Ascent’s OSFP to 4x200G breakout ACC is an 800Gb/s twin-port OSFP (Octal Small Form-factor Pluggable) to 2x400Gb/s OSFP passive Active Copper Cable (ACC) dual breakout cable. The ACC uses 8-channels of 100G-PAM4 modulation and has lengths of 4 and 5 meters. The 8-channel, twin-port, OSFP end uses a finned top form-factor for use in Quantum-2 and Spectrum-4 switch cages. The four 200G ends support 2-channels of 100G-PAM4 (400G) use a flat top OSFP using riding heat sinks on the connector cage. For use in liquid-cooled systems, a twin-port OSFP version is available with a flat top (designated -FLT in the part number). ACC cables are low-latency, low-power consuming, high-speed links next to passive DACs due to their simplicity of design and minimal components. The “active” term refers to the passive copper cable with an equalizer integrated circuit to extend the length to 4 and 5-meters while maintaining low-latency and low-power at 1.5 Watts and 0.6 Watts. Each end includes an EEPROM which provides product identification and characteristics to the host system. Ascent solutions provide power-efficient connectivity enabling higher port bandwidth, density and configurability at a low cost and reduced power requirement in the data centers. Rigorous cable production testing ensures best out-of-the-box installation experience, performance, and durability.
· Module compliant to OSFP MSA
· InfiniBand NDR compatible
· Transmission data rate up to PAM4 106.25Gbps per channel
· Low power consumption
· Linear PAM4 programmable equalizer optimized for 56GBaud copper link up to max length 5M on 25AWG
· Enable Auto-Negotiation and Link Training
· Low latency<10ps
· Supports device programming by MCU with I2C
· Power supply 3.3V
· Operating case temperature 0°C to +70°C
· RoHS2.0 compliant
Parameter | Symbol | Min. | Max. | Units | Note |
Supply Voltage | Vcc | -0.3 | 3.3 | 3.6 | V |
Storage temperature | Ts | -40 | 85 | °C | |
Operating Case temperature | Tc | 0 | 70 | °C | |
Humidity | Rh | 5 | 85 | % | |
Data Rate | 800 | Gbps |
Recommended Operating Conditions
Parameter | Symbol | Min. | Typ. | Max. | Unit |
Length | L | 0.5 | 5 | M | |
AWG | 32 | 25 | AWG | ||
Jacket material | Hair Tail Technology Net, Gray |
Parameter | Symbol | Min. | Typ. | Max. | Unit |
Power supply voltage | VCC | 3.1 | 3.3 | 3.5 | V |
Input Amplitude | 800 | 1200 | mVpp | ||
Input LOW Voltage | VIL | -0.3 | 0.35*Vcc | V | |
Input HIGH Voltage | VIH | 0.65* Vcc | Vcc +0.3 | V | |
Output Logic LOW | VOL | 0.25*Vcc | V | ||
I2C Master Mode Output Frequency | 400 | kHz | |||
800G end Power consumption | 1.2 | 1.5 | W | ||
400G end Power consumption | 0.3 | 0.4 | W |
Parameter | Symbol | Min. | Typ. | Max. | Unit |
Raw cable impedance | Zca | 90 | 100 | 110 | ohm |
Mated connector Impedance | Zmated | 85 | 115 | ohm | |
Maximum insertion Loss at 26.56 GHz | SDD21 | 11 | 19.75 | dB | |
Differential to common-mode return loss | SCD11/22 | For 0.05 =f =40 GHz, Where f is the frequency in GHz | V | ||
Differential to common-mode conversion loss | SCD21-SDD21 | For 0.05 =f =40 GHz, Where f is the frequency in GHz | V | ||
Common-mode to common-mode return loss | SCC11/22 | RLCC)≥18 For 0.05 =f =40 GHz, Where f is the frequency in GH | kHz | ||
Minimum COM | COM | 3 | dB | ||
Minimum cable assembly ERL | ERL | 8.25 | dB | ||
BER | 2.4x10-4 |
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