7270 ALARM I/O CARD clei This unit provides separate dry contact relay outputs for critical, major, minor, audible and visible alarms. It also provides 6 independant external alarm sensor inputs. In the DC system also monitors for the 48/60 VDC A and B fe

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Please specify your question about 7270 ALARM I/O CARD clei This unit provides separate dry contact relay outputs for critical, major, minor, audible and visible alarms. It also provides 6 independant external alarm sensor inputs. In the DC system also monitors for the 48/60 VDC A and B fe *

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