Specifies the minimum performance requirements for hard-wired patient alarm systems and gives guidance on their maintenance requirements. It applies to systems usually installed in high dependency health care establishments and may apply to specialist establishments such as aged-care facilities and hostels. It does not apply to telecommunications-based systems using telephone diallers or PABX equipment, or to non-hard-wired systems. Appendices are provided which specify the performance requirements of optional features and give guidance on variations applicable to low-dependency care facilities.