User's Manual

ManualsBrandsDelta ManualsSwitchDelta Sonet OC-48/SDH

DELTA ELECTRONICS, INC.

1 Dec., 2006

Rev. 0E

www.deltaww.com

RoHS Compliant Multi-Rate CWDM SFP Transceiver for SONET

OC-48/SDH STM-16 with DDM Function

FEATURES

z Compliant with SFP Transceiver SFF-8472

MSA specification with internal calibration

z Multi-rate operation from 125 to 2670Mpbs

z Single + 3.3V Power Supply and TTL Logic

Interface

z Uncooled DFB laser transmitter and APD

receiver

z Eight CWDM wavelength available

z EEPROM with Serial ID Functionality

z Laser Class 1 Product which comply with the

requirements of IEC 60825-1 and IEC 60825-2

z Duplex LC Connector interface

Description

The LCP-2488 CWDM series are designed

for coarse wavelength division multiplexing

applications (CWDM) and hot pluggable SFP

transceiver modules that data rates up to 2.67Gb/s.

The LCP-2488 CWDM series are support OC-48/

STM-16 as well as 2x Fiber channel (2.125Gb/s),

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 1610nm.

The LCP-2488 CWDM series are designed to

be compliant with SFF-8472 SFP Multi-source

Agreement (MSA) with digital diagnostic

monitoring functions: Temperature, V

, TX

optical power, TX laser bias current, and RX

received optical power.

The post-amplifier of the LCP-2488 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

z ATM switches and routers

z SONET/SDH switch infrastructure

z xDSL applications

z Gigabit Ethernet

z Switch to Switch interface

z Switched backplane applications

z File server interface

Performance

z LCP-2488D4RxxR: 1470nm to 1610nm CWDM

DFB laser transmitter and APD receiver, 28dB

link budget

Summary of content (14 pages)

