2m Cisco Qsfp-100g-Cu2m Compatible 100g Qsfp28 Passive Dac Direct Attach Copper Twinax Cable, #C0025
Guangdong, China
Last Login Date:
Jul 28, 2025
Main Products:
PLC Splitter, Fiber Optic Patch Cord, MPO Cable Assembly, MPO Cable, Aoc, Fiber Optic Transceiver, Fbg Sensor, Ceramic Ferrule, Wdm, Mt Ferrule
Product Description
Company Info
Basic Info.
Product Description
QSFP28 Direct Attach Cables are compliant with the SFF-8665 specifications. Various choices of wire gauge are available from 30 to 26 AWG with various choices of cable length (up to 5m).
Up to 25.78Gbps data rate per channel
Up to 5m transmission
Hot-pluggable QSFP+ 38 PIN footprint
Compatible to SFF-8665
Compliant with IEEE 802.3bj
Single 3.3V power supply
Temperature Range: 0 °C to 70 °C
RoHS compliant
Low EMI radiation switches, servers and routers
Data center networks
Storage area networks
High performance computing
Telecommunication and wireless infrastructure
Medical diagnostics and networking
Test and measurement equipment
Recommended Operation Condition
| Parameter | Symbol | Min | Max | Unit |
| Operating Case Temperature | Topc | 0 | 70 | degC |
| Storage Temperature | Tst | -40 | 85 | degC |
| Relative Humidity (non-condensation) | RS | 35 | 60 | % |
| Supply Voltage | VCC3 | 3.135 | 3.465 | V |
| Voltage on LVTTL Input | Vilvttl | -0.3 | VCC3 +0.2 | V |
| Power Supply Current | ICC3 | - | 15 | mA |
| Total Power Consumption | Pd | - | 0.05 | W |
Stress or conditions exceed the above range may cause permanent damage to the device.
This is a stress rating only and functional operation of the device at these or any other conditions above those listed in the operational sections of this specification is not applied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
Frequency Domain
| Item | Test Parameter | IEEE802.3bj Specification |
| 1 | Differential Insertion Loss (SDD12) | Maximum insertion loss at 12.8906Ghz @22.48dB Minimum insertion loss at 12.8906Ghz@8dB |
| 2 | Differential Insertion Loss (SDD21) | Maximum insertion loss at 12.8906Ghz@22.48dB Minimum insertion loss at 12.8906Ghz@8dB |
| 3 | Differential Return Loss (SDD22) | -16.5+2xSQRT(f) @ 0.01 to 4.1GHz -10.66+14xlog10f/5.5 @4.1 to 19GHz |
| 4 | Differential Return Loss (SDD11) | -16.5+2xSQRT(f) @ 0.01 to 4.1GHz -10.66+14xlog10f/5.5 @4.1 to 19GHz |
| 5 | Common Mode Reflection (SCC22) | -2dB @ 0.01 to 19GHz |
| 6 | Common Mode Reflection (SCC11) | -2dB @ 0.01 to 19GHz |
| 7 | Common Mode Conversion (SCD22) | -22+(20/25.78)*(f) @ 0.01 to 12.89GHz -15+(6/25.78)*(f) @ 12.9 to 19GHz |
| 8 | Common Mode Conversion (SCD11) | -22+(20/25.78)*(f) @ 0.01 to 12.89GHz -15+(6/25.78)*(f) @ 12.9 to 19GHz |
| 9 | Differential to Common Mode Conversion Loss (SCD12) | -10dB @ 0.01 to 12.89GHz -27+(29/22)*(f) @ 12.9 to 15.7GHz -6.3dB @ 15.71 to 19GHz |
| 10 | Differential to Common Mode Conversion Loss (SCD21) | -10dB @ 0.01 to 12.89GHz -27+(29/22)*(f) @ 12.9 to 15.7GHz -6.3dB @ 15.71 to 19GHz |
Pin Definition
| 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 |
Please visit T&S Communications Co., Ltd. website for more information.
