Difference between revisions of "Network Object Reference"
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(New page: All exchange resources can be referenced either by directory numbers, or “physical numbers”. This is a challenge for the data protocol, as directory numbers can vary in size, and som...) |
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This is a challenge for the data protocol, as directory numbers can vary in size, and some resources have physical addresses with multiple parts. The NET_OBJ_REF is a “variant record” which has a header with byte count plus a type field. The rest of the information is then according to the type field and length. | This is a challenge for the data protocol, as directory numbers can vary in size, and some resources have physical addresses with multiple parts. The NET_OBJ_REF is a “variant record” which has a header with byte count plus a type field. The rest of the information is then according to the type field and length. | ||
The total length can vary from 1 to 16 bytes. | The total length can vary from 1 to 16 bytes. | ||
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NOTE: AlphaCom 08.00 have a fixed size internally of 6 bytes for NET_OBJ_REF fields! | NOTE: AlphaCom 08.00 have a fixed size internally of 6 bytes for NET_OBJ_REF fields! | ||
<header> <contents….> | <header> <contents….> | ||
Revision as of 14:51, 21 June 2007
All exchange resources can be referenced either by directory numbers, or “physical numbers”. This is a challenge for the data protocol, as directory numbers can vary in size, and some resources have physical addresses with multiple parts. The NET_OBJ_REF is a “variant record” which has a header with byte count plus a type field. The rest of the information is then according to the type field and length. The total length can vary from 1 to 16 bytes.
NOTE: AlphaCom 08.00 have a fixed size internally of 6 bytes for NET_OBJ_REF fields!
<header> <contents….>
Where
<header> UINT1 defines both the length and the format:
<length> 4 bits. The length of the representation not including the first byte itself.
<format> 4 bits. The format of the representation. See the table below.
<contents> See the table below.