Comelink Come-SFP-Ge-Lx-B20 1.25GB/S Sm 20km SFP Transceiver

• Customization: Available
• Type: Gepon Ont ONU
• Certification: ISO9001
• Model NO.: SFP-GE-LX-B20
• Interface: 24*1000m Base-X SFP/10ge SFP+2*40g Qsfp/2*100g Qsf
• Use: FTTX
• Chip Solution: Centeg Ctc713 Series
• Exchange Capacity: 880gbps
• Color: Black
• Packet Forwarding Rate: 654mpps
• Mac: 16
• Material: Plastic
• Warranty Time: 1 Year
• Power: AC:100~240V 47163Hz;DC: 36V-75V
• Power Consumption: <125W
• Weight: 3.5kg
• Transport Package: Inner Carton+Outer Carton
• Specification: 440x320x43.6
• Trademark: KEXINT
• Origin: Guangdong, China
• Production Capacity: 50000 Piece/Pieces Per Month
• Package Size: 10.00cm * 10.00cm * 6.00cm
• Package Gross Weight: 1.000kg

Product Description

Products Description

COME-SFP-GE-LX-B20 high performance, cost-effective 1.25G BiDi SFP transceiver complies with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA). It provides Digital diagnostics functions via a 2-wire serial interface as specified in SFF-8472. It adopts high-performance FP/DFB transmitter and high-sensitivity PIN receiver, provides up to 14dB link budge for Gigabit Ethernet applications up to 20km on a single core single mode fiber.

Features

1.  Up to 1.25Gb/s Data Links 
2. Hot-Pluggable
3.  Simplex LC connector; SC optional
4. 1310nm FP or 1490/1550nm DFB transmitter, PIN photo-detector
5.  20km on a single-core SMF

6.2-wire interface for management specifications compliant with SFF 8472 digital diagnostic monitoring interface
7. Power Supply:+3.3V
8. Power consumption<1W
9.  Temperature Range: 0~ 70°C, -40°C to 85°C/-5°C to 85°C available
10. RoHS compliant

Application

      1.  1000Base-LX Ethernet
      2.   Metro/Access Networks
      3.  1G Fibre Channel
      4.   Other Optical Links

Ordering Information

Part Number	Data Rate	Distance	Wavelength	Laser	Fiber	DDM	Connector
COME-SFP-GE-B20-35	1.25Gb/s	20km	TX1310nm/RX1550nm	FP/PIN	SM	Yes	Simplex LC
COME-SFP-GE-B20-53	1.25Gb/s	20km	TX1550nm/RX1310nm	DFB/PIN	SM	Yes	Simplex LC
COME-SFP-GE-B20-35-SC	1.25Gb/s	20km	TX1310nm/RX1550nm	FP/PIN	SM	Yes	Simplex SC
COME-SFP-GE-B20-53-SC	1.25Gb/s	20km	TX1550nm/RX1310nm	DFB/PIN	SM	Yes	Simplex SC
COME-SFP-GE-B20-34	1.25Gb/s	20km	TX1310nm/RX1490nm	FP/PIN	SM	Yes	Simplex LC
COME-SFP-GE-B20-43	1.25Gb/s	20km	TX1490nm/RX1310nm	DFB/PIN	SM	Yes	Simplex LC
COME-SFP-GE-B20-34-SC	1.25Gb/s	20km	TX1310nm/RX1490nm	FP/PIN	SM	Yes	Simplex SC
COME-SFP-GE-B20-43-SC	1.25Gb/s	20km	TX1490nm/RX1310nm	DFB/PIN	SM	Yes	Simplex SC

 
"-E" for extended temperature-5°Cto 85°C;
"-I" for extended temperature -40°C to 85°C.

 Absolute Maximum Ratings

Parameter	Symbol	Min.	Typical	Max.	Unit
StorageTemperature	TS	-40		+85	°C
SupplyVoltage	VCCT, R	-0.5		4	V
RelativeHumidity	RH	0		85	%

 

Recommended Operating Environment:

Parameter		Symbol	Min.	Typical	Max.	Unit
CaseoperatingTemperature	Industrial	TC	-40		85	°C
	Extended		-5		85	°C
	Commercial		0		+70	°C
SupplyVoltage		VCC	3.135		3.465	V
Supply Current		Icc			300	mA
Inrush Current		Isurge			Icc+30	mA
Maximum Power		Pmax			1	W

 

Electrical Characteristics (TOP = 0 to70 °C, VCC = 3.135 to 3.465 Volts)

Parameter	Symbol	Min.	Typical	Max.	Unit	Note
Transmitter Section:
Input differential impedance	Rin	90	100	110
Single ended data input swing	Vin PP	250		1200	mVp-p
Transmit Disable Voltage	VD	Vcc - 1.3		Vcc	V	2
Transmit Enable Voltage	VEN	Vee		Vee+ 0.8	V
Transmit Disable Assert Time	Tdessert			10	us
Receiver Section:
Single ended data output swing	Vout,pp	300		800	mv	3
LOS Fault	Vlosfault	Vcc - 0.5		VCC_host	V	5
LOS Normal	Vlos norm	Vee		Vee+0.5	V	5
Power Supply Rejection	PSR	100			mVpp	6

Notes: 1. AC coupled.                2. Or open circuit.        3. Into 100 ohm differential termination.        4. 20 - 80 %
5. LOS is LVTTL. Logic 0 indicates normal operation; logic 1 indicates no signal detected.
6. All transceiver specifications are compliant with a power supply sinusoidal modulation of 20 Hz to 1.5MHz up to specified value applied through the power supply filtering network shown on page 23 of the Small Form-factor Pluggable (SFP) Transceiver Multi-Source Agreement (MSA), September 14, 2000.
 

