Diagnostics
-Definition DVR DCX3520e-M • Installation Manual
-095-25080-x.1
Figure 24: Front panel display for Purchase Status diagnostic
Table 11: Purchase Status Diagnostic Field Descriptions
Field Description
Unsent
The number of purchases in the DCX3520e-M remaining to be polled. It can be an integer from 0 to 63.
Unack
The number of reports that have not been acknowledged by the controller. It is an integer.
Last Seq Num
The last acknowledged sequence number of a purchase sent by the controller. It is a 16-bit, unsigned
hexadecimal number.
Last RB Time
The last time the DCX3520e-M attempted to report back purchases to the controller, in GPS seconds.
IPPV Status
If IPPV is enabled, the IPPV status indicator is on. If IPPV is disabled, the IPPV status indicator is off.
Prep CMD
“Last Prepare for Poll Command” sequence number and time of the last prepare for poll request command
that was sent by the controller. Note that each requesting process maintains an independent sequence of
poll requests to uniquely identify the poll responses.
Prep ACK
“Last Prepare for Poll Acknowledge” sequence number and time of the last Report Purchase request sent by
the controller.
Poll Request
Sequence number and time of the last send poll buffer command that was sent by the controller.
Poll
Acknowledge
Sequence number and time of the last Poll Acknowledge message sent by the controller.
Stack Unit
Unit used in purchase processing.
Show Count
Count used in purchase processing.
Credit Total
Credit used for purchase processing.
Debit Total
Debit used for purchase processing.
purchases