

AC-coupled,

Internally biased differential

XAUI

O

O

41

42

RX LANE 1+

RX LANE 1–

RX LANE 2+

RX LANE 2–

RX LANE 3+

RX LANE 3–

O

O

O

O

O

O

44

45

47

48

50

51

DC Power

GND 0 V DC

APS

APS SENSE

+1.2 V

+1.2 V

1, 2, 3, 33, 34,

35, 36, 37, 40,

43, 46, 49, 52,

53, 54, 57, 60,

63, 66, 69, 70

7, 8, 28, 29

27

APS SET 25

Reserved For Future Use

Reserved For Future Use

Module XAUI Output Lane 0+

Module XAUI Output Lane 0–

Module XAUI Output Lane 1+

Module XAUI Output Lane 1–

Module XAUI Output Lane 2+

Module XAUI Output Lane 2–

Module XAUI Output Lane 3+

Module XAUI Output Lane 3–

Ground connection for signal ground on the module

Input from Adaptive Power Supply

APS Sense Output. Connected to the

APS input inside transponder.

Feedback input from APS.

Connected to GND through a 1180Ω resistor inside the transponder.

DC Power Input, +3.3 V DC,

Nominal

DC Power Input, +5.0 V DC,

Nominal

Reserved for APD.

Reserved.

3.3 V

5.0 V

+3.3 V DC

+5.0 V DC

Reserved

Reserved

5, 6, 30, 31

4, 32

26

13

© Finisar Corporation – August 2008 Rev. D1

Page 3

FTLX1841 Product Specification – August 2008

Electrical Pad Layout

Fig 1-X2 Transponder Electrical Pad Layout

II. Absolute Maximum Ratings

Limit Values

Storage Ambient Temperature

1)

Operating Case Temperature

1)

Supply Voltage +5.0 V

Supply Voltage +3.3 V

Supply Voltage APS

Static Discharge Voltage, All Pins

2)

Peak Receive Optical Power

Average Receive Optical Power

T

S

-20 85 °C

T

C

V

5

V

3

V aps

ST d

Rx

P

0 70 °C

0 6 V

0 4 V

0 1.5 V

500 V peak

Rx

P max

-1 dBm

-1 dBm

Notes:

1) Non-condensing.

2) HBM.

Exceeding any one of these values may permanently destroy the device.

© Finisar Corporation – August 2008 Rev. D1

Page 4

FTLX1841 Product Specification – August 2008

III. Electrical Characteristics

Recommended Operating Conditions

Values

Operating Case Temperature

1)

Transponder Total Power

Consumption

Supply Voltage +5.0 V

Supply Current +5.0 V

Supply Voltage +3.3 V

Supply Current +3.3 V

Supply Voltage APS

Supply Current APS

T

C

0 70 °C

V

CC5

4.75 5.0 5.25 V

I

CC5

V

CC3

3.14 3.3 3.47 V

I

CC3

V

CC aps

I

CC aps

1.152 1.2 1.248 V

1)

Worst case thermal location, see Figure 2.

See also Environmental Performance.

Electrical DC Characteristics

(V

CC5

= 4.75 V to 5.25 V, V

CC3

= 3.14 V to 3.47 V, V

CC aps

= 1.152 V to 1.248 V, T

C

= 0°C to 70°C)

Values

1.2 V CMOS (1.8 V CMOS Compatible 1) ) I/O DC Characteristics

(PRTAD; LASI; RESET; TX_ONOFF)

External Pull-up Resistor for Open Drain

Output High Voltage

Output Low Voltage

2)

Input High Voltage

Input Low Voltage

2)

Input Pull-down Current

3)

R pullup

V oh

V ol

V ih

V il

I pd

10 22 kΩ

1 V

0.84 1.5 V

20 120 µA

XAUI I/O DC Characteristics (TXLANE[0..3]; RXLANE[0..3])

Differential Input Amplitude (pk-pk)

4)

Differential Output Amplitude (pk-pk)

4)

V in_xaui

V out_xaui

200 2500 mV

800 1600 mV

MDIO I/O DC Characteristics (MDIO; MDC)

Output Low Voltage

5)

Output Low Current

Input High Voltage

Input Low Voltage

Pull-up Supply Voltage

Input Capacitance

Load Capacitance

External Pull-up Resistance

C

R

V

OL

I

OL

V

IH

V

IL

V

PU

C

IN

–0.3 0.2 V

4 mA

0.84 1.5 V

–0.3 0.36 V

1.152 1.2 1.248 V

10 pF

LOAD

LOAD

470 pF

200 Ω

1)

For 1.8 V CMOS V oh

= 1.65 V min., V

2)

R pull-up

= 10 kΩ to 1.8 V.

