China Factory Wholesale 1.25g SFP Transceiver CWDM 80km LC Module

• Customization: Available
• Usage: Telephone, Computer, Workstation, Server, Data Center Enterprise, Communication Transmision
• Type: Data Transmission
• Model NO.: LADX-CWDM-1.25A
• Support Network: Ethernet
• Certification: CE, ISO, RoHS, FCC RoHS
• Condition: New
• Information: Data, Voice, Message
• Transport Package: Blister Pack
• Trademark: Linksall
• Origin: China
• HS Code: 8517706000
• Production Capacity: 100, 000 Per Year

Product Description

 

    SFP Pluggable, Duplex LC, +3.3V, 1270~1610nm, DFB-LD, DDMI
 

1. Features      

                                     

• 16 CWDM Wavelengths Available
• Hot-Pluggable Duplex LC Connector
• Single +3.3V Power Supply
• Operating Temperature from 0°C to +70°C
• Monitoring Interface, Compliant with SFF-8472
• Compliant with ITU-T G694.2

• Compliant with Telcordia (Bellcore) GR-468-CORE

• Designed to Meet Laser Class1 Compliant with IEC60825-1

• With Real Time Monitors of
  • Transmitter Output Power
  • Receiver Input Power
  • Laser Bias Current
  • Temperature
  • Supply Voltage
• RoHS Compliant

 

1. Applications

 

• Metro/Access Networks
• Gigabit Ethernet
• 1×Fiber Channel
• Other Optical Links

 

1. Description

    CWDM Transceiver products provide optical networking equipment manufacturers with a timely and cost effective tool in supporting the unceasing demand for higher bandwidth equipment build-outs in the enterprise access and metropolitan area networks. There are 8 center wavelengths available from 1470nm to 1610nm. The 20nm channel spacing allows for un-cooled laser operation, a high yield manufacturing process, and lower cost Mux/De-mux technology, thus providing a complete cost-effective solution for various data and telecom applications.
 

1. Specification

 

• Electrical and Optical Characteristics (Condition: Tc= T_op)

Parameter	Symbol		Min.		Typical		Max.		Unit
Transmitter Differential Input Voltage	+/-TX_DAT		200				2400		mV p-p
Supply Current	ICC				130		180		mA
Tx_Disable Input Voltage - Low	VIL		0				0.8		V
Tx_Disable Input Voltage - High	VIH		2.0				Vcc		V
Tx_Fault Output Voltage - Low	VOL		0				0.8		V
Tx_Fault Output Voltage - High	VOH		2.0				Vcc		V
Receiver Differential Output Volt	+/-RX_DAT		600				1400		mV p-p
Rx_LOS Output Voltage- Low	VOL		0				0.8		V
Rx_LOS Output Voltage- High	VOH		2.0				Vcc		V
TX
Parameter	Symbol	Min.		Typical		Max.		Unit
Data Rate	B	-		1.25		-		Gb/s
Output Center Wavelength(0~70°C)	lC	l-4		l		l+7.5		nm
Output Spectral Width	△l	-		-		1		nm
Average Output Power	PO	0		-		+5		dBm
Extinction Ratio	E.R.	10		-		-		dB
Rise and Fall Time (20~80%)	Tr	-				0.26		ns
Data Input Voltage-High	VIHS	Vcc-1.16		-		Vcc-0.89		V
Data Input Voltage -Low	VILS	Vcc-1.82		-		Vcc-1.48		V
Supply Current	ICC	-		-		120		mA
Output Optical Eye	Compliant with IEEE802.3
RX
Parameter	Symbol	Min.		Typical		Max.		Unit
Date Rate	B	-		1.25		-		Gb/s
Receive Sensitivity	S	-		-		-24		dBm
Maximum Input Power	Pmax	-3		-		-		dBm
Operating Wavelength	λc	1100		-		1620		nm
Signal Detect Threshold-Assertion:	SDHIGH					-26		dBm
Signal Detect Threshold-Deassertion:	SDLOW	-36						dBm
Hysteresis	-			2.0				dBm
Supply Current	ICC	-		-		100		mA
Rise and Fall Time (20~80%)	Tr/Tf					0.29		ns
Output High Voltage	VOH	Vcc-1.03		-		Vcc-0.89		V
Output Low Voltage	VOL	Vcc-1.82		-		Vcc-1.63		V
Alarm Output Interface	LV-TTL

