100Gb/s QSFP28 ER4 40km Optical Transceiver
Features
- Hot Pluggable QSFP28 form factor
- Supports aggregate bit rate up to 103.125Gb/s
- LC Duplex optical interface
- 4x25Gb/s LAN-WDM transmitter, EML laser,APD array detector
- Operating case temperature:0 to 70 °C
- Low power consumption <4.5W
- Applicable for 40km SMF connection without FEC
- All-metal housing for superior EMI performance
- IIC management interface
- Single +3.3V power supply
- RoHS compliant (lead free)
Applications
- 100G Ethernet
- Other optical links
Standards
- SFF8436,SFF-8636
- SFF-8665, SFF8661
- IEEE 802.3ba
Description
- The 40km 100GBase-ER4 QSFP28 transceiver is designed to meet the requirements of 100G ethernet links
over SMF up to 40km. It is compliant with QSFP28 MSA, IEEE 802.3ba. It is cost-effective, low power consumption with a single 3.3V power supply. The module has an aggregate bit rate up to 103.125Gbps by multiplexing of 4 independent LAN-WDM optical lanes, each lane capable of transmitting 25.78125Gb/s over 40km SMF
Absolute Maximum Ratings
|
Parameter |
Symbol |
Min |
Typ |
Max |
Unit |
|
Power Supply Voltage |
Vcc |
-0.5 |
|
3.6 |
V |
|
Storage Temperature Range |
Ts |
-40 |
|
85 |
°C |
|
Relative Humidity - Storage |
RHS |
0 |
|
95 |
% |
|
Relative Humidity - Operating |
RHO |
0 |
|
85 |
% |
|
Static electrical discharge (human body model) |
- |
500 |
- |
- |
V |
Recommended Operating Conditions
|
Parameter |
Symbol |
Min |
Typ |
Max |
Unit |
|
Case Operating Temperature Range |
Tc |
0 |
- |
70 |
°C |
|
Power Supply Voltage |
Vcc |
3.14 |
3.3 |
3.46 |
V |
|
Total Power Consumption |
P |
- |
- |
4.5 |
W |
|
Data Rate per lane |
BR |
- |
25.78125 |
- |
Gbps |
Electrical Characteristics
|
Transmitter Electrical Characteristics |
|||||
|
Parameter |
Symbol |
Min |
Typ |
Max |
Unit |
|
Differential Input Voltage Swing |
VIN |
180 |
- |
900 |
mV |
|
Tx Differential Input Impendence |
ZIN |
- |
100 |
- |
Ω |
|
Differential input return loss |
|
Per 100Gbase-ER4 |
dB |
||
|
Common mode input return loss |
|
Per 100Gbase-ER4 |
dB |
||
|
Receiver Electrical Characteristics |
|||||
|
Parameter |
Symbol |
Min |
Typ |
Max |
Unit |
|
Differential output Voltage Swing |
VOUT |
300 |
- |
1200 |
mV |
|
Rx Differential Output Impendence |
ZOUT |
- |
100 |
- |
Ω |
|
Differential output return loss |
|
Per 100Gbase-ER4 |
dB |
||
|
Common mode output return loss |
|
Per 100Gbase-ER4 |
dB |
||
Optical Characteristics
|
Parameter |
Symbol |
Min |
Typ |
Max |
Unit |
Notes |
|
Transmitter Characteristics |
||||||
|
Laser Type |
|
EML |
|
|
||
|
Data Rate per lane |
fDC |
- |
25.78125 |
- |
Gb/s |
|
|
Aggregate Data Rate |
fD |
- |
103.125 |
- |
Gb/s |
|
|
Signal Speed Variation from Nominal |
△fD |
-100 |
- |
100 |
ppm |
|
|
Lane Center Wavelength Range |
λ |
1294.53 - 1296.59 |
nm |
|
||
|
1299.02 - 1301.09 |
||||||
|
1303.54 - 1305.63 |
||||||
|
1308.09 - 1310.19 |
||||||
|
Side Mode Suppression Ratio |
SMSR |
30 |
- |
- |
dB |
|
|
Total Average launch Power |
PTOTAL |
- |
- |
8.9 |
dBm |
|
|
Average Launch Power, each lane |
POUT |
- |
2 |
- |
dBm |
|
|
Optical Modulation Amplitude (OMA), each lane |
POMA |
0.1 |
|
4.5 |
dBm |
|
|
Launch Power in OMA minus TDP, each lane |
|
-2.3 |
- |
- |
dBm |
|
|
Average Launch Power of OFF transmitter, each lane |
POFF |
- |
- |
-30 |
dBm |
|
|
Extinction Ratio |
ER |
8 |
- |
- |
dB |
|
|
Transmit Reflectance |
RFL |
- |
- |
-12 |
dB |
|
|
Eye Diagram |
Complies with 100Gbase-LR4 eye masks when filtered |
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|
Receiver Characteristics |
||||||
|
Receiver Type |
|
APD |
|
|
||
|
Data Rate per lane |
|
- |
25.78125 |
- |
Gb/s |
|
|
Operating Central Wavelength |
λ |
1294.53 - 1296.59 |
nm |
|
||
|
1299.02 - 1301.09 |
||||||
|
1303.54 - 1305.63 |
||||||
|
1308.09 - 1310.19 |
||||||
|
Damage Threshold |
|
5.5 |
- |
- |
dBm |
|
|
Receiver Sensitivity, each lane |
SenOMA |
- |
-19 |
- |
dBm |
1 |
|
Average Receive Power, each lane |
|
- |
- |
4.5 |
dBm |
|
|
Receiver Power, each lane (OMA) |
|
- |
- |
4.5 |
dBm |
|
|
Receiver Reflectance |
RFL |
- |
- |
-26 |
dB |
|
|
LOS Assert |
LOSA |
-30 |
- |
- |
dBm |
|
|
LOS De-Assert |
LOSD |
- |
- |
-25 |
dBm |
|
|
LOS Hysteresis |
LOSH |
0.5 |
3 |
5 |
dB |
|
|
Notes |
||||||
|
1. BER=10-12 |
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