1250Mbps 1550nm Single Mode 160 SFP Transceive BT-SFP-IG160-1.25G

Specification

Absolute Maximum Ratings

 

Parameter	Symbol	Min.	Typical	Max.	Unit
Storage Temperature	TS	-40		+85	°C
Supply Voltage	VCC	-0.5		4	V
Relative Humidity	RH	0		85	%

Recommended Operating Environment

 

Parameter		Symbol	Min.	Typical	Max.	Unit
Case operating Temperature	Industrial	TC	-40		85	°C
	Extended		-5		85	°C
	Commercial		0		+70	°C
Supply Voltage	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 = -40 to 85°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	250		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:

AC coupled.

Or open circuit.

Into 100 ohm differential termination. 20 – 80 %

LOS is LVTTL. Logic 0 indicates normal operation; logic 1 indicates no signal detected.

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(TOP = -40 to 85°C, VCC = 3.135 to 3.465 Volts)

 

Parameter	Symbol	Min.	Typical	Max.	Unit	Note
Transmitter Section:
Center Wavelength	λc	1530	1550	1570	nm
Spectral Width	σ			1	nm
Side Mode Suppression Ratio	SMSR	30			dB
Optical Output Power	Pout	+2		+5	dBm	1
Extinction Ratio	ER	9			dB
Optical Rise/Fall Time	tr / tf			260	ps	2
Relative Intensity Noise	RIN			-120	dB/Hz
Output Eye Mask	Compliant with IEEE802.3 z (class 1 laser safety)
Receiver Section:
Optical Input Wavelength	λc	1270		1610	nm
Receiver Overload	Pol	-7			dBm	4
RX Sensitivity	Sen			-35	dBm	4
RX_LOS Assert	LOS A	-45			dBm
RX_LOS De-assert	LOS D			-36	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 SMF@1.25Gb/s	LMAX		160		km
Total System Budget	LB	37			dB

 

Notes:

• The optical power is launched into SMF.
• 20-80%.
• Jitter measurements taken using Agilent OMNIBERT 718 in accordance with GR-253.
• Measured with PRBS 27-1 at 10-12 BER

 

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

Notes:

• Circuit ground is internally isolated from chassis ground.
• Laser output disabled on TDIS >2.0V or open, enabled on TDIS <0.8V.
• Should be pulled up with 4.7k – 10 kohms on host board to a voltage between 2.0V and 3.6V. MOD_DEF(0) pulls line low to indicate module is plugged in.
• Rate select is not used
• LOS is open collector output. Should be pulled up with 4.7k – 10 kohms on host board to a voltage between 2.0V and 3.6V. Logic 0 indicates normal operation; logic 1 indicates loss of signal.
• AC Coupled

 

SFP Module EEPROM Information and Management

The SFP modules implement the 2-wire serial communication protocol as defined in the SFP -8472. The serial ID information of the SFP modules and Digital Diagnostic Monitor parameters can be accessed through the I2C interface at address A0h and A2h. The memory is mapped in Table 1. Detailed ID information (A0h) is listed in Table 2. And the DDM specification at address A2h.

For more details of the memory map and byte definitions, please refer to the SFF-8472, “Digital Diagnostic Monitoring Interface for Optical Transceivers”. The DDM parameters have been internally calibrated.

 

 

TABLE 2 – EEPROM SERIAL ID MEMORY CONTENTS (A0H)

 

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 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: YXFIBER
36	1	Reserved
37- 39	3	Vendor OUI	SFP transceiver vendor OUI ID
40 – 55	16	Vendor PN	Part Number: “BT-SFP-IG160-1.25G” (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	YXFIBER’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	YXFIBER 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
98-99	VCC3 Internal Supply Voltage	±3.0	%
100-101	Laser Bias Current	±10	%
102-103	Tx Output Power	±3.0	dB
104-105	Rx Input Power	±3.0	dB

 

Regulatory Compliance

The BT-SFP-IG160-1.25G complies with international Electromagnetic Compatibility (EMC) and international safety requirements and standards (see details in Table following).

Electrostatic Discharge (ESD) to the Electrical Pins	MIL-STD-883E Method 3015.7	Class 1(>1000 V)
Electrostatic Discharge (ESD) to the Duplex 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.