 Optical Parameters (T_OP = 0 to70°C, VCC = 3.135 to 3.465 Volts)

Parameter		Symbol	Min.	Typical	Max.	Unit	Note
Transmitter Section:
Center Wavelength	COME-SFP-GE-B20-35	λc	1290	1310	1330	nm
	COME-SFP-GE-B20-34		1290	1310	1330
	COME-SFP-GE-B20-53		1530	1550	1570
	COME-GE-B20-43		1470	1490	1510
Spectral Width(RMS)		σRMS			4	nm
Optical Output Power		Pout	-9		-3	dBm	1
Extinction Ratio		ER	9			dB
Optical Rise/Fall Time		tr / tf			260	ps	2
Relative Intensity Noise		RIN			-120	dB/Hz
Total Jitter Contribution		TXΔ TJ			0.284	UI	3
Eye Mask for Optical Output		Compliant with IEEE802.3 z (class 1 laser safety)
Receiver Section:
Optical Input Wavelength	COME-SFP-GE-B20-35	λc	1530	1550	1570	nm
	COME-SFP-GE-B20-34		1470	1490	1510
	COME-SFP-GE-B20-53		1290	1310	1330
	COME-SFP-GE-B20-43		1290	1310	1330
ReceiverOverload		Pol	-3			dBm	4
RXSensitivity		Sen			-23	dBm	4
RX_LOS Assert		LOS A	-35			dBm
RX_LOS De-assert		LOS D			-25	dBm
RX_LOS Hysteresis		LOS H	0.5			dB
General Specifications:
Data Rate		BR		1.25		Gb/s
Bit Error Rate		BER			10^-12
Max. Supported Link Length on 9/125μm [email protected]/s		LMAX		20		km
Total System Budget		LB	14			dB

Diagram of Host Board Connector Block Pin Numbers and Name

  Pin Function Definitions

Pin No	Name	Function	Plug Seq	Notes
1	VeeT	Transmitter Ground	1	1
2	TX Fault	Transmitter Fault Indication	3
3	TX Disable	Transmitter Disable	3	2
4	MOD-DEF2	Module Definition	2	3
5	MOD-DEF1	Module Definition 1	3	3
6	MOD-DEF0	Module Definition 0	3	3
7	Rate Select	Not Connected	3	4
8	LOS	Loss of Signal	3	5
9	VeeR	Receiver Ground	1	1
10	VeeR	Receiver Ground	1	1
11	VeeR	Receiver Ground		1
12	RD-	Inv. Received Data Out	3	6
13	RD+	Received Data Out	3	6
14	VeeR	Receiver Ground	3	1
15	VccR	Receiver Power	2	1
16	VccT	Transmitter Power	2
17	VeeT	Transmitter Ground	1
18	TD+	Transmit Data In	3	6
19	TD-	Inv. Transmit In	3	6
20	VeeT	Transmitter Ground	1

 

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
11	1	Encoding	NRZ(03h)
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 of100m
16	1	Length(50um)	Link length supported for 50/125um fiber, units of10m
17	1	Length(62.5um)	Link length supported for 62.5/125um fiber, units of10m
18	1	Length(Copper)	Link length supported for copper, units of meters
19	1	Reserved
20-35	16	Vendor Name	SFP vendor name: COMELINK
36	1	Reserved
37-39	3	Vendor OUI	SFP transceiver vendor OUI ID
40-55	16	Vendor PN	Part Number: "COME-SFP-GE-B20-xx" (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	COMELINK's 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	COMELINK specific date, read only
128-255	128	Reserved	Reserved for SFF-8079

 Digital Diagnostic Monitor Characteristics

Data Address	Parameter	Accuracy	Unit
96-97	Transceiver Internal Temperature	±3.0	°C
100-101	Laser Bias Current	±10	%
100-101	Tx Output Power	±3.0	dBm
100-101	Rx Input Power	±3.0	dBm
100-101	VCC3 Internal Supply Voltage	±3.0	%

 Regulatory Compliance

Electrostatic Discharge (ESD) to the Electrical Pins	MIL-STD-883E Method 3015.7	Class 1(>1000 V)
Electrostatic Discharge (ESD) to the Single LC Receptacle	IEC 61000-4-2 GR-1089-CORE	Compatible with standards
Electromagnetic Interference (EMI)	FCC Part 15 Class B EN55022 Class B (CISPR 22B) VCCI Class B	Compatible with standards
Laser Eye Safety	FDA 21CFR 1040.10 and 1040.11 EN60950, EN (IEC) 60825-1,2	Compatible with Class 1 laser product.

 

 

 

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