User's Manual

044-05156 Rev C 31
Alarm Cable (optional), P/N 700-00649-001
ALARMS Connector Definition
PIN Alarm Type Function
Operating
State
Alarm
State
1 Minor Continuity with common if no fan fault Closed Open
2 Minor Common Common Common
3 Minor
Continuity with common if one or more fan
faults on any MCPA
Open Closed
4 Major
Continuity with common if all installed
MCPAs are active
Closed Open
5 Major Common Common Common
6 Major
Continuity with common if one or more
MCPAs are disabled
Open Closed
7 Critical
Continuity with common if one or more
MCPAs are active
Closed Open
8 Critical Common Common Common
9 Critical
Continuity with common if all installed
MCPAs are disabled
Open Closed
10 Preamp Major
Continuity with common if external preamp
is functioning correctly
Closed Open
11 Preamp Major Common Common Common
12 Preamp Major
Continuity with common if external preamp
primary channel faults
Open Closed
13 Preamp Critical
Continuity with common if external preamp
primary and redundant channels are
functioning correctly
Closed Open
14 Preamp Critical Common Common Common
15 Preamp Critical
Continuity with common if external preamp
primary and redundant channels are faulted
Open Closed
Cable is 24 AWG,
copper wire stripped
and tinned at one end.
Indicated state
is without DC
power applied.
See ALARMS
Connector
Definition table