Xtramus DApps-MPT V1.4 - Manual (Page 258)

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
Collision Release Gap: Duration between each burst. Set the burst gap to control the
transmission rate of packets. Increasing Frame Gap reduces the fail rate.
 VLAN Setting: Add VLAN tag for test. VLAN (Virtual LAN)
is a group of hosts with common requirements that
communicate within the same Broadcast domain
regardless of the physical location. By clicking the Setup
button, you can configure CoS (class of service) and VID
(VLAN ID) on the pop-up VLAN Setup window. Click Apply
and apply all the changes you’ve made here.
 Enable Smart Burst Gap: The Smart Burst Gap function
is for half-duplex mode only. Enabling this function will
increase test performance and decrease test fail rate.
 Enable X-TAG: X-TAG is a 12-byte tag which is developed
by Xtramus and embedded at 49th~60th bytes of each
testing frames generated by Rapid-Matrix for multi-stream
tests. X-TAG will be added to all the testing frames generated by DApps-MPT.
 Enable S/N Error Check: DApps- MPT will check DUT’s serial number during test if this function is
enabled.
 Enable Capture: System will capture all the packets that meet the criteria (All, Error, CRC Error,
Undersize or Oversize) you set on the scroll-down menu on the right side.
 Enable Flow Control: When enabling this function, the transmitting rate will drop if traffic overflow
occurs. This function must be enabled under full-duplex.
 Enable DI Checksum: Enable this function to add a tag to the frame for tracking frame integrity.
 Halt on if Fail: When this function is enabled, the test process will halt if Fail occurs.
 Disable Check Result: When this mode is enabled, all test procedures will be carried out no
matter the result is Pass or Fail. This mode can only be access if you choose Transmit by Time in
the Packet Setting field.
 Wait for check result: The system will halt for the time you set here before checking test result.
 Wait for read counter: The system will halt for the set microseconds before read the counters.
This function is useful for counters since they are stored in memory buffer and the final counter
value might take some time to read.
 Estimation of Test: System will calculate the amount of packets and the time it will take to transmit
these packets, and display these statistics in Estimated Transmission Packets (Per Port) and
Estimated Packets Transmission Time.