Casio Qt2100 User Manual

I-11QT-2100 Installation & Down Recovery Manual
2. System down and recovery
In the QT-2100 system, the check tracking system has their master and backup master and
remote printer printing system has their master printer and backup master printer. If both
masters (or corresponding printers) go down, the check tracking system, and remote printer
printing system cannot continue any processing. Therefore, the system must be designed
such that even if the master goes down, their processing remains unaffected....

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Down Recovery
2-1. Measures to prevent trouble
The QT-2100 system hardware boasts exceptional reliability. However, no machine can
be completely free from trouble. When a given system can predict a possible trouble or
permits a failing point to spotted easily, the time required for repair can be cut and
consequently, the overall system reliability can be improved.
The QT-2100 system offers a self-diagnostic program for servicemen to enable individual
devices to be checked at the terminal level. For...

I-13QT-2100 Installation & Down Recovery Manual
2-2. Master terminal failure
The master has important files, such as check tracking files. If the master terminal goes
down, the following undesirable condition results:
1) The check tracking processing (open check, close check. etc.) being performed cannot
be continued. (In case of Check Tracking master goes down.)
2) The receipt cannot be printed out to remote printers. (In case of Remote printer master
goes down.)
If the master terminal failed,...

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Down Recovery
2. Selecting “YES” retries communication with the master.
Selecting “NO” turns on the master’s down flag and broadcast
it to all of the terminals. Then the “Cut off Master/BM icon”
is lit.
Note:
Do not press “No” key unless attempting “Retry” operation.
Press “ Yes” key to retry to send data to master terminal
when the error message is shown on the display.
3. When there is no backup master, this message will appear on
the display.
2-2-1-2. Master failure during check tracking...

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2-2-2. Remote printer failure
2-2-2-1. Detection of remote printer failure
With the QT-2100 system, the satellite terminal assumes that the master printer is down
when it could not obtain any response to its inquiry. The master printer is assumed to have
gone down in the following cases:
1) The power cable is disconnected from the outlet (the terminal or the printer).
2) Trouble with the inline between the terminal connected with the master remote printer...

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Down Recovery
2-3. Recovery processing
With the QT-2100 system, the processing being performed can be continued by a backup
master even when a master goes down. However, at the end of the daily operations, the
master which has been down should be restored so that it can operate normally on the next
day.
2-3-1. Master/backup master down detection
1) After daily operations, check the “Cut off Master/BM” icon.
2) If the icon is lit on any terminal, the system has been downed in the day.
3) Turn off/on...

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CASIO COMPUTER CO., LTD.
6-2, Hon-machi 1-chome
Shibuya-ku, Tokyo 151-8543, JapanIR0202-003001-A
Printed in Japan
QT-2100IM*E
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