 

• Absolute Maximum Ratings (T_C=25ºC)

Parameter	Symbol	Min.	Max.	Unit
Storage Temperature	Tst	-40	+85	°C
Operating Temperature	Top	0	+70	°C
Supply Voltage	Vcc	0	Vcc	V
Output Current	Io	0	30	mA

 

• Recommended Operating Environment

Parameter	Symbol	Min.	Max.	Unit
Supply Voltage	VCC	+3.1	+3.5	V
Ambient Operating Temperature	TA	0	70	°C

 

• Timing Characteristics

Parameter	Symbol	Min.	Typical	Max.	Unit
TX_DISABLE Assert Time	t_off		3	10	Usec
TX_DISABLE Negate Time	t_on		0.5	1	msec
Time to Initialize Include Reset of TX_FAULT	t_int		30	300	msec
TX_FAULT from Fault to Assertion	t_fault		20	100	Usec
TX_DISBEL Time to Start Reset	t_reset	10			Usec
Receiver Loss of Signal Assert Time (Off to On)	TA,RX_LOS			100	Usec
Receiver Loss of Signal Assert Time (On to Off)	Td,RX_LOS			100	Usec

 

• Digital Diagnostic Monitor Characteristics

Parameter	Min.	Unit
Tx Output Power Accuracy	±3.0	DBm
Rx Input Power Accuracy	±3.0	DBm
Laser Bias Current Accuracy	±1 0	%
Transceiver Internal Temperature Accuracy	±3.0	°C
Transceiver Internal Supply Voltage Accuracy	±0.1	V

 

1. Serial ID Memory Contents:

 

Data Address	Length (Byte)	Name of Length	Description and Contents
Base ID Fields
0	1	Identifier	Type of Serial transceiver (03h=SFP)
1	1	Reserved	Extended identifier of type serial transceiver (04h)
2	1	Connector	Code of optical connector type (07=LC)
3-10	8	Transceiver	Gigabit Ethernet 1000Base-SX & Fiber Channel
11	1	Encoding	8B10B (01h)
12	1	BR, Nominal	Nominal baud rate, unit of 100Mbps
13-14	2	Reserved	(0000h)
15	1	Length(9um)	Link length supported for 9/125um fiber, units of 100m
16	1	Length(50um)	Link length supported for 50/125um fiber, units of 10m
17	1	Length(62.5um)	Link length supported for 62.5/125um fiber, units of 10m
18	1	Length (Copper)	Link length supported for copper, units of meters
19	1	Reserved
20-35	16	Vendor Name	SFP vendor name
36	1	Reserved
37-39	3	Vendor OUI	SFP transceiver vendor OUI ID
40-55	16	Vendor PN	Part Number: "LAS24-xxxxxx" (ASCII)
56-59	4	Vendor rev	Revision level for part number
60-62	3	Reserved
63	1	CCID	Least significant byte of sum of data in address 0-62
Extended ID Fields
64-65	2	Option	Indicates which optical SFP signals are implemented (001Ah = LOS, TX_FAULT, TX_DISABLE all supported)
66	1	BR, max	Upper bit rate margin, units of %
67	1	BR, min	Lower bit rate margin, units of %
68-83	16	Vendor SN	Serial number (ASCII)
84-91	8	Date code	Manufacturing date code
92-94	3	Reserved
95	1	CCEX	Check code for the extended ID Fields (addresses 64 to 94)
Vendor Specific ID Fields
96-127	32	Readable	Specific date, read only

