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SINO-TELECOM's 25G LR SFP28 transceivers are designed for use in Ethernet links up to 25.78 Gb/s data rate and up to 10 km link length. They are compliant SFF-8472, and compatible with SFF-8432 and applicable portions of SFF-8431. The product is RoHS compliant and lead-free per Directive 2011/96/EU.
SINO-TELECOM's 25G LR SFP28 transceivers are designed for use in Ethernet links up to 25.78 Gb/s data rate and up to 10 km link length. They are compliant SFF-8472, and compatible with SFF-8432 and applicable portions of SFF-8431.
● UP to 25.78Gb/s bi-directional data links
● Hot-Pluggable SFP28 footprint
● Duplex LC connector
● 1310nm DFB laser transmitter
● Up to 10km on 9/125m SMF
● 2-wire interface for management specifications compliant with SFF 8472 digital diagnostic monitoring interface for optical transceivers
● Power Supply: +3.3V
● Operating case temperature Range: 0~ 70°C
(TOP =0 to 70 °C,VCC = 3.15 to 3.46 Volts)
|
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
Note |
|
Transmitter Section: |
||||||
|
Center Wavelength |
λt |
1295 |
1325 |
nm |
||
|
spectral width(-20dB) |
△λ |
1 |
nm |
|||
|
Average Optical Power |
Pavg |
-7 |
+2.0 |
dBm |
1 |
|
|
Laser Off Power |
Poff |
-30 |
dBm |
|||
|
Side Mode Suppression Ratio |
30 |
|||||
|
Extinction Ratio |
ER |
3.5 |
dB |
|||
|
Optical Return Loss Tolerance |
-12 |
dB |
||||
|
Receiver Section: |
||||||
|
Center Wavelength |
λr |
1260 |
1370 |
nm |
||
Note:
1. Average powerfigures are informative only, per IEEE802.3cc.
2. OMA receiver sensitivity is informative. Shallbe measured with conformance test signal for BER=5xE-5.
● 25GE LR
● Data center
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