Description
This product is a 100Gb/s receiver module designed for optical communication applications compliant to QSFP28 4WDM 40km MSA/100GBASE-ER4 Lite/OTU4 standard. On the receiver side, the module de-multiplexes a 111.8Gb/s optical input into 4 channels of LAN WDM optical signals and then converts them to 4 output channels of electrical data.
The central wavelengths of the 4 LAN WDM channels are 1295.56, 1300.05, 1304.58 and 1309.14 nm as members of the LAN WDM wavelength grid defined in IEEE 802.3ba. The high performance cooled LAN WDM DFB transmitters and high sensitivity APD receivers provide superior performance for 100Gigabit Ethernet applications up to 30km links without FEC and up to 40km links with FEC interconnections.
The product is designed with form factor, optical/electrical connection and digital diagnostic interface according to the QSFP+ Multi-Source Agreement (MSA). It has been designed to meet the harshest external operating conditions including temperature, humidity and EMI interference.
Features
● 4 channels receiver modules
● Supports data rate up to 111.8Gb/s
● Supports QSFP28 4WDM 40km MSA \100GBASE-ER4 Lite\OTU4
● 4 channels APD ROSA
● Internal CDR circuits on receiver channels
● Low power consumption <2.5W
● Hot Pluggable QSFP form factor
● Up to 30km reach for G.652 SMF without FEC
● Up to 40km reach for G.652 SMF with FEC
● LC receptacles
● 3.3V power supply voltage
● RoHS 6 compliant(lead free)
● Case operating temperature
Commercial: 0 ~ +70℃
Industrial: -40 ~ +85℃
Applications
● IEEE 802.3ba 100GBASE ER4 Links
● Client-side 100G interconnections
● OTN OTU4
Absolute Maximum Ratings
|
Parameter |
Symbol |
Min |
Max |
Unit |
|
Supply Voltage |
Vcc |
-0.3 |
3.6 |
V |
|
Input Voltage |
Vin |
-0.3 |
Vcc+0.3 |
V |
|
Storage Temperature |
Tst |
-20 |
85 |
ºC |
|
Case Operating Temperature |
Top |
0 |
70 |
ºC |
|
Humidity(non-condensing) |
Rh |
5 |
85 |
% |
|
Damage Threshold, each Lane |
TH |
5.5 |
dBm |
Recommended Operating Conditions
|
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
|
Supply Voltage |
Vcc |
3.13 |
3.3 |
3.47 |
V |
|
Operating Case temperature |
Tca |
0 |
70 |
ºC |
|
|
Data Rate Per Lane |
fd |
25.78125 |
Gbps |
||
|
Humidity |
Rh |
5 |
85 |
% |
|
|
Power Dissipation |
P |
2.5 |
W |
||
|
Link Distance with G.652 |
D |
0.002 |
40 |
km |
Electrical Specifications
|
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
|
Power Consumption |
P |
2.5 |
W |
||
|
Supply Current |
Icc |
0.7 |
A |
||
|
Transceiver Power-on Initialization Time |
2000 |
ms |
|||
|
Transmitter(each Lane) |
|||||
|
Single-ended Input Voltage Tolerance |
-0.3 |
4.0 |
V |
||
|
AC Common Mode Input Voltage Tolerance |
15 |
mV |
|||
|
Differential Input Voltage |
50 |
mVpp |
|||
|
Differential Input Voltage Swing |
Vin |
900 |
mVpp |
||
|
Differential Input Impedance |
Zin |
90 |
100 |
110 |
Ohm |
Note：Power-on Initialization Time is the time from when the power supply voltages reach and remain above the minimum recommended operating supply voltages to the time when the module is fully functional.
Optical Characteristics
Table 3 - Optical Characteristics
|
QSFP28 100GBASE-ER4 Lite |
||||||
|
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
Notes |
|
Lane Wavelength |
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 |
1310.19 |
nm |
|
|
|
Receiver |
||||||
|
Damage Threshold, each Lane |
THd |
-6 |
dBm |
1 |
||
|
Average Receive Power, each Lane |
-20.5 |
-7 |
dBm |
|||
|
Receive Power (OMA), each Lane |
-7 |
dBm |
||||
|
Receiver Sensitivity (OMA), each Lane （BER = 5x10-5） |
SEN1 |
-18.5 |
dBm |
@100GE |
||
|
Receiver Sensitivity (OMA), each Lane （BER = 1x10-12） |
SEN2 |
-15 |
dBm |
@100GE |
||
|
Stressed Receiver Sensitivity (OMA), each Lane（BER = 5x10-5） |
SEN3 |
-16 |
dBm |
2 |
||
|
Receiver Sensitivity (OMA), each Lane （BER = 5x10-5） |
SEN4 |
-18 |
dBm |
@OTU4 |
||
|
Receiver Sensitivity (OMA), each Lane （BER = 1x10-12） |
SEN5 |
-14 |
dBm |
@OTU4 |
||
|
Difference in Receive Power between any Two Lanes (OMA) |
Prx,diff |
3.6 |
dB |
|||
|
LOS Assert |
LOSA |
-26 |
dBm |
|||
|
LOS Deassert |
LOSD |
-24 |
dBm |
|||
|
LOS Hysteresis |
LOSH |
0.5 |
dB |
|||
|
Receiver Electrical 3 dB upper Cutoff Frequency, each Lane |
Fc |
31 |
GHz |
|||
|
Conditions of Stress Receiver Sensitivity Test (Note 5) |
||||||
|
Vertical Eye Closure Penalty, each Lane |
2.5 |
dB |
3 |
|||
|
Stressed Eye J2 Jitter, each Lane |
0.33 |
UI |
||||
|
Stressed Eye J9 Jitter, each Lane |
0.48 |
UI |
||||
Note：
- The receiver shall be able to tolerate, without damage, continuous exposure to a modulated optical input signal having this power level on one lane. The receiver does not have to operate correctly at this input power.
- Measured with conformance test signal at receiver inputfor BER = 5x10-5@25.78125Gbps.
- Vertical eye closure penalty and stressed eye jitter are test conditions for measuring stressed receiver sensitivity. They are not characteristics of the receiver.
Mechanical Dimensions
Ordering information
|
Part Number |
Product Description |
|
FTQ2-HG-ER4R |
QSFP28 ER4 Lite RX ONLY 30km w/o FEC/40km with FEC , 0 ~ +70℃ |
|
FTQ2-HG-ER4RI |
QSFP28 ER4 Lite RX ONLY 30km w/o FEC/40km with FEC -40 ~ +85℃ |
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Important Notice
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.