400G QSFP-DD ER4 40km Optic Module
Module Features
Supports 400GBASE-ER4;
Lane bit rate 106.25 Gb/s with PAM4;
Up to 40km transmission on SMF;
Narrow LANWDM laser and PIN receiver;
8x53.125Gb/s with PAM4 electrical interface (400GAUI-8);
I2C interface with integrated Digital Diagnostic monitoring;
QSFP-DD MSA package with LC duplex connector;
Single +3.3V power supply;
Maximum power consumption 14W;
Operating case temperature: 0 to +70 °C;
Compliant to QSFP-DD CMIS standard;
Compliant to 802.3bs& QSFP-DD Hardware Specification;
Complies with EU Directive 2015/863/EU;
Application
400GBASE-ER4;
400G Ethernet;
Data center / Cloud application.
Order Information
Table 1- order information
Part No. |
Data Rate |
Laser |
Fiber Type |
Distance |
Optical Interface |
Temp |
DDMI |
HTQD-400GER4 |
425Gbps |
nLWDM |
SMF |
40km |
SMF |
0~70C |
Y |
Absolute Maximum Ratings
Table 2-Absolute Maximum Ratings
Parameter |
Symbol |
Min. |
Typical |
Max. |
Unit |
Notes |
Storage Temperature |
TS |
-40 |
- |
+85 |
°C |
|
Supply Voltage |
VCC |
-0.5 |
- |
+3.6 |
V |
|
Operating Relative Humidity |
RH |
5 |
- |
+85 |
% |
|
Recommended Operating Conditions
Table 3-Recommended Operating Conditions
Parameter |
Symbol |
Min. |
Typical |
Max. |
Unit |
Notes |
Operating Case Temperature |
TC |
0 |
- |
+70 |
°C |
|
Power Supply Voltage |
VCC |
3.13 |
3.3 |
3.47 |
V |
|
Maximum Power Dissipation |
PD |
- |
- |
14 |
W |
|
Aggregate Bit Rate |
BRAVE |
- |
425 |
- |
Gb/s |
With PAM4 |
Lane Bit Rate |
BRLANE |
- |
106.25 |
- |
Gb/s |
With PAM4 |
Transmission Distance |
TD |
- |
- |
40 |
km |
Over SMF |
Optical Characteristics
Table 4-Optical Characteristics
Transmitter |
||||||
Parameter |
Symbol |
Min. |
Typical |
Max. |
Unit |
Notes |
Center Wavelength Lane 0 |
λ0 |
1304.06 |
1304.58 |
1305.1 |
nm |
|
Center Wavelength Lane 1 |
λ1 |
1306.33 |
1306.85 |
1307.38 |
nm |
|
Center Wavelength Lane 2 |
λ2 |
1308.61 |
1309.14 |
1309.66 |
nm |
|
Center Wavelength Lane 3 |
λ3 |
1310.9 |
1311.43 |
1311.96 |
nm |
|
Average Launch Power per Lane |
PTX_LANE |
1 |
- |
7.6 |
dBm |
1 |
OMAouter per Lane |
OMAouter |
4 |
- |
8.4 |
dBm |
2 |
Transmitter and dispersion eye closure for PAM4 (TDECQ), per lane |
TDECQ |
- |
- |
3.9 |
dB |
|
Average Output Power (Laser Turn off) |
POUT-OFF |
- |
- |
-15 |
dBm |
|
Side Mode Suppression Ratio |
SMSR |
30 |
- |
- |
dB |
|
Extinction Ratio |
ER |
6 |
- |
- |
dB |
|
Receiver |
||||||
Parameter |
Symbol |
Min. |
Typical |
Max. |
Unit |
Notes |
Center Wavelength Lane 0 |
λ0 |
1304.06 |
1304.58 |
1305.1 |
nm |
|
Center Wavelength Lane 1 |
λ1 |
1306.33 |
1306.85 |
1307.38 |
nm |
|
Center Wavelength Lane 2 |
λ2 |
1308.61 |
1309.14 |
1309.66 |
nm |
|
Center Wavelength Lane 3 |
λ3 |
1310.9 |
1311.43 |
1311.96 |
nm |
|
Damage threshold, per lane |
Pdamage |
-2.4 |
- |
- |
3 |
|
Average Rx Power per Lane |
PRX _LANE |
-16.7 |
- |
-2.9 |
dBm |
4 |
Receiver sensitivity (OMAouter), per lane |
SENOMA |
- |
- |
-13.5 |
dBm |
5 |
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