Cisco SFP-25g-Er40 Compatible 25gbase-Er SFP28 1310nm 40km Duplex LC SMF Optical Transceiver Module, #A0061

• Wiring Devices: Fiber Optic Cabling
• Certification: RoHS
• Data Rate: up to 25.78125gbps
• Part Number: Tssls-Ncneh7c
• Tx/Rx: Eml/Apd
• Reach: 40km
• Model NO.: TSSLS-NCNEH7C
• Transport Package: Nautral or Customized
• Specification: 25G SFP28 ER
• HS Code: 8517795000

Product Description

 

Product Description

Features
Class 1 laser safety certified
Data rate up to 25.78Gbps
High sensitivity APD photodiode and TIA
LC duplex connector
Low power consumption < 2W
Distance up to 40km
Hot Pluggable
Specifications compliant with SFF 8472
0 to 70ºC operating wide temperature range
Single +3.3V±5% power supply
RoHS compliant (lead free)
 

Applications
25GE LR/LR
CPRI Option 10/e CPRI


Product Description
The SFP28 Transceiver is designed for use in Ethernet/eCPRI/ CPRI links up to 25.78 Gb/s data rate and up to 40 km link length.
They are compliant with SFF8472,SFF-8431,SFF-8432. Digital diagnostics functions are available via a 2-wire serial interface, as specified in SFF-8472.


Absolute maximum ratings
These values represent the damage threshold of the module.  Stress in excess of any of the individual Absolute Maximum Ratings can cause immediate catastrophic damage to the module even if all other parameters are within Recommended Operating Conditions.

Parameters	Symbol	Min.	Max.	Unit
Power Supply Voltage	VCC	-0.5	+4	V
Storage Temperature	Tc	-40	+85	°C
Relative Humidity	RH	0	95	%

Recommended Operating Conditions

Parameter	Symbol	Min	Typical	Max	Unit
Supply Voltage	VCC	3.14	3.3	3.46	V
Operating Case Temperature	Tc	-40	-	85	ºC

Notes:
1. Supply current is shared between VCCTX and VCCRX.
2. In-rush is defined as current level above steady state current requirements.


Electrical characteristics

Parameter	Symbol	Min.	Typical	Max	Unit	Ref.
Transmitter
Data Rate	BR		25.78	-	Gbps
Input differential impedance	Rin		100		Ω	1
Single-ended Data Input Swing	Vin	90		450	mVp-p
Transmit Disable Voltage	VD	2.0	-	VCCHOST	V
Transmit Enable Voltage	Ven	Vee		Vee+0.8	V	2
Transmit Fault Assert Voltage	Vfa	2.0	-	VCCHOST	V
Transmit Fault De-Assert Voltage	Vfda	Vee		Vee+0.4	V
Receiver
Data Rate	BR	-	25.78	-	Gbps
Output differential impedance	Rout		100		Ω	1
Single-ended Data Input Swing	Vod	200		450	mV
LOS Fault	Vlosft	2.0	-	VCCHOST	V
LOS Normal	Vlosnr	Vee		Vee+0.4	V

Notes:
1. AC coupled.
2. Or open circuit.


Transmitter Specifications - Optical

Parameter	Symbol	Min	Typical	Max	Unit
Center Wavelength	λ	1295	1310	1325	nm
Average Optical Power[1]	Po	-1	-	+7	dBm
Side Mode Suppression Ratio	SMSR	30	-	-	dB
Optical Spectral Width	△λ	1			nm
Average Launch Power of OFF Transmitter	Poff	-	-	-30	dBm
Extinction Ratio	ER	3.5	-	-	dB
Eye Mask		Compliant with IEEE 802.3

Receiver Specifications - Optical

Parameter	Symbol	Min	Typical	Max	Unit
Center Wavelength	λ	1260		1360	nm
Receiver sensitivity[2]	Rsen1	-	-	-19	dBm
Receiver Overload	Pmax	-5			dBm
Optical Return Loss	Rrx	-	-	-26	dB
LOS Asserted	Lsa	-35	-	-	dBm
LOS De-Asserted	Lda	-	-	-24	dBm
LOS Hysteresis	Lh	0.5	-	5	dB

Notes:
1. Output power is coupled into a 9/125μm SMF.
2. Measured at 25.78125Gb/s, ER>3.5dB,  PRBS 2³¹ -1, BER better than or equal to 5E-5.
 

Please visit T&S Communications Co., Ltd. website for complete information.