 

1. Serial ID Memory Contents: (A2H)

 

Address	# Bytes	Name	Description
00-01	2	Temp High Alarm	MSB at low address
02-03	2	Temp Low Alarm	MSB at low address
04-05	2	Temp High Warning	MSB at low address
06-07	2	Temp Low Warning	MSB at low address
08-09	2	Voltage High Alarm	MSB at low address
10-11	2	Voltage Low Alarm	MSB at low address
12-13	2	Voltage High Warning	MSB at low address
14-15	2	Voltage Low Warning	MSB at low address
16-17	2	Bias High Alarm	MSB at low address
18-19	2	Bias Low Alarm	MSB at low address
20-21	2	Bias High Warning	MSB at low address
22-23	2	Bias Low Warning	MSB at low address
24-25	2	TX Power High Alarm	MSB at low address
26-27	2	TX Power Low Alarm	MSB at low address
28-29	2	TX Power High Warning	MSB at low address
30-31	2	TX Power Low Warning	MSB at low address
32-33	2	RX Power High Alarm	MSB at low address
34-35	2	RX Power Low Alarm	MSB at low address
36-37	2	RX Power High Warning	MSB at low address
38-39	2	RX Power Low Warning	MSB at low address
40-55	16	Reserved	Reserved for future monitored quantities

 

Address	# Bytes	Name	Description
56-59	4	Rx_PWR(4)	Single precision floating point calibration data - Rx optical power. Bit 7 of byte 56 is MSB. Bit 0 of byte 59 is LSB.
60-63	4	Rx_PWR(3)	Single precision floating point calibration data - Rx optical power. Bit 7 of byte 60 is MSB. Bit 0 of byte 63 is LSB.
64-67	4	Rx_PWR(2)	Single precision floating point calibration data - Rx optical power. Bit 7 of byte 64 is MSB, bit 0 of byte 67 is LSB.
68-71	4	Rx_PWR(1)	Single precision floating point calibration data - Rx optical power. Bit 7 of byte 68 is MSB, bit 0 of byte 71 is LSB.
72-75	4	Rx_PWR(0)	Single precision floating point calibration data - Rx optical power. Bit 7 of byte 72 is MSB, bit 0 of byte 75 is LSB.
76-77	2	Tx_I(Slope)	Fixed decimal (unsigned) calibration data, laser bias current. Bit 7 of byte 76 is MSB, bit 0 of byte 77 is LSB.
78-79	2	Tx_I(Offset)	Fixed decimal (signed two's complement) calibration data, laser bias current. Bit 7 of byte 78 is MSB, bit 0 of byte 79 is LSB
80-81	2	Tx_PWR(Slope)	Fixed decimal (unsigned) calibration data, Transmitter coupled output power. Bit 7 of byte 80 is MSB, bit 0 of byte81 is LSB.
82-83	2	Tx_PWR(Offset)	Fixed decimal (signed two's complement) calibration data, transmitter coupled output power. Bit 7 of byte 82 is MSB, bit 0 of byte 83 is LSB.
84-85	2	T(Slope)	Fixed decimal (unsigned) calibration data, internal module temperature. Bit 7 of byte 84 is MSB, bit 0 of byte 85 is LSB.
86-87	2	T(Offset)	Fixed decimal (signed two's complement) calibration data, internal module temperature. Bit 7 of byte 86 is MSB, bit 0 of byte 87 is LSB.
88-89	2	V(Slope)	Fixed decimal (unsigned) calibration data, internal module supply voltage. Bit 7 of byte 88 is MSB, bit 0 of byte 89 is LSB.
90-91	2	V(Offset)	Fixed decimal (signed two's complement) calibration data, internal module supply voltage. Bit 7 of byte 90 is MSB. Bit 0 of byte 91 is LSB.
92-95	4	Reserved	Reserved

