Check CoE information on the SFP

The following information about the SFP can be read out under 0x90n0: Manufacturer, article number, serial number, date of manufacture and Ethernet encoding.

Check CoE information on the SFP 1:Fig.47: 0x90n0: SFP identification in the CoE

The prerequisite is that the SFP used provides this information.

The limit values for alarm and warning bits are listed under 0xA0n0. The limit values are specified by the SFP manufacturer and cannot be changed.

CoE area

Contents

Benefit during commissioning

0x90n0

SFP identification, manufacturer data, article number, serial number, date of manufacture, encoding information

Check whether the expected SFP is actually plugged in.

0xA0n0

Warning and alarm limit values from the SFP

Basis for the subsequent evaluation of the DDM values.

0x80n0:11

Ethernet encoding choice

Auto, SGMII or 100BaseX: set to match the remote station.