What is VeriPHY Cable Diagnostic?

VeriPHY is a function that helps network administrator to monitor the physical status of the cable.

   

What is Pair A, B, C, and D?

The pair is the twisted pair of Ethernet cable, and each pair corresponds to a set of pins.

Pair

Pins

Function

A

1 and 2

This pair controls whether or not the port should go up or down

B

3 and 6

Protocol-level and controls FastEthernet

C

4 and 5

Power over Ethernet (PoE)

D

7 and 8

GigabitEthernet

 

Depends on the status of each line pair, there are different meaning of length.

Status

Description

Meaning of Length

OK

Good cable, good pair

The length of the cable (Note that the length is only accurate for cables of length 7m to 140m)

Open

An opening is detected on the cable

The position of the opening

Abnormal

The impedance is not within the expected bounds, either too high or too low

The position of the abnormal impedance

Short

A short is detected on the cable. cable length is shorter than 7m

The position of the short

Cross

Abnormal cross-pair coupling in pair

The position of the cross-pair coupling

 

Was this article helpful?
15What is VeriPHY Cable Diagnostic? has been viewed------ 15 ------times.