4.4 EXTERNAL INTERFACES
The Compact MPA PA/GA system is equipped with various control outputs for external equipment. This is intended for
addional warnings and indicators. Ref. drawing in 9.3.
Terminals Name Input/output Interface
Current /
Impedance
1 – 2 A ~
Loudspeaker loop,
Zone 1
Output
100VAC 2.5A
3 – 4 B ~ 100VAC 2.5A
5 – 6 A ~ 100VAC 2.5A
7 – 8 B ~ 100VAC 2.5A
9-10 A ~
Loudspeaker loop,
Zone 2
Output
100VAC 2.5A
11-12 B ~ 100VAC 2.5A
13-14 A ~ 100VAC 2.5A
15-16 B ~ 100VAC 2.5A
17-18 A ~
Loudspeaker loop,
Zone 3 Output
100VAC 2.5A
19-20 B ~ 100VAC 2.5A
21-22 A ~ 100VAC 2.5A
23-24 B ~ 100VAC 2.5A
25-26 A ~
Loudspeaker loop,
Zone 4 Output
100VAC 2.5A
27-28 B ~ 100VAC 2.5A
29-30 A ~ 100VAC 2.5A
31-32 B ~ 100VAC 2.5A
33-34 A ~
Loudspeaker loop,
Zone 5 Output
100VAC 2.5A
35-36 B ~ 100VAC 2.5A
37-38 A ~ 100VAC 2.5A
39-40 B ~ 100VAC 2.5A
41-42 A ~
Loudspeaker loop,
Zone 6 Output
100VAC 2.5A
43-44 B ~ 100VAC 2.5A
45-46 A ~ 100VAC 2.5A
47-48 B ~ 100VAC 2.5A
49 Z1ref+24V
Volume Override control
outputs
Output
Open collector source/
sink
24VDC 40 mA
51 Z1
53 Z3ref+24V
Open collector source/
sink
24VDC 40 mA
55 Z3
57 Z5ref+24V
Open collector source/
sink
24VDC 40 mA
59 Z5
61 Not in Use
63 Not in Use
50 Z2ref+24V
Volume Override control
outputs
Output
Open collector source/
sink
24VDC 40 mA
52 Z2
54 Z4ref+24V
Open collector source/
sink
24VDC 40 mA
56 Z4
58 Z6ref+24V
Open collector source/
sink
24VDC 40 mA
60 Z6
62 Not in Use
64 Not in Use
65 Al. 1 ref -
Direct Alarm inputs Input