Controlled Electronic Management Systems Ltd INFOPROX 사용자 설명서
Technical Description
InfoProx Entry
InfoProx Entry PCB
General
Reader electronics are totally encapsulated and therefore, PCB components
cannot be accessed. The only components visible at the back of the reader are
connectors, the tamper sensor, the RS485 terminator loop, and the buzzer. The
following major components of the reader are described in the following sections.
cannot be accessed. The only components visible at the back of the reader are
connectors, the tamper sensor, the RS485 terminator loop, and the buzzer. The
following major components of the reader are described in the following sections.
Relays
Each reader has a single dry contact relay that provides a control signal to external
units. The relay is energized through a discrete, EEPROM-controlled switching
circuit, which determines the Relay Idle State.
units. The relay is energized through a discrete, EEPROM-controlled switching
circuit, which determines the Relay Idle State.
The Relay Idle State function (when the reader is available for a transaction)
defines whether a relay is:
defines whether a relay is:
· Normally Closed - relay energized, opening on a valid card swipe or
power fail, Powered to Secure.
· Normally Open - relay de-energized, closing upon a valid card swipe or
power fail, Powered to Unlock.
The Relay Idle State is configured through the reader setup program.
Note
Readers controlling fire exits may be configured Powered to Secure mode,
depending upon local codes.
depending upon local codes.
Tamper Switch
An optical tamper sensor on the board activates when the unit is removed from the
wall, triggering an alarm.
wall, triggering an alarm.
Memory
The reader is supplied with a 512K Static RAM chip (HM628128LP-10 or
equivalent). During normal operation, the IDs of all valid cards are held in RAM.
Details of all transactions that occur at the reader are stored in RAM and can be
downloaded to the workstation when communications are restored.
equivalent). During normal operation, the IDs of all valid cards are held in RAM.
Details of all transactions that occur at the reader are stored in RAM and can be
downloaded to the workstation when communications are restored.
Interconnections
InfoProx Entry reader is designed for ease of installation and maintenance.
Interface connections between the reader circuit board and external items, such as
the exit reader or door locks, are made by means of connectors mounted on the
back of the unit. The function of each of these connectors is detailed below.
Interface connections between the reader circuit board and external items, such as
the exit reader or door locks, are made by means of connectors mounted on the
back of the unit. The function of each of these connectors is detailed below.
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Software
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