DTR-1250-SM-LS-H7-M Optical Communication Products, Inc., DTR-1250-SM-LS-H7-M Datasheet

DTR-1250-SM-LS-H7-M

Manufacturer Part Number

DTR-1250-SM-LS-H7-M

Description

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

Manufacturer

Optical Communication Products, Inc.

Datasheet

1.DTR-1250-SM-LS-H7-M.pdf (5 pages)

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Description

The DTR-1250-SM-LC and DTR-1250-SM-LS 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.

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 DFB laser and an ultra high

Absolute Maximum Ratings

Input Voltage

Lead Soldering Temperature & Time

Storage Temperature

Operating Temperature

Supply Voltage

Output Current

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

Parameter

DTR-1250-SM-LC & DTR-1250-SM-LS

Optical Communication Products, Inc.

Symbol

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 0°C to +70°C. The

package is made of either conductive plastic or metal for

excellent EMI shielding.

Features

þ Compliant with IEEE 802.3z Gigabit Ethernet

þ Distance options of 10 km, 25 km, 40 km and

þ Eye Safe (Class I Laser Safety)

þ Excellent EMI & ESD protection

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

þ Duplex LC optical connector interface

þ Single +3.3 V supply & LV-PECL DATA

þ LV-TTL TX DISABLE input & RX SIGNAL

1000BASE-LX PMD specifications

70 km using DFB lasers also available

(optional extra EMI shield also available)

Factor) package style

interface (AC coupling option also available)

DETECT output

Minimum

- 40

Maximum

+ 5.0

+ 85

+ 70

260 C, 10 sec

21737-0326, Rev. A

Units

5-1-2000

Related parts for DTR-1250-SM-LS-H7-M

DTR-1250-SM-LS-H7-M Summary of contents

Page 1

... DTR-1250-SM-LC & DTR-1250-SM-LS 3.3V LC connector SFF Gigabit Ethernet 1300 & 1550 nm Laser Transceivers Description The DTR-1250-SM-LC and DTR-1250-SM-LS 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. In addition to option “L2” for the 5 km distance specified in IEEE 802 ...

Page 2

... DTR-1250-SM-LC & DTR-1250-SM-LS Transmitter Electrical Interface Parameter 1 Input HIGH Voltage Input LOW Voltage 1 Transmitter Disable Voltage Transmitter Enable Voltage 1 For AC-coupled modules, the input voltage swing is 0.25 V minimum and 1.2 V maximum single-ended. Receiver Electrical Interface Parameter 1,2 Output HIGH Voltage (LV-PECL) 1,2 Output LOW Voltage (LV-PECL) ...

Page 3

... PRBS at 1250 Mb/s at 1300 nm wavelength. Power supply and grounding: The power supply line should be well-filtered. All 0.1 mF 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

... For AC-coupled modules, please add suffix “AC” to the above Model Names. For example, the AC-coupled version of DTR-1250-SM-LC-L2 is DTR-1250-SM-LC-L2-AC. 2. For Metal Package modules, please add suffix “M” to the above Model Names. For example, the Metal Package version of DTR-1250-SM-LC-L2 and DTR-1250-SM-LC-L2-AC are DTR-1250-SM-LC-L2-M and DTR-1250-SM-LC-L2-AC-M. Optical Communication Products, Inc. ...

Page 5

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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