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25G单模双纤光模块 EM-SFP28/25G-LR

Name: 25G单模双纤光模块 EM-SFP28/25G-LR
Rating: 4.7 (85 reviews)

Duplex LC connector Support up to 28Gb/s bit rates
Compliant with SFP28 MSA
Electrical interface compliant to SFF-8431
Hot-pluggable SFP footprint
Built-in digital diagnostic functions
Up to 10 km on 9/125um SMF G.652
Single power supply 3.3V
RoHS6/6 compliant
Class 1 laser product complies with EN 60825-1
Operating temperature range: 0℃ to 70℃/-40℃ to 85℃
Power consumption <1.2W

The SFP28 LR module is compliant with SFF-8431. It offers previously unavailable system cost, upgrade, and reliability benefits by virtue of being hot-pluggable.

Parameter	Symbol	Min.	Typ.	Max.	Unit	Note
Support data rate	-	-	-	28	Gb/s	-
Peak Wavelength	λp	1295	1310	1325	nm	4
Spectral Width (-20dB)	Dl	-	-	1	nm	-
Side Mode Suppression Ratio	SMSR	30			dB
Average Optical Output Power	Po	-5	-	2	dBm
Extinction Ratio	Er	3.5	-	-	dB
Transmitter and dispersion penalty	TDP			3	dB
Output Power with Transmitter Disabled	Poff			-30	dBm
Transmitter Enable Voltage	VEN	-0.3	-	0.8	V
Transmitter Disable Voltage	VD	2.0	-	Vcc+0.3	V
Differential Data Input Swing	V_INpp	180	-	700	mV
Optical return loss tolerance				-12	dB
Output Eye Diagram	Compliant with IEEE 802.3					1

Parameter	Symbol	Min.	Typ.	Max.	Unit	Note
Support data rate	-	-	-	28	Gb/s	-
Operate Wavelength	-	1260	-	1360	nm	-
Receiver sensitivity in OMA	Sen	-	-	-12	dBm	2
Receiver sensitivity(BER of 1E-12)	Sen	-	-	-8.6	dBm
Saturation(BER of 1E-12)	Psat	2	-	-	dBm	2
LOS Asserted	T_loss_on	-30	-	-	dBm	High level: Alarm
LOS De-Asserted	T_loss_off	-	-	-13	dBm
LOS Hysteresis	T_loss_Hs	0.5	-	5.0	dB
Differential Data Output Swing	VOUTPP	450	-	1050	mV	-

	LOS Low Voltage	VLout	-	-	0.4	V	-
	LOS High Voltage	VHout	2.0	-	-	V	-

引脚定义

Pin#	Logic	Name	Function	Notes
1		VeeT	Transmitter Ground	-
2	LVTTL-O	TX Fault	Transmitter Fault Indication	Note 1
3	LVTTL-I	TX Disable	Transmitter Disable	Note 2, Module disables on high or open
4	LVTTL-I	SDA	2-wire Serial Interface Data Line (Same as MOD-DEF2 in INF-8074i)
5	LVTTL-I/O	SCL	2 Wire Serial Interface Data Line (Same as MOD-DEF1 as defined in the INF-8074i)
6		MOD-ABS	Module Absent, Connected to VeeT or VeeR in the module.	Note 3
7	LVTTL-I	RS0	SFP+ RX Rate Select, optional	Rate Select 0, Not used. Note 9
8	LVTTL-O	LOS	Loss of Signal	Note 4
9	LVTTL-I	RS1	SFP+ TX Rate Select, optional	Rate Select 1, Not used. Note 9
10		VeeR	Receiver Ground	Note 5
11		VeeR	Receiver Ground	Note 5
12	CML-O	RD-	Inv. Received Data Out	Note 6
13	CML-O	RD+	Received Data Out	Note 6
14		VeeR	Receiver Ground	Note 5
15		VccR	Receiver Power	Note 7, 3.3V± 5%

下一个 : 25G多模光模块 EM-SFP28/25G-SR

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