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The T-Module is designed to enable VPII S Mode 3 to
be directly interfaced to the TCP/IP network. Its basic
operation is to convert data from RS232 to TCP/IP and
vice versa. All data for TCP?IP communication is encrypted
by AES ( Advanced Encryption Standard) for secure communication
in the public network.
The VPII-T module provides easy implementation of central
server system when designing access control and/or time
attendance application using VPII-S Mode 3 hand vascular
pattern verification terminal. The central server system
can be a PC or a server computer or an embedded system
designed for the purpose of access control.
The T-Module also has door lock control functions in
order for the server system o implement a complete access
control system without using additional devices. Moreover,
the T-Module is capable of storing a limited amount
of user data so that the user can access the system
even if the server system is shut don or the communication
function of the TCP?IP network in in trouble (Sage Mode
Operation). The T-Module can refer to a maximum of 2
server systems, one of which can serve as a backup.
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