Vanderbilt EMEA - The ACC-AP IP Door Controllers: controlling up to two doors as part of the SiPass* Integrated Access Control system. http://bit.ly/2Pj3hK7 #sipass #accesscontrol #doorcontroller #controller #security | Facebook
Siemens SiPass: redundancy & high availability with a very simple active active solution - Evidian
Access_cat2010 SIPASS SK5 Si Pass Door Entry Phones AC Catalogue2010