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Example for a ZVT startup
08 13 4B // Command 08 13
06 49 // TLV Container
2D 47 // Tag 2D
1C 45 // Tag 1C
20 43 // Tag 20
01 08 3132333435363738 // TID "12345678"
02 01 01 // PU 1
03 0F 3132332E3033322E3130332E303032 // IP Address 123.032.103.002
04 0F 3235352E3235352E3030302E303030 // Subnet Address 255.255.000.000
05 0F 3030302E3235352E3032302E313233 // Gateway 003.255.020.123
06 01 01
6.4.1.3 Cyclic poll of terminal status
The status of the terminal must be required with the ZVT-commands "status inquiry" at certain
intervals (recommended: at least every 3 seconds) for this reasons:
1. It can be detected if communication problems have occurred with the terminal.
2. The lock states of the terminal can be detected and maybe resolved.
3. Automatic actions of the terminal as maintenance calls, updates, etc. will only be
started.
If the terminal is not able to perform card payments at the moment, this can be immediately
displayed to the customer. In this case the customer will not start a card payment since it will
be aborted with an error.
The different states are described in the product specific instruction in chapter „terminal
status“.
Since the terminal cannot give reactions on the ECR interface for a longer time while
performing an update, the status poll may not be used in this case. The vending machine has
to send status polls with reduced cycle rate to the terminal.
6.4.1.4 Reconciliation with closure
The reconciliation must be started by the vending machine. This must be done at least if the
status „B1
hex
/177
dez
Memory full“ has been detected.
6.4.1.5 Receipt printing
Preferably at a transaction the receipt which is send via “Line print” or “Block print” command
to the vending machine should be printed.
If the service of the terminal with the command "service mode switch" is called, it is possible
for some menu items that document information is transmitted to the vending machine (e.g.
Diagnosis receipt). The vending machine should be able to process them. The number of
printed lines can be very high by sending the final command or by exit the menu. This depends
on the activities which the technician is performing in the menu. The machine should be able
to process a very large number of print lines. If there are not enough buffers for the print data
at the machine, this could possibly be applied as a cyclic buffer.
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