Westinghouse SE 6000 Especificaciones descargar pdf (Pagina 19)

WSE • 3/21/97 16720 — 13 SE 6000 Security Management System

9. Backup and Restoration of Security System Definitions:

a. The system shall provide the capability to backup to streaming tape the security system

definition, including both hardware and user information.

b. System back-up shall be initiated by a menu option for optimal simplicity.

c. In the event of data corruption, tampering, or other loss of data integrity, the security system

definitions shall be capable of being restored to the on-line system from the backup tape.

d. Database back-up functions shall be transparent to the system administrator and to the

system functionality. Back-up of the SE 6000 database and transaction logs does not require

the system to be shut down. Operator interaction, such as monitoring, file maintenance and

database entry, shall continue in an uninterrupted state during the process of archiving.

e. The system shall provide capability for a complete back-up of the system via the user

interface, with an accompanying restore ability. The back-up function, presented as a menu

option, offers the choice of either a complete system back-up or a database-only back-up. This

functionality also keeps track of the last date of each type of back-up for historical reference.

Additionally, the application employs a dedicated user log-in to facilitate the recovery of

database back-up tapes, providing a faster, easier, more efficient method of restoring a

database.

F. Access Control Operation: The system shall have the capability to control access via either central

processing or distributed processing. With central processing, Host or Local/Remote Location

Controller shall make all decisions when controlling Westinghouse Security Electronics Access

Control Units (Controllers). For distributed processing, an intelligent Westinghouse Security

Electronics Controller is required to make all decisions locally. Since the system shall operate

differently in these two modes, the following section is divided into three parts, as follows

1. Common Requirements (both Central and Distributed Processing):

a. Expanded Growth Capacity:

1) Through new Host systems, additional controllers, and computer hardware upgrades, the

system shall provide support for large scale systems with an extremely large number of

cardholders, card readers, alarm points, operator terminals, or transaction events. This

unlimited expansion capability shall provide a secure foundation for future growth and,

also retain the investment in the initial system components.

2) Modular software architecture and performance-oriented programming techniques shall

optimize the system to provide minimum response time. From the speed with which

doors are unlocked, and the speed with which reports are produced, the system software

must be able to meet the stringent specification for capacity as listed in Appendix B.

b. Expanded Network Support:

1) The system shall have the capability to implement large scale or multi-location systems

with security devices or computers distributed to remote locations while maintaining

overall control of the network at a central location. Systems may use Local Area

Networks (LANs) or Wide Area Networks (WANs) connected via dedicated or dial-up

communications lines.

c. Event Capture from Access Control Units (Controllers):

1) Host computer shall receive and record all events that occur at all Local Controllers.

2) Event capture shall occur either real-time (to hard-wired devices) or when required (to

dial-up connected devices). These devices may include Local Controllers, Remote

Location Controllers, Remote Dial-up Interfaces, Controllers, and alarm monitor units.

d. Dial-up Reporting from Controllers:

1) When alarms or other priority events occur, Remote Location Controllers or Controllers

connected via dial-up lines shall call Host computer to report the event.

e. Failsoft Operation:

1) If for any reason, communications between the computer and the Controller is

interrupted, the system shall resume control upon restoration of communication.

2) While connected to Host, the system shall constantly update the Controllers with the

information necessary to operate in failsoft mode.

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Westinghouse SE 6000 Especificaciones Pagina 19

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