Cisco SFP-25gbx-D-20 Compatible 25gbase SFP28 1330nm-Tx/1270nm-Rx 20km Simplex LC SMF Optical Transceiver Module, #A0065

• Wiring Devices: Fiber Optic Cabling
• Certification: RoHS
• Data Rate: up to 25.78125gbps
• Part Number: Tssls-Cdbef3t
• Tx/Rx: Dfb/Pin
• Reach: 20km
• Model NO.: TSSLS-CDBEF3T
• Transport Package: Nautral or Customized
• Specification: 25G SFP28 BIDI LR
• HS Code: 8517795000

Product Description

 

Product Description

Features
Class 1 laser safety certified
Operating data rate up to 25.78Gbps
Up to 20km transmission distance
High sensitivity PIN photodiode and TIA
LC single connector
Hot pluggable 20pin connector
Low power consumption <1.5W
-40ºC to 85ºC operating wide temperature range
Single +3.3V±5% power supply
Digital Monitoring SFF-8472 compliant
Fully RoHS Compliant
 

Applications
25GE 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 20 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	+4.0	V
Storage Temperature	Ts	-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	90	100	110	Ω	1
Single-ended Data Input Swing	VIN	90	-	450	mVp-p
Transmit Disable Voltage	VDIS	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	90	100	110	Ω	1
Single-ended Data Output Swing	VOD	200	-	450	mVp-p
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	1260	1270	1280	nm
Side Mode Suppression Ratio	SMSR	30	-	-	dB
Average Optical Power	Po	0	-	6	dBm
Extinction Ratio	ER	3.5			dB
Average Launch Power of OFF Transmitter	POFF	-	-	-30	dBm
Relative Intensity Noise	RIN			- 128	dB/Hz

Receiver Specifications - Optical

Parameter	Symbol	Min	Typical	Max	Unit
Center Wavelength	λ	1320	1330	1340	nm
Receiver sensitivity[1]	RSEN	-	-	-13	dBm
Receiver Overload	PMAX	2.2			dBm
Optical Return Loss	RRL	-	-	-26	dB
LOS Asserted	LSA	-30	-	-	dBm
LOS De-Asserted	LDA	-	-	-17	dBm
LOS Hysteresis	LH	0.5	-	-	dB

Notes:
1. Measured at 25.78125Gb/s,ER>3.5dB , PRBS 2³¹- 1 and BER better than or equal to 5E-5

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