Table of Contents
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• Backup server system
One of the clients can be designated to serve as a backup server.
The backup server has the same database as the POS server. The backup server merges the updated data
into its own database as follows.
Backup
server
Transaction
database
Preset
database
• When the POS server breaks down (in the backup server system):
When the client detects a breakdown of the POS server, the message ("Retry" or "Use Backup Server
Only") is displayed.
If the "Use Backup Server Only" option is selected, the backup server will be activated as the POS server.
Backup
server
Transaction
database
Preset
database
140
POS server
Merge
Transaction
database
Download
Preset
database
POS server
Merge
Transaction
database
Download
Preset
database
Upload (update)
Local transaction
Download
Upload (update)
Local transaction
Download
Download
Upload (update)
Client
Registration
database
Preset
database
Client
Registration
database
Preset
database
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