Edwards 3-RS485B Network Communications Card SF 01/12 The candela setting is displayed

The candela setting is displayed through the front window for easy identification

Thunderbird Storm 2011-2017

Self-diagnostic capability with on-board storage of data

The S1209 smoke alarms are ANSI/UL 217 and are warranted for one year from date of purchase

In a normal standby condition

Edwards 3-RS485B Network Communications Card SF 01/12 The candela setting is displayedThe Network Communications card mounts to the back of the Central Processor Unit. The 3 RS485A card provides a Class A (Style 7) or Class B (Style 4) circuit for network communications signals. And two additional Class A (Style 7) circuits for the digitized audio signals. The 3 RS485B card provides a Class B (Style 4) or Class A (Style 7) circuit for network communications signals. And a second Class B (Style 4) circuit for the digitized audio