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China SFP 1.25G TX 1550 RX 1490 CWDM 180KM DDM 光模块

SFP 1.25G TX 1550 RX 1490 CWDM 180KM DDM 光模块

Features:

Up to 1.25Gb/s Data Links
Hot-Pluggable
Single LC connector
Up to 180km on 9/125μm SMF
1550nm DFB laser transmitter
APD Receiver
Single +3.3V Power Supply
Monitoring Interface Compliant with SFF-8472
Power dissipation<1.5W
operating temperature range: 0°C to 70°C
RoHS compliant and Lead Free

Applications:
1000Base-ZX Ethernet
Metro/Access Networks
1×Fibre Channel
Other Optical Links

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RSPD-03BD180-5549

1.25Gb/s 180km LC BiDi SFP Transceiver

Hot Pluggable, Single LC, +3.3V, 1550nm Tx/1490nm Rx, DFB-LD&APD, Single-mode, DDM

Description:

FIBERWDM RSPD-03BD180-5549 Transceivers are a high performance, cost effective module which have a single LC optics interface. They are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA) and Digital diagnostics functions are available via the 2-wire serial bus specified in SFF-8472.The receiver section uses a PIN receiver and the transmitter uses a 1550 nm DFB laser, more than 40dB link budge ensure this module 1000Base-ZX Ethernet 180km application.

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	TC	0		+70	°C
Supply Voltage	VCC	3.1		3.6	V
Supply Current	Icc			300	mA
Inrush Current	Isurge			Icc+30	mA
Power dissipation	Pmax			1.5	W

Electrical Characteristics TOP=(TOP=-30 to70°C, VCC = 3.1 to 3.6 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

Note:

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(TOP=-30 to70°C, VCC = 3.1 to 3.6 Volts)

Parameter	Symbol	Min.	Typical	Max.	Unit	Note
Transmitter Section:
Center Wavelength	λc	1530	1550	1570	nm
Spectral Width(RMS)	σRMS			4	nm
Optical Output Power	Pout	+3		+6	dBm	1
Extinction Ratio	ER	8.2			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	λc	1470	1490	1510	nm
Receiver Overload	Pol	-7			dBm	4
RX Sensitivity	Sen			-37	dBm	4
RX_LOS Assert	LOSA	-45			dBm
RX_LOS De-assert	LOSD			-37	dBm
RX_LOS Hysteresis	LOSH	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		180		km
Total System Budget	LB	40			dB

Note

1.The optical power is launched into SMF.

2.20-80%.

3.Contributed total jitter is calculated from DJ and RJ measurements using TJ = RJ + DJ. Contributed RJ is calculated for 1x10-12 BER by multiplying the RMS jitter (measured on a single rise or fall edge) from the oscilloscope by 14. Per FC-PI (Table 9 - SM jitter output, note 1), the actual contributed RJ is allowed to increase above its limit if the actual contributed DJ decreases below its limits, as long as the component output DJ and TJ remain within their specified FC-PI maximum limits with the worst case specified component jitter input.

4.Measured with PRBS 27-1at 10-12BER

Pin Assignment

Diagram of Host Board Connector Block Pin Numbers and Name

Diagram of Host Board Connector Block Pin Numbers and Names

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:

1. Circuit ground is internally isolated from chassis ground.

2. Laser output disabled on TDIS >2.0V or open, enabled on TDIS <0.8V.

3. 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.

4. Rate select is not used

5. 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.

6. AC Coupled

Recommended Circuit

SFP Host Recommended Circuit

Mechanical Dimensions

Mechanical Drawing

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