1296   Total number of ports missing

This tissue has following status: white

Created: 04 Aug 2014

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Page: 160f.

Clause: 19.4.3.2.2

Paragraph:

Category: Issue for edition 2 of this part

Issue: The current switch model is missing the number of potential ports (necessary to model existing, but not equipped slots on a switch).

In SNMP, this is covered by ifNumber. The equivalent needs to be modelled in the IEC61850 model.

Proposal: I see 2 possibilities:

1) (preferred) add a DO to the (anyway already modified) LPHD e.g. IfCount (INS) or similar

2) (less good, because of dependencies) Make the modelling of ports in the Communication section mandatory for switches. <P type="Port">xxx</P> value should match PortNam, and an additional element <P type="PortNum">1</P> should match PortNum; “empty” slots would be modelled as <P type="PortNum">1</P> without a matching PortNum in the Switch DATA model (see also tissue 1295).

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