Nvidia Spectrum-2 SN3420 - Interface Speci Cations

NVIDIA Spectrum-2 SN3000 1U and 2U Switch Systems Hardware User Manual 147
threshold. Note that this temperature threshold does not require nor lead to any
action by hardware (such as switch shutdown).
Critical – 120°C: When the ASIC device crosses this temperature, the switch
rmware will automatically shut down the device.
Emergency – 130°C: In case the rmware fails to shut down the ASIC device upon
crossing its Critical threshold, the device will auto-shutdown upon crossing the
Emergency (130°C) threshold.
For thermal threshold denitions in Cumulus Linux, see Conguring SNMP Traps in the
Cumulus User Guide.
Interface Specications
QSFP28 Pin Description
QSFP28 Pin Description
Connector Pin Number Symbol Signal Description
1 GND Ground
2 Tx2n
Connected to Port 2 lane Rx
Inverted Data