800G OSFP DAC (Passive Direct Attach Copper) enables high-bandwidth 800G links and supports 800G Ethernet rate. It provides an OSFP copper direct-attach solution. This cable is compliant with OSFP MSA (Multi-Source Agreement), IEEE 802.3ck and 400GBase-CR4 standards. This direct attach copper twinax cable is suitable for short-distance connectivity within a rack or between adjacent racks in data centers. Using the Octal Small Form factor Plug (OSFP) and contains 8 independent full-duplex passive copper cable, each operating at data rates up to 106.25Gb/s, which are suitable for very short links and offer a cost-effective and power-efficient way to establish a 800-Gigabit link between OSFP ports of switches/routers within racks and across adjacent racks. The 800G OSFP DAC assembly is high-speed, cost-effective alternatives to OSFP optical modules in 800G Ethernet applications. It meets OSFP800 MSA, IEE802.3ck, 400GBase-CR4 standards. These high performance 800G OSFP-to-OSFP copper direct-attach cables are offered in lengths of 1, 1.5, and 2 meters.
· OSFP Module compliant to OSFP MSA
· Transmission data rate up to PAM4 106.25Gbps per channel
· Enable 800Gb/s Transmission
· Link length up to 3m
· Built-in EEPROM functions
· Operating case temperature 0°C to +70°C
· RoHS2.0 compliant
Parameter | Symbol | Min. | Max. | Unit | Note |
Supply Voltage | Vcc | 3.13 | 3.3 | 3.47 | V |
Storage temperature | Ts | -40 | 85 | °C | |
Operating Case temperature | Tc | 0 | 70 | °C | |
Humidity | Rh | 5 | 85 | % | |
Data Rate | 800 | Gbps |
Parameter | Symbol | Min. | Typ. | Max. | Unit |
Length | L | 0.5 | 3.0 | M | |
AWG | 28 | 25 | AWG | ||
Jacket material | Hair Tail Technology Net, Gray |
Parameter | Symbol | Min. | Typ. | Max. | Unit | |
Resistance | Rcon | 3 | ohm | |||
Insulation Resistance | Rins | 10 | Mohm | |||
Raw cable impedance | Zca | 95 | 110 | ohm | ||
Mated connector Impedance | Zmated | 85 | 110 | ohm | ||
Maximum insertion Loss at 26.56 GHz | SDD21 | 11 | 18 | 1.5M | dB | |
19.75 | 2.0M | |||||
0.5 | 25.3 | 3.0M | ||||
Differential to common-mode return loss | SCD11/22 |
For 0.05 =f =40 GHz, Where f is the frequency in GHz | dB | |||
Differential to common-mode conversion loss | SCD21-SDD21 |
For 0.05 =f =40 GHz, Where f is the frequency in GHz | dB | |||
Common-mode to common-mode return loss | SCC11/22 | RLCC ≥18 For 0.05 =f =40 GHz, Where f is the frequency in GHz | dB | |||
Minimum COM | COM | 3 | dB |
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