PAGE 1
RoHS Compliant Multi-Rate CWDM SFP Transceiver for SONET OC-48/SDH STM-16 with DDM Function FEATURES z Compliant with SFP Transceiver SFF-8472 MSA specification with internal calibration z Multi-rate operation from 125 to 2670Mpbs z Single + 3.
PAGE 2
Absolute Maximum Ratings Parameter Storage Temperature Supply Voltage Symbol Ts VCC Min. -40 0 Typ. Max. 85 5 Unit ºC V Note Min. -5 3.135 Typ. Max. 70 3.465 Unit ºC V Mbps Note 1 Unit Note Recommended Operating Conditions Parameter Case Operating Temperature Supply Voltage Data Rate Symbol TC VCC 2488 Note 1: See order information Electrical Characteristics (VCC=3.3V ± 5%) Parameter Symbol Min. Typ. Max.
PAGE 3
Optical Characteristics Transmitter (VCC=3.3V ± 5%, Data Rate=2488Mb/sec, PRBS=223-1 NRZ) Parameter Symbol Min. Typ. Max. Unit Note Output Optical Power (Avg.) P dBm 0 +5 Optical Extinction Ratio ER 8.2 dB Center Wavelength 1470 1477.5 1464.5 LCP-2488D4x47R 1490 1497.5 1484.5 LCP-2488D4x49R 1510 1517.5 1504.5 LCP-2488D4x51R λC nm 1530 1537.5 1524.5 LCP-2488D4x53R 1550 1557.5 1544.5 LCP-2488D4x55R 1570 1577.5 1564.5 LCP-2488D4x57R 1590 1597.5 1584.5 LCP-2488D4x59R 1610 1617.5 1604.
PAGE 4
1.25 Amplitude 1.00 Mean level of logical “1” 0.75 0.25 0.00 Mean level of logical “0” -0.25 Time Optical Pulse Mask with Bessel Filter Specified in ITU-T G.957 Mask of the eye diagram for the optical transmit signal Recommend Circuit Schematic VCC 1uH 3.3V DELTA SFP Module Protocol Vcc 1uH RES1 10uF 0.1uF 0.1uF VccT 10k Ohms Tx_Disable Tx_Disable Tx_Fault Tx_Fault TD + 0.01uF 100 Ohms Laser Driver Laser Diode TD - Protocol IC 0.01uF VeeT SerDes IC VccR RES1 10uF 0.
PAGE 5
SFP Transceiver Electrical Pad Layout Pin Function Definitions Plug Seq. 1 3 Pin Num. 1 2 VeeT TX Fault 3 TX Disable Transmitter Disable 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 MOD-DEF2 MOD-DEF1 MOD-DEF0 Rate Select LOS VeeR VeeR VeeR RDRD+ VeeR VccR VccT VeeT TD+ TDVeeT Module Definition 2 Module Definition 1 Module Definition 0 Not Connect Loss of Signal Receiver Ground Receiver Ground Receiver Ground Inv.
PAGE 6
Notes: 1) TX Fault is an open collector/drain output, which should be pulled up with a 4.7K – 10KΩ resistor on the host board. Pull up voltage between 2.0V and VccT, R+0.3V. When high, output indicates a laser fault of some kind. Low indicates normal operation. In the low state, the output will be pulled to < 0.8V. 2) TX disable is an input that is used to shut down the transmitter optical output. It is pulled up within the module with a 4.7 – 10 K Ω resistor. Its states are: Low (0 – 0.
PAGE 7
SFP timing parameters for SFP management Parameter TX_DISABLE Assert time TX_DISABLE Negate time Time to initialize, including reset of TX_FAULT TX Fault Assert Time TX_DISABLE to reset LOS Assert Time LOS Deassert Time Serial ID Clock Rate Symbol t_off t_on Min. t_init t_fault t_rest t_loss_on t_loss_off f_serial_clock Max.
PAGE 8
Package Outline Drawing 8 DELTA ELECTRONICS, INC. Dec., 2006 Rev. 0E www.deltaww.
PAGE 9
Enhanced Digital Diagnostic Interface The memory map in the following describes an extension to the memory map defined in SFP MSA. The enhanced interface uses the two wire serial bus address 1010001X(A2h) to provide diagnostic information about the module’s present operating conditions.
PAGE 10
EEPROM Serial ID Memory Contents (2-Wire Address A0h) Address 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 Hex 03 04 07 00 0C 00 00 00 00 00 00 05 19 00 50 FF 00 00 00 00 44 45 4C 54 41 20 20 20 20 20 20 20 20 20 20 20 00 00 00 00 PN PN PN ASCII Note 1 Note 2 Note 3 D E L T A Note4 Address 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85
PAGE 11
8) Byte 84-91: Date code. 9) Byte 95: Check sum of bytes 64-94. 10) Byte 128 to 255 had been set hex 00.
PAGE 12
PS: Sensitivity optical power of receiver. 5) Byte 95 contains the low order 8bits of sum of bytes 0-94. 6) State/ Control Bits Byte 110 110 110 110 110 110 110 110 Bit 7 6 5 4 3 2 1 0 Name Tx Disable State Soft Tx Disable Reserved Rate Select tate Soft Rate Select Tx Fault LOS Data_Ready_Bar Description Digital state of the Tx disable input pin Read/ Write bit that allow software disable of laser NA NA Digital state of the Tx fault output pin Digital state of the LOS output pin.
PAGE 13
1) Temperature is measured internal to the transceiver. 2) Voltage is measured internal to the transceiver. Regulatory Compliance Test Item Reference (#1) FCC Class B Electromagnetic Interference EN 55022 Class B EMC CISPR 22 (#2) Immunity： Qty’ 5 EN 61000-4-3 Radio Frequency Electromagnetic Field IEC 1000-4-3 (#3) Immunity： EN 61000-4-2 Electrostatic Discharge to the Duplex SC Receptacle IEC 1000-4-2 Evaluation 5 (1) Satisfied with electrical characteristics of product spec.
PAGE 14
Ordering information LCP-2488D4 X1 X2 X3 X4 X1: Link Budget X2: Wavelength R: 28dB 47: Single-mode 1470nm 49: Single-mode 1490nm 51: Single-mode 1510nm 53: Single-mode 1530nm 55: Single-mode 1550nm 57: Single-mode 1570nm 59: Single-mode 1590nm 61: Single-mode 1610nm X3: RoHS Compliance R: RoHS Compliant X4: Temperature Blank: -5 to +70 degree C H: -10 to +85 degree C T: -40 to +85 degree C Revision History Rev 0A 0B 0C 0D 0E Date Jun., 2006 Aug., 2006 Aug., 2006 Contents First release.