Salto Smartcard, Proximity or iButton RW system Control Unit. On-line for up to two 2000, 5000 or 9000 series readers or 40 Energy savers. Allows "Anti-passback", "Office", Auto Open & Toggle modes, 2 relays, exit switch, tamper, door status & IP inputs. Full SVN including amend ID access priveleges and transfer of "blacklist" & battery status. Keypad & Relay Extension Board option. On line software progammable.