 

Byte	Bit	Name	Description
Converted analog values. Calibrated 16bit data
96	All	Temperature MSB	Internally measured module temperature.
97	All	Temperature LSB
98	All	Vcc MSB	Internally measured supply voltage in transceiver.
99	All	Vcc LSB
100	All	TX Bias MSB	Internally measured TX Bias Current.
101	All	TX Bias LSB
102	All	TX Power MSB	Measured TX output power.
103	All	TX Power LSB
104	All	RX Power MSB	Measured RX input power.
105	All	RX Power LSB
106	All	Reserved MSB	Reserved for 1st future definition of digitized analog input
107	All	Reserved LSB	Reserved for 1st future definition of digitized analog input
108	All	Reserved MSB	Reserved for 2nd future definition of digitized analog input
109	All	Reserved LSB	Reserved for 2nd future definition of digitized analog input
Optional Status/Control Bits
110	7	TX Disable State	Digital state of the TX Disable Input Pin. Not supported.
110	6	Soft TX Disable	Read/write bit that allows software disable of laser. Not supported.
110	5	Reserved
110	4	RX Rate Select State	Digital state of the SFP RX Rate Select Input Pin. Not supported.
110	3	Soft RX Rate Select	Read/write bit that allows software RX rate select.
			Not supported.
110	2	TX Fault	Digital state of the TX Fault Output Pin.
110	1	LOS	Digital state of the LOS Output Pin.
110	0	Data Ready	Indicates transceiver has achieved power up and data is ready
111	7-0	Reserved	Reserved.

 

Byte	Bit	Name	Description
Reserved Optional Alarm and Warning Flag Bits
112	7	Temp High Alarm	Set when internal temperature exceeds high alarm level.
112	6	Temp Low Alarm	Set when internal temperature is below low alarm level.
112	5	Vcc High Alarm	Set when internal supply voltage exceeds high alarm level.
112	4	Vcc Low Alarm	Set when internal supply voltage is below low alarm level.
112	3	TX Bias High Alarm	Set when TX Bias current exceeds high alarm level.
112	2	TX Bias Low Alarm	Set when TX Bias current is below low alarm level.
112	1	TX Power High Alarm	Set when TX output power exceeds high alarm level.
112	0	TX Power Low Alarm	Set when TX output power is below low alarm level.
113	7	RX Power High Alarm	Set when Received Power exceeds high alarm level.
113	6	RX Power Low Alarm	Set when Received Power is below low alarm level.
113	5	Reserved Alarm
113	4	Reserved Alarm
113	3	Reserved Alarm
113	2	Reserved Alarm
113	1	Reserved Alarm
113	0	Reserved Alarm
114	All	Reserved
115	All	Reserved
116	7	Temp High Warning	Set when internal temperature exceeds high warning level.
116	6	Temp Low Warning	Set when internal temperature is below low warning level.
116	5	Vcc High Warning	Set when internal supply voltage exceeds high warning level.
116	4	Vcc Low Warning	Set when internal supply voltage is below low warning level.
116	3	TX Bias High Warning	Set when TX Bias current exceeds high warning level.
116	2	TX Bias Low Warning	Set when TX Bias current is below low warning level.
116	1	TX Power High Warning	Set when TX output power exceeds high warning level.
116	0	TX Power Low Warning	Set when TX output power is below low warning level.
117	7	RX Power High Warning	Set when Received Power exceeds high warning level.
117	6	RX Power Low Warning	Set when Received Power is below low warning level.
117	5	Reserved Warning
117	4	Reserved Warning
117	3	Reserved Warning
117	2	Reserved Warning
117	1	Reserved Warning
117	0	Reserved Warning
118	All	Reserved
119	All	Reserved

 

Byte	# Byte	Name	Description
120-127	8	Vendor Specific	00h.
128-255	128		Writable Memory