Connecting External Cables
Installation Handbook, AutroSafe Interactive Fire Detection System, Release 4, 116-P-ASAFE-INSTALL/DGB Rev. I, 2014-04-01,
Autronica Fire and Security AS
Page 39
9.4 AutroFieldBus Connections
9.4.1 Connections to BS-420/BC-420 - Terminal Block (List 1)
Shielded cable required.