- Access Control System 門禁系統 (325)
- Access Point WIFI系统 (41)
- Automation System 自動化系統 (26)
- Burglar Alarm System 防盜系統 (120)
- CABD / SMATV System 公共天線 / 衛星天線系統 (90)
- CCTV System 閉路電視系統 (1468)
- Electric Fence 防盜電網 (202)
- Intercom System 內線對講系統 (64)
- PABX System 電話跳線系統 (64)
- Public Address System 公共廣播系統 (301)
- Video Doorphone System 視像對講機系統 (124)
"AEX" VES 612LS, Network Audio Extract Expander
VES 612LS
This Network Audio Extract Expander decodes network audio and distribute it into 12 zones. Audio signals fed into the 12 zones are coupled with trigger signals to activate the classroom amplifiers. This unit comes with a Control IN and a RS-232 communication port.