Cirrus-logic CobraNet User Manual Page 106

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106 ©Copyright 2006 Cirrus Logic, Inc. DS651PM25
CobraNet Programmer’s Reference
Management Interface Variable Reference
Name
txBundle
Description
Transmit bundle assignment.
Host Address
0x5n100 (n is 0 based transmitter number)
SNMP Object ID
1.3.6.1.4.1.2680.1.1.7.1.1.2.n (n is 1 based transmitter number)
Type
Integer16
Attributes
Read/write - Persistent
Default Value
0
Implemented Version
2.1.0
Name
txDestinationMAC
Description
This variable is unused and should not be changed from its default value.
Host Address
0x5n101 (n is 0 based transmitter number)
SNMP Object ID
1.3.6.1.4.1.2680.1.1.7.1.1.3.n (n is 1 based transmitter number)
Type
PhysAddress
Attributes
Read/write - Persistent
Default Value
00:00:00:00:00:00
Implemented Version
2.2.0
Name
txPriority
Description
This is a two part variable used to set the preferred time within an isochronous cycle that a bundle is
sent and also the priority this bundle should be given in the event that more than one interface is
attempting to transmit using the same bundle number.
MS byte: Bundle priority. Higher priority bundles are transmitted earlier in the cycle. This can be
reflected in txPosition. On a repeater network, and to some extent on a switched network, bundles
transmitted earlier may be less susceptible to dropouts in the event network bandwidth is
exhausted.
LS byte: Request priority. Only one transmitter is permitted per bundle. If two transmitters attempt
to transmit using the same bundle number, request priority is used to resolve the contention. If
request priority is the same for both transmitters, contention resolution is first-come-first-serve.
Host Address
0x5n104 (n is 0 based transmitter number)
SNMP Object ID
1.3.6.1.4.1.2680.1.1.7.1.1.4.n (n is 1 based transmitter number)
Type
Integer16
Attributes
Read/write - Persistent
Default Value
0x1010
Implemented Version
2.2.0
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