HCS-4222/50W dvigubo kompiuterio serverio karštosios atsarginės programinės įrangos modulis (balsavimui belaidžiu ryšiu)

HCS-4222/50W dual PC server hot-spare is a disaster protective structure. If the main operating computer breaks down during a conference, the backup computer immediately starts up to continue conference management. After connection to main operating computer, the backup console application first starts an automatic backup (incl. database and conference related information). If there is any change in the database, the backup console application will update backup automatically.

• Wireless digital communication, adopting multilevel error correction and encrypted coding for high confidentiality and low error rate
• Voting unit will upload data on its time slot, this communication type is faster than roll polling. It takes about 1 second for 100 voting units uploading data
• When powered on, voting unit will search RF channel and join in the eligible RF channel automatically
• RF transceiving range: 100 m (frequency optional)
• Max. system capacity: 1200 wireless voting units
• Large LCD for displaying voting and sign-in information, easy to use
• Screen backlight can be turned on/off by software
• Key-press sign-in
• Two alkaline batteries (AA battery) for continuous using not less than 120 hours