100Gb/s QSFP28 ER4 40KM Optical Transceiver Module
Features
lCompliant to Ethernet 100GBASE-ER4 Lite
lSupports 103.1Gb/s aggregate bit rate
lTransmitter: cooled 4x25Gb/s LAN WDM EML TOSA (1295.56, 1300.05, 1304.58, 1309.14nm)
lReceiver: 4x25Gb/s APD ROSA
lUp to 30km reach for G.652 SMF without FEC
lUp to 40km reach for G.652 SMF with FEC
lDuplex LC optical receptacle
l4x25G electrical interface (OIF CEI-28G-VSR)
lRoHS-6 compliant and lead-free
lSingle +3.3V power supply
lMaximum power consumption 4.5W
lCase operating temperature
Commercial: 0 ~ +70oC
Applications
lData Center
lFiber channel、 Local Area Network (LAN)
lEthernet switches and router applications
lOther Optical Links
Optical Characteristics
The following optical characteristics are defined over the Recommended Operating Environment unless otherwise specified.
Parameter | Symbol | Min. | Typical | Max | Unit | Notes |
Transmitter |
Lane wavelength（range） | L0 | 1294.53 | 1295.56 | 1296.59 | nm |
|
L1 | 1299.02 | 1300.05 | 1301.09 | nm |
|
L2 | 1303.54 | 1304.58 | 1305.63 | nm |
|
L3 | 1308.09 | 1309.14 | 1310.09 | nm |
|
Signaling rate, each lane |
|
| 25.78125 |
| GBd |
|
Side-mode suppression ratio | SMSR | 30 |
|
|
|
|
Total launch power | PT |
|
| 10.5 | dBm |
|
Average launch power, each lane | Pavg | -2.9 |
| 4.5 | dBm | 1 |
OMA, each Lane | POMA | 0.1 |
| 4.5 | dBm | 2 |
Extinction Ratio | ER | 7 |
|
| dB |
|
Difference in Launch Power between any Two Lanes (OMA) | Ptx,diff |
|
| 3.6 | dB |
|
Transmitter and Dispersion Penalty, each lane | TDP |
|
| 2.5 | dB |
|
OMA minus TDP, each lane | OMA-TDP | -0.65 |
|
| dBm |
|
Average launch power of OFF transmitter, each lane | Poff |
|
| -30 | dBm |
|
Transmitter reflectance | RT |
|
| -12 | dB |
|
RIN20OMA | RIN |
|
| -130 | dB/Hz |
|
Optical Return Loss Tolerance | TOL |
|
| 20 | dB |
|
Transmitter eye mask {X1, X2,X3, Y1, Y2, Y3} |
| {0.25, 0.4, 0.45, 0.25, 0.28, 0.4} |
|
|
