ZKTeco White LCD Series, Руководство пользователя

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ZKTECO White LCD Serials User Manual
The basic mode adopts C/S mode, please see the following figure
PC
Central database
and Server
PC_server PC_server
Server
A5 A5 A5
Terminal
Prim-Server
Sec-Serv
Assign a primary server by logic partition acts as central database. In
some large applications, a special server can be selected to make sure
that each secondary server can access database fluently, the primary
server can also act as remote server, and it is in the secondary server
with respect to the role of identification service and identical with other
remote server. The only difference between them is that primary server
can play dual role, i.e. database s identification service. At
present, database service is SQL Server.
As above the figure show there are three level in, and is divided by logic.
The direction of identification data stream is:
Primary Server:
1. Fingerprint Scanning.
2. Successful identification results.
3. Initiation setting of application system.
Secondary Server:
1. Fingerprint data of primary server.
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