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Model 922-DSLH – User Manual
9.9
Management Information Base (MIB) Counters
The onboard Micrel switch provides access to the MIB counters on 922-DSLH card. The counters can be
viewed using the Focal diagnostic software, as seen in the figure below, or by reading Modbus registers
40401-41050 as outlined in section 0.
The Focal diagnostic software provides both a summarized history of the counters and the active values, which
are sampled every half second. The port usage meters represent the amount of traffic on a port in either direction
(transmit or receive with respect to the card). Alarm indicators will show and highlight any active or past errors.
The following figure shows the "History" view of the P1 SwA MIB counters. The "History" view displays the
software-accumulated counts since the last time a GUI connection was established with the card. If the GUI is
re-started or closed then the history of counts will be cleared.
Figure 9-1: MIB Counters
The "Active" view displays the live counts measured by the switch/microcontroller in the last half a second.
This refresh interval is fixed in hardware and cannot be changed via the GUI.
The "Clear" button is only visible when the user selects the "History" view. When the user presses the "Clear"
button, the total "History" of error counts is set to 0. Switching between "Active" and "History" views does not
clear any accumulated counts.
Focal Technologies Corporation
Page 9-4
A Moog Inc. Company
Document No. 922-0677-00, Rev 1.0
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