QSFP28 100G CWDM4 2K
QSFP28 100G CWDM4 2K
The QSFP28 100G-CWDM4-2km module is a highly integrated 4x28G transceiver focused on reach, bandwidth, density and cost for high port-count 100G systems, and client-side 100G interfaces. It is compliant with the 100G 4WDM-10 MSA, which is based on the CWDM4 MSA version 1.1. It is interoperable with CWDM4 transceivers over a 2 km reach.
Features of QSFP28 100G CWDM4 2k
Reach: 2 km via SMF
Link budget assumes the use of KR4 FEC by the host
Uncooled CWDM DFB lasers, directly modulated
Electrical interface: retimed CAUI-4 per 100G Ethernet IEEE 802.3bm Annex 83E
User controllable Transmit Input Equalization and Receiver Output Amplitude
MSA-compliant performance monitoring via I2C interface
Fiber connector: SMF LC duplex connector
Hot-pluggable
0–70°C operating temp
Power dissipation < 3.5W
RoHS6 compliant (lead-free)
Applications of QSFP28 100G CWDM4 2k
100G CWDM4 Ethernet
InfiniBand 4x EDR
Specifications of QSFP28 100G CWDM4 2k
Optical Transmitter PerformanceOptical Receiver PerformanceRecommended Operating Environment
|
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
|
|
Center Wavelength |
Ch0 |
λ0 |
1264.5 |
- |
1277.5 |
nm |
|
Ch1 |
λ1 |
1284.5 |
- |
1297.5 |
nm |
|
|
Ch2 |
λ2 |
1304.5 |
- |
1317.5 |
nm |
|
|
Ch3 |
λ3 |
1324.5 |
|
1337.5 |
nm |
|
|
Bit Rate per Channel |
B |
25.78125±100ppm |
Gb/s |
|||
|
Side Mode Suppression Ratio |
SMSR |
30 |
- |
- |
dB |
|
|
Average launch power, each lane |
- |
-6.5 |
- |
2.5 |
dBm |
|
|
Optical Modulation Amplitude (each lane) |
OMA |
-4.0 |
- |
2.5 |
dBm |
|
|
Launch power in OMA minus TDP, each lane |
OMA-TDP |
-5.0 |
- |
- |
dBm |
|
|
Transmission & dispersion penalty, each lane |
TDP |
- |
- |
3.0 |
dB |
|
|
RIN20 OMA |
- |
- |
- |
-130 |
dB/Hz |
|
|
Transmitter Reflectance |
- |
- |
- |
-12 |
dB |
|
|
Extinction Ratio |
ER |
3.5 |
- |
|
dB |
|
|
Transmitter eye mask definition {X1, X2, X3, Y1, Y2, Y3} |
{0.31, 0.4, 0.45, 0.34, 0.38, 0.4} CWDM4 MSA Technical Specifications Rev 1.1 |
|||||
|
Total average launch power |
- |
- |
- |
8.5 |
dBm |
|
|
Average launch power of OFF transmitter, each lane |
- |
- |
- |
-30 |
dBm |
|
|
Optical return loss tolerance |
- |
- |
- |
20 |
dB |
|
Pin Descriptions of QSFP28 100G CWDM4 2k
|
Pin |
Symbol |
Name/Description |
|
1 |
GND |
Ground |
|
2 |
Tx2n |
Transmitter Inverted Data Input |
|
3 |
Tx2p |
Transmitter Non-Inverted Data Input |
|
4 |
GND |
Ground |
|
5 |
Tx4n |
Transmitter Inverted Data Input |
|
6 |
Tx4p |
Transmitter Non-Inverted Data Input |
|
7 |
GND |
Ground |
|
8 |
ModSelL |
Module Select |
|
9 |
ResetL |
Module Reset |
|
10 |
Vcc Rx |
+3.3 V Power supply receiver |
|
11 |
SCL |
2-wire serial interface clock |
|
12 |
SDA |
2-wire serial interface data |
|
13 |
GND |
Ground |
|
14 |
Rx3p |
Receiver Non-Inverted Data Output |
|
15 |
Rx3n |
Receiver Inverted Data Output |
|
16 |
GND |
Ground |
|
17 |
Rx1p |
Receiver Non-Inverted Data Output |
|
18 |
Rx1n |
Receiver Inverted Data Output |
|
19 |
GND |
Ground |
|
20 |
GND |
Ground |
|
21 |
Rx2n |
Receiver Inverted Data Output |
|
22 |
Rx2p |
Receiver Non-Inverted Data Output |
|
23 |
GND |
Ground |
|
24 |
Rx4n |
Receiver Inverted Data Output |
|
25 |
Rx4p |
Receiver Non-Inverted Data Output |
|
26 |
GND |
Ground |
|
27 |
ModPrsL |
Module Present |
|
28 |
IntL |
Interrupt |
|
29 |
Vcc Tx |
+3.3 V Power supply transmitter |
|
30 |
Vcc1 |
+3.3 V Power Supply |
|
31 |
LPMode |
Low Power Mode |
|
32 |
GND |
Ground |
|
33 |
Tx3p |
Transmitter Non-Inverted Data Input |
|
34 |
Tx3n |
Transmitter Inverted Data Input |
|
35 |
GND |
Ground |
|
36 |
Tx1p |
Transmitter Non-Inverted Data Input |
|
37 |
Tx1n |
Transmitter Inverted Data Input |
|
38 |
GND |
Ground |
Important Notice of QSFP28 100G CWDM4 2k
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by T&S before they become applicable to any particular order or contract. In accordance with the T&S 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 T&S or others. Further details are available from any T&S sales representative.
TS Communication is a professional fiber fiber optic products supplier, we provide qsfp28 100g,qsfp28 cwdm4, 100g qsfp28, qsfp 100g, qsfp28 and etc. Want to know qsfp28 price or more? Please contact us.
Personne à contacter : Lin Jack, 0755 32983688
Bonne affaire : acheter au vendeur
Nous vous invitons à lire nos conditions générales d'utilisations. Vous pouvez aussi vous rendre sur nos FAQ et consulter notre page d'informations sur les risques liés à la contrefaçon.
|
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Tuesday 28 April 2026
Nos plats, assiettes, coupes sont taillés dans un marbre fossilisé datant de l'ère primaire (450 millions d'années). Nos artisans ont apporté le plus grand soin et leur savoir-faire ancestral lors de son extraction, de sa taille et de son polissage en mettant en valeur les ammonites...
la pierre d'erfoud sarl
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- 52200 - erfoud
- +212661997865



