Testing transceiver ports of a network device with on-chip time domain reflectometry diagnostic tests

A network device, comprising:

• one or more processors to:
• identify a port group number, port lanes, and port channels associated with a transmitter integrated circuit and a receiver integrated circuit of the network device;
• map the transmitter integrated circuit, the receiver integrated circuit, the port group number, the port lanes, and the port channels to a transceiver port of the network device;
• provide a first time domain reflectometry pulse to a first channel of the transceiver port at a first time and with a first voltage;
• receive a first reflected time domain reflectometry pulse via the first channel at a second time and with a second voltage;
• calculate a first distance and a first impedance of the first channel based on the first time, the second time, the first voltage, and the second voltage;
• determine a status of the first channel based on the first distance and the first impedance, wherein the one or more processors, to determine the status, are to:
• determine a programmable threshold corresponding to the first channel using logistical regression, and
• assign a pass status or a fail status to the first channel based at least in part on comparing the first impedance with the programmable threshold;
• provide a second time domain reflectometry pulse to a second channel of the transceiver port at a third time and with a third voltage;
• receive a second reflected time domain reflectometry pulse via the second channel at a fourth time and with a fourth voltage;
• calculate a second distance and a second impedance of the second channel based on the third time, the fourth time, the third voltage, and the fourth voltage;
• determine a status of the second channel based on the second distance and the second impedance;
• and
• output the status of the first channel and the status of the second channel.

A non-transitory computer-readable medium storing a set of instructions, the set of instructions comprising:

• one or more instructions that, when executed by one or more processors of a network device, cause the network device to:
• identify a port group number, port lanes, and port channels associated with a transmitter integrated circuit and a receiver integrated circuit of the network device;
• map the transmitter integrated circuit, the receiver integrated circuit, the port group number, the port lanes, and the port channels to a transceiver port of the network device;
• provide a first time domain reflectometry pulse to a first channel of the transceiver port at a first time and with a first voltage;
• receive a first reflected time domain reflectometry pulse via the first channel at a second time and with a second voltage;
• calculate a first distance and a first impedance of the first channel based on the first time, the second time, the first voltage, and the second voltage;
• determine a status of the first channel based on the first distance and the first impedance, wherein the one or more instructions, to determine the status of the first channel, cause the network device to:
• determine a programmable threshold corresponding to the first channel using logistical regression, and
• assign a pass status or a fail status to the first channel based at least in part on comparing the first impedance with the programmable threshold;
• provide a second time domain reflectometry pulse to a second channel of the transceiver port at a third time and with a third voltage;
• receive a second reflected time domain reflectometry pulse via the second channel at a fourth time and with a fourth voltage;
• calculate a second distance and a second impedance of the second channel based on the third time, the fourth time, the third voltage, and the fourth voltage;
• determine a status of the second channel based on the second distance and the second impedance;
• and
• output the status of the first channel and the status of the second channel.