Delta LCP-1250 CWDM - Manual
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Table of Contents:
- Page 2 – Absolute Maximum Ratings; Recommended Operating Conditions; Electrical Characteristics; Parameter Symbol; Transmitter; Receiver
- Page 3 – Optical Characteristics
- Page 4 – Mask of the eye diagram for the optical transmit signal; Recommend Circuit Schematic; SerDes IC; * Depands on SerDes IC used
- Page 5 – Pin
- Page 7 – SFP timing parameters for SFP management; Parameter
- Page 8 – Package Outline Drawing
- Page 9 – Enhanced Digital Diagnostic Interface; Digital Diagnostic Memory Map Specific Data Field Descriptions
- Page 11 – Digital Diagnostic Monitoring Interface; Address
- Page 12 – : Sensitivity optical power of receiver.; Optional Set of Alarm and Warning; Digital Diagnostic Monitor Accuracy
- Page 13 – Regulatory Compliance; Test Item; Electromagnetic Interference
- Page 14 – Ordering information for SFP modules; BX
DELTA ELECTRONICS, INC.
1 2008/1/15
Rev. 0A
www.deltaww.com
RoHS Compliant Multi-Rate CWDM SFP Transceiver for GbE and
Fiber Channel with DDM Function
FEATURES
Compliant with SFP Transceiver SFF-8472
MSA specification with internal calibration
Multi-rate operation from 125 to 1250Mpbs
Single + 3.3V Power Supply and TTL Logic
Interface
8 Wavelength
(λ)
Uncooled CWDM DFB laser
LD transmitter
EEPROM with Serial ID Functionality
Laser Class 1 Product which comply with the
requirements of IEC 60825-1 and IEC 60825-2
Duplex LC Connector interface
Description
The LCP-1250 CWDM series are designed
for coarse wavelength division multiplexing
applications (CWDM) and hot pluggable SFP
transceiver modules that data rates up to 1.25Gb/s.
The LCP-1250 CWDM series are support GbE
(1.25Gb/s) and 1x Fiber channel (1.062Gb/s). The
selectiveness of center wavelength has 1470,
1490, 1510, 1530, 1550, 1570, 1590, and 1610 nm.
The LCP-1250 CWDM series are designed to
be compliant with SFF-8472 SFP Multi-source
Agreement (MSA) with digital diagnostic
monitoring functions: Temperature, V
CC
, TX
optical power, TX laser bias current, and RX
received optical power.
The post-amplifier of the LCP-1250 CWDM
series also includes a Loss of Signal (LOS) circuit
that provides a TTL logic-high output when the
received optical level is below a preset LOS
Assert threshold.
Applications
Gigabit Ethernet
Switch to Switch interface
Switched backplane applications
File server interface
Performance
LCP-1250D4MxxRB: 1470nm to 1610nm CWDM
DFB laser transmitter and PIN receiver, 19dB
link budget
LCP-1250D4RxxRB: 1470nm to 1610nm CWDM
DFB laser transmitter and PIN receiver, 24dB
link budget
LCP-1250D4VxxRB: 1470nm to 1610nm CWDM
DFB laser transmitter and APD receiver, 30dB
link budget
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Summary
DELTA ELECTRONICS, INC. 2 2008/1/15 Rev. 0A www.deltaww.com Absolute Maximum Ratings Parameter Symbol Min. Typ. Max. Unit Note Storage Temperature Ts -40 85 ºC Supply Voltage V CC 0 5 V Recommended Operating Conditions Parameter Symbol Min. Typ. Max. Unit Note Case Operating Temperature T C -5 70 ºC...
DELTA ELECTRONICS, INC. 3 2008/1/15 Rev. 0A www.deltaww.com Optical Characteristics Transmitter (V CC =3.3V ± 5%, Data Rate=1250Mb/sec, PRBS=2 7 -1 NRZ) Parameter Symbol Min. Typ. Max. Unit Note Output Optical Power (Avg.) LCP-1250D4MxxRB LCP-1250D4RxxRB LCP-1250D4VxxRB P -5 0 0 0 +5 +5 dBm Optical ...
DELTA ELECTRONICS, INC. 4 2008/1/15 Rev. 0A www.deltaww.com Mask of the eye diagram for the optical transmit signal Recommend Circuit Schematic Laser Diode Photo Diode 1uH 1uH 0.1uF 10uF 0.1uF 0.01uF 0.01uF 0.01uF 0.01uF 0.1uF 10uF RES1 RES1 100 Ohms* RES1 RES1 RES1 10k Ohms 100 Ohms VCC Protocol Vc...
