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DTR-1250-SM-LC-MR

Description
Multirate Laser Transceivers
File Size111KB,6 Pages
ManufacturerOplink(Molex)
Websitehttp://www.oplink.com
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DTR-1250-SM-LC-MR Overview

Multirate Laser Transceivers

OCP
©
DTR-1250-SM-LC/LS-MR
3.3V LC connector SFF Gigabit Ethernet 1300 nm & 1550 nm
Multirate Laser Transceivers
Features
!
Data rate applications from 125 Mbps to 1300 Mbps
!
Compliant with IEEE 802.3z Gigabit Ethernet
1000BASE-LX PMD specifications
!
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
shield also available)
!
Multi-sourced 10-pin (2x5) SFF (Small Form Factor)
package style
!
-40 °C to +85 °C Operating Temperature (“A” option)
!
Duplex LC optical connector interface
!
Single +3.3 V supply & LV-PECL DATA interface
(AC coupling option also available)
!
LV-TTL TX DISABLE input & RX SIGNAL DETECT
output
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
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.
Symbol
T
st
Minimum
- 40
- 40
- 5.0
0
0
-
-
Maximum
+ 85
+ 85
+ 70
+ 5.0
V
CC
50
260°C, 10 sec
21737-0337, Rev. A
5-16-2002
Absolute Maximum Ratings
Parameter
Storage Temperature
Operating Case Temperature
Supply Voltage
Input Voltage
Output Current
Lead Soldering Temperature & Time
"A" option
"Blank" option
Units
°C
°C
V
V
mA
T
op
V
CC
V
in
I
O
-
Optical Communication Products, Inc.
1

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