dtr-1250-sm-lc-mr OPLINK Communications Inc., dtr-1250-sm-lc-mr Datasheet

dtr-1250-sm-lc-mr

Manufacturer Part Number

dtr-1250-sm-lc-mr

Description

3.3v Lc Connector Sff Gigabit Ethernet 1300 Nm & 1550 Nm Multirate Laser Transceivers

Manufacturer

OPLINK Communications Inc.

Datasheet

1.DTR-1250-SM-LC-MR.pdf (6 pages)

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OCP

Description

The DTR-1250-SM-LC-MR and DTR-1250-SM-LS-MR fiber

optic transceivers offer a simple and convenient way to interface

1000BASE-LX Gigabit Ethernet boards running at 1.25 Gbaud

to single mode and multimode fiber optic cables. The multi-rate

transceiver operates at Fast Ethernet data rate 125 Mbps to

Gigebit Ethernet 1.25 Gbps. In addition to option “L2” for the

5 km distance specified in IEEE 802.3z standard, five other

options with longer distance capability with single mode fibers

are offered. In option “L1”, a 1300 nm Fabry Perot laser with

higher power and narrower spectral width and center

wavelength range is used to increase the distance to at least

10 km. In option “L0”, an even higher power 1300 nm Fabry

Perot laser is used to offer more optical power budget. In option

“H3”, a 1300 nm DFB laser and a high sensitivity receiver are

used to increase the distance to over 25 km or 30 km (assuming

worst case fiber loss of 0.4 dB/km and 0.35 dB/km respectively).

In option “H5”, a 1550 nm DFB laser and a high sensitivity

receiver are used to increase the distance to over 35 km or

40 km (assuming worst case fiber loss of 0.3 and 0.25 dB/km

respectively). Finally, in option “H7”, a high power 1550 nm

Absolute Maximum Ratings

Storage Temperature

Operating Case Temperature

Supply Voltage

Input Voltage

Output Current

Lead Soldering Temperature & Time

3.3V LC connector SFF Gigabit Ethernet 1300 nm & 1550 nm

Parameter

Optical Communication Products, Inc.

DTR-1250-SM-LC/LS-MR

"Blank" option

"A" option

Multirate Laser Transceivers

Symbol

Features

! Data rate applications from 125 Mbps to 1300 Mbps

! Compliant with IEEE 802.3z Gigabit Ethernet

! Distance options of 10 km, 25 km, 40 km and 70 km

! Eye Safe (Class I Laser Safety)

! Excellent EMI & ESD protection (optional extra EMI

! Multi-sourced 10-pin (2x5) SFF (Small Form Factor)

! -40 °C to +85 °C Operating Temperature (“A” option)

! Duplex LC optical connector interface

! Single +3.3 V supply & LV-PECL DATA interface

! LV-TTL TX DISABLE input & RX SIGNAL DETECT

DFB laser and an ultra high sensitivity receiver are used to

increase the distance to 70 km (assuming fiber loss of 0.2 to

0.25 dB/km). All modules satisfy Class I Laser Safety

requirements in accordance with the US FDA/CDRH and

international IEC-825 standards.

The transmit and receive functions are contained in a narrow

width two-row, 10-pin (2x5) package with a Duplex LC

connector interface. The receptacle fits into an RJ-45 form

factor outline. The 10-pin configuration is in conformance to

a Small Form Factor (SFF) multisource agreement.

The transmitter and receiver DATA interface are differential

direct-coupled LV-PECL. An alternate version with

AC coupling interface is also available. An LV-TTL Transmitter

Disable control input is provided. The receiver Signal Detect

output interface is also LV-TTL.

The transceiver operates from a single +3.3V power supply

over an operating temperature range of -5 °C to +70 °C and

-40 °C to +85 °C (“A” option). The package is made of metal for

excellent EMI shielding.

1000BASE-LX PMD specifications

shield also available)

package style

(AC coupling option also available)

output

Minimum

- 5.0

- 40

Maximum

+ 5.0

+ 85

+ 70

260°C, 10 sec

21737-0337, Rev. A

Units

°C

5-16-2002

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dtr-1250-sm-lc-mr Summary of contents

Page 1

... OCP 3.3V LC connector SFF Gigabit Ethernet 1300 nm & 1550 nm Description The DTR-1250-SM-LC-MR and DTR-1250-SM-LS-MR fiber optic transceivers offer a simple and convenient way to interface 1000BASE-LX Gigabit Ethernet boards running at 1.25 Gbaud to single mode and multimode fiber optic cables. The multi-rate transceiver operates at Fast Ethernet data rate 125 Mbps to Gigebit Ethernet 1.25 Gbps. In addition to option “ ...

Page 2

... SIGNAL DETECT: The Signal Detect circuit monitors the level of the incoming optical signal and generates a logic LOW signal when insufficient photocurrent is produced. Its output is LV-TTL with no termination required. 21737-0337, Rev. A 5-16-2002 DTR-1250-SM-LC/LS-MR (over Operating Case Temperature Range) Symbol Minimum 1.165 IH ...

Page 3

... Power supply and grounding: The power supply line should be well-filtered. All 0.1 µF power supply bypass capacitors should be as close to the DTR transceiver module as possible. The two front GND posts (mounting studs) should be grounded to Chassis Ground for best EMI and ESD protection. ...

Page 4

... Notes: 1. Default tolerance for all dimensions given in inches (Unless otherwise noted) .xxx = +0.005 .xx = +0.01 2. *x, *y: see Pin length option table in ordering information 21737-0337, Rev. A 5-16-2002 DTR-1250-SM-LC/LS-MR 48.44 1.907 10.54 .415 *y 18.54 .730 1.02 2. .040 .100 10 1 0.76 .030 17.78 .700 48 ...

Page 5

... GND 8 TX DISABLE 9 TD+ (TX DATA TD- (TX DATA IN -) DTR-1250 - Package Types LC: Package without Shield LS: Package With Shield Light Output Power L2: -7dBm (typ.), (5km) L1: -6dBm (typ.), (10km) L0: -3dBm (typ.), (10km) H3: -1dBm (typ.), ( 1300 nm DFB laser) H5: -2dBm (typ.), ( 1550 nm DFB laser) H7: -1dBm (typ ...

Page 6

Description ................................................................................................................................... 1 Absolute Maximum Ratings ........................................................................................................ 1 Transmitter Electrical Interface (over Operating Case Temperature Range) ....................... 2 Receiver Electrical Interface (over Operating Case Temperature Range) ............................. 2 Electrical Power Supply Characteristics (over Operating Case Temperature Range) ......... 2 Application ...

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