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Identifying Card Types
The Applications Specific Integrated Circuit (ASIC) used on the UC625 annunciator
varies depending on the options specified at the time of order
The optional functions are defined below
M2 = Modified Ringback sequence, disabled ring back audible and lamp test in place of system test.
M3 = ISA R12 Ringback sequence, disabled Ringback horn, lamp test in place of system test and
response time changed to 5mS trip 5S pre-alarm.
M4 = ISA R12 Ringback sequence, disabled ring back audible, lamp test in place of system test,
response time changed to 5mS trip and 5S pre-alarm and combined Lamp / Audible Test
pushbutton function.