Product Highlights
● Power Consumption max 0.5W
● Supports 100G to 2x 50G Ethernet Interoperability
● Hot Pluggable QSFP28 MSA Compliant
● QSFP Module compliant to SFF-8661
● Built-in EEPROM functions
● Operating case temperature: -0°C ~ +70°C
● RoHS2.0 compliant
Product Details
The D-Net 100G QSFP28 to 2x50G QSFP28 DAC cable allows for customer-specified design in terms of length and compatibility, with lengths ranging from 0.5M to 5M.
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Absolute Maximum Ratings
|
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
|
Supply Voltage |
Vcc |
3. 13 |
3.3 |
3.47 |
V |
|
Storage temperature |
Ts |
-40 |
85 |
ºC |
|
|
Operating Case temperature |
Tc |
0 |
70 |
ºC |
|
|
Humidity |
Rh |
5 |
85 |
% |
|
|
Data Rate |
100 |
Gbps |
Physical Characteristics
|
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
|
Length |
L |
0.5 |
5.0 |
M |
|
|
AWG |
30 |
26 |
AWG |
||
|
Jacket material |
PVC, Black (or Customization) |
||||
Pin Description
Mechanical Dimensions
Ordering Information
|
Model Number |
AWG |
Description |
|
QSFP-2QSFP-DAC005 |
30 |
100G QSFP28 to 2xQSFP28 DAC,PVC,BLACK,0.5m |
|
QSFP-2QSFP-DAC01 |
30 |
100G QSFP28 to 2xQSFP28 DAC,PVC,BLACK, 1.0m |
|
QSFP-2QSFP-DAC015 |
30 |
100G QSFP28 to 2xQSFP28 DAC,PVC,BLACK, 1.5m |
|
QSFP-2QSFP-DAC02 |
30 |
100G QSFP28 to 2xQSFP28 DAC,PVC,BLACK,2.0m |
|
QSFP-2QSFP-DAC025 |
30 |
100G QSFP28 to 2xQSFP28 DAC,PVC,BLACK,2.5m |
|
QSFP-2QSFP-DAC03 |
30 |
100G QSFP28 to 2xQSFP28 DAC,PVC,BLACK,3.0m |
|
QSFP-2QSFP-DAC035 |
28/27 |
100G QSFP28 to 2xQSFP28 DAC,PVC,BLACK,3.5m |
|
QSFP-2QSFP-DAC04 |
28/27 |
100G QSFP28 to 2xQSFP28 DAC,PVC,BLACK,4.0m |
|
QSFP-2QSFP-DAC045 |
27/26 |
100G QSFP28 to 2xQSFP28 DAC,PVC,BLACK,4.5m |
|
QSFP-2QSFP-DAC05 |
26 |
100G QSFP28 to 2xQSFP28 DAC,PVC,BLACK,5.0m |
FAQ
1. What is the maximum length of QSFP28 DAC?
A: The maximum length of QSFP28 DAC cables commonly available on the market ranges from 1 meter (3.28 feet) to 5 meters (16.4 feet). However, it's important to consult the specific datasheet or product documentation provided by the cable manufacturer to determine the exact maximum length supported by a particular cable model.
2. Can you use a QSFP56 in a QSFP28 port ?
A: No, you cannot use a QSFP56 module in a QSFP28 port. QSFP56 and QSFP28 are different form factors for optical transceiver modules. QSFP56 is designed for 200 Gigabit Ethernet and 256 Gigabit Fibre Channel applications, while QSFP28 is designed for 100 Gigabit Ethernet and 128 Gigabit Fibre Channel applications. The QSFP56 module has a higher data rate and uses a different electrical interface compared to QSFP28. Therefore, the physical connectors and interfaces are not compatible, and you cannot directly plug a QSFP56 module into a QSFP28 port.
3. How many fibres are in QSFP28?
A: QSFP28 Direct Attach Copper (DAC) Cables: DAC cables are a cost-effective alternative to optical transceivers for short-distance interconnections. QSFP28 DAC cables are typically used for connections within a rack or between adjacent racks in a data center. They do not rely on optical fibers but use copper cables instead. Therefore, QSFP28 DAC cables do not have individual fibers.
