The System II single-line IP receiver is designed for proprietary applications such as college/university campuses, gated communities/ condominiums, dealers monitoring account system status, private corporate security and government facilities. - System II supports up to 1024 T-Link accounts (TL300, TL250/TL150), of those accounts, 512 can be supervised - Desktop or rack mountable with the use of a rack kit TCP/IP, USB or serial outputs to automation software - Menu-driven, 40-character, 2-line LCD display with blue backlighting provides instruction when in manual mode - 4 buttons for manual programming and acknowledgment of alarm signals when in manual mode - Onboard flash memory and DSP for future software upgrades and enhancements - CE listed