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1.2 Labeling Syntax for Cable Origins
The syntax for cable origins is as follows:
IBLnn-Mn-Pnn
Table 1-1 defines the elements of the syntax:
Table 1-1: Labeling Syntax for Cable Origins
Syntax Element	Definition
AAA-ZZZ	Alphabetic code identifying physical features, such as a port (P), spine switch (S), or module (M).
a	Alphabetic identifier for a physical feature such as Ma for module A.
[|]	Indicates a require element (must be there). Multiple choices are separated by vertical bars.
{|}	Indicates an optional element (might be there). Multiple choices are separated by vertical bars.
n	Integer numbering a feature such as P1 for port 1.
A typical cable origin address is IBL00-M0-P00 (InfiniBand Leaf switch 0 Slot 0 Port 00).