3)

V

in

= 1.8 V.

4)

AC coupled.

5)

I

OL

= 100 µA.

ol

= 0.15 V max., V ih

= 1.17 V min., V il

= 0.63 V max.

© Finisar Corporation – August 2008 Rev. D1

Page 5

FTLX1841 Product Specification – August 2008

Electrical AC Characteristics

(V

CC5

= 4.75 V to 5.25 V, V

CC3

= 3.14 V to 3.47 V, V

CC aps

= 1.152 V to 1.248 V, T

C

= 0°C to 70°C)

Values

XAUI Input AC Characteristics (TXLANE[0..3])

Baud Rate

Ethernet

R

XAUIIN

3.125

Gbit/s

Baud Rate Tolerance

Differential Input Impedance

Differential Return Loss

1)

Input Differential Skew

2)

Jitter Amplitude Tolerance

3)

R

TOLXAUI

Z

INXAUI

80 100 120 Ω

|S

11

–100 100 ppm

| 10 dB t

SKEWIN

J

XAUITOL

75 ps

0.65 p-p

XAUI Output AC Characteristics (RXLANE[0..3])

Baud Rate

Ethernet

Baud Rate Variation

XAUI Eye Mask (far-end)

R

XAUIOUT

3.125

Gbit/s

R

XAUIVAR

–100 100 ppm

According to IEEE 802.3ae

Output Differential Skew

Output Differential Impedance

Differential Output Return Loss

Total Jitter

4)

TJ

Deterministic Jitter

4)

1) t

SKEWOUT

15 ps

Z

OUTXAUI

|S

22

DJ

| 10 dB

XAUI

XAUI

80 100 120 Ω

UI

Power-On Reset AC Characteristics

Power-On Reset and TX_ONOFF

Characteristics

According to XENPAK MSA Issue 3.0, 2002-9-18

MDIO I/O AC Characteristics (MDIO; MDC)

MDIO Data Hold Time t

HOLD

10 ns

MDIO Data Setup Time

Delay from MDC Rising Edge to

MDIO Data Change

MDC Clock Rate t

SU

10 ns t

DELAY

300 ns

ƒ

MAX

1)

100 MHz to 2.5 GHz.

2)

At crossing point.

3)

Per IEEE Std 802.3ae.

4)

At near-end, No pre-equalization, 1 UI = 320 ps.

© Finisar Corporation – August 2008 Rev. D1

Page 6

FTLX1841 Product Specification – August 2008

IV. Optical Characteristics

(V

CC5

= 4.75 V to 5.25 V, V

CC3

= 3.14 V to 3.47 V, V

CC aps

= 1.152 V to 1.248 V, T

C

= 0°C to 70°C)

Values

Transmitter

Average Launch Power

Center Wavelength Range

Side Mode Suppression Ratio

Extinction Ratio

P

O-Avg

λ

C-Tx

0 +4 dBm

1530 1565 nm

SMSR 30 dB

ER 9

Relative Intensity Noise

12

Eye Mask Definition

OMA RIN

Per IEEE 802.3ae dB

Receiver

Average Receiver Power

1)

Receiver Overload

Path Penalty at 1600 ps/nm @

10.3Gb/s

Receiver Damage Power Threshold

Receiver Reflectance

Center Wavelength Range

P

P

IN

-24 -7 dBm

IN-max

-7 dBm

DP 3 dB

P

IN-dmg

-1 dBm

REF

RX

λ

C-RX

-27 dB

1260 1565 nm

1)

Average Receiver Power (min) is defined at BER 1E-12 with PRBS31 or 10GbE source.

V. General Specifications

Optical Interface Standard Specifications

Standard

B1.1 SMF

B1.3 SMF

Differential Group Delay

Maximum (ps)

10

10

Operating Range (meters)

2 to 80,000

2 to 80,000

© Finisar Corporation – August 2008 Rev. D1

Page 7

FTLX1841 Product Specification – August 2008

Environmental Performance

Operating case temperature:

Operating humidity:

Fibers and Connectors

0°C to +70°C

0% -95% RH non-condensing

The transponder has SC receptacles for both Tx and Rx. The transponder is designed for single mode SC cables, 0° polished endface (PC).

70-pin Connector

The module interface connector is a 70-pin, printed circuit board edge connection with a

0.5 mm pitch. The appropriate mating connector for the customer PCB is a 70-pin SMT, dual row, right angled, edge connector, 0.5 mm pitch (Tyco Electronics part number

1367337-1, Molex part number 74441-0003 or equivalent).

Rail and Mechanical Mounting Requirements

The X2 rail system required to mount the X2 module is fully defined by the MSA.

(Tyco Electronics part number 1367608-1: designed for belly to belly applications; and 1367610-1, designed for single sided board mount to fit into the standard host PCB footprint; or equivalent). For further details please refer to vendor-supplied information.

Aqueous Wash

Finisar X2 transponders are neither solderable nor aqueous washable and are not intended for these processes.

VI. Regulatory Compliance

ESD:

Electrostatic Discharge to the

Electrical Pins (HBM)

Immunity:

Against Electrostatic Discharge

(ESD) to the Module Receptacle

EIA/JESD22-A114-B

(MIL-STD 883D

Method 3015.7)

EN 61000-4-2

IEC 61000-4-2

Class 1a (> 500 V)

Immunity:

Against Radio Frequency

Electromagnetic Field

Emission:

Electromagnetic Interference

(EMI)

EN 61000-4-3

IEC 61000-4-3

FCC 47 CFR

Part 15, Class B

EN 55022 Class B

CISPR 22

Discharges ranging from

±

2 kV to

±

25 kV to the front end / faceplate / receptacle cause no damage to module (under recommended conditions).

With a field strength of 10 V/m, noise frequency ranges from 10 MHz to 2 GHz. No effect on module performance between the specification limits.

Noise frequency range:

30 MHz to 40 GHz

Radiated emission does not exceed specified limits when measured with module inside a shielding enclosure with a MSA conforming cutout.

© Finisar Corporation – August 2008 Rev. D1

Page 8

FTLX1841 Product Specification – August 2008

Eye Safety

Finisar FTLX1841 transponders are Class 1 Laser Products. They are certified per the following standards:

Feature Agency

Laser Eye

Safety

Laser Eye

Safety

FDA/CDRH

Standard Certificate

Number

CDRH 21 CFR 1040 and Laser Notice 50 9210176-77

60825-1:

IEC 60825-1: 1993+A1:1997+A2:2001

IEC 60825-2: 2000, Edition 2

R 72052602

Electrical

Safety

Electrical

Safety

UL/CSA CLASS 3862.07

CLASS 3862.87

1439230

Copies of the referenced certificates will be available at Finisar Corporation upon request.

VII. DOM Parameters

Values

Parameter

Transponder Temperature Monitor Accuracy

1)

min. typ. max. Unit

-5

Laser Bias Current Monitor Accuracy

2)

Transmit Power Monitor Accuracy

3)

Receive Power Monitor Accuracy

3)

1)

0 to 70°C case temperature.

2) need EML range

3)

0 dBm to +4 dBm.

VIII. Mechanical Characteristics

Module Retention Force (latch strength)

Module Insertion Force

Module Extraction Force (with kick-out)

Module Extraction Force (without kick-out)

Pull Sleeve front face color is white.

Unit min. typ. max.

F

F

F

F

RET

N

IN

40 N

EXT-K

EXT

16 N

25 N

© Finisar Corporation – August 2008 Rev. D1

Page 9

FTLX1841 Product Specification – August 2008

Package Outline

Figure 2-X2 Mechanical Dimensions

IX. References

• 10G Ethernet ZR

• IEEE 802.3 ae Clause 45 & 47

• X2 MSA Issue 2.0b

X. For More Information

Finisar Corporation

1389 Moffett Park Drive

Sunnyvale, CA 94089-1133

Tel. 1-408-548-1000

Fax 1-408-541-6138 [email protected]

www.finisar.com

© Finisar Corporation – August 2008 Rev. D1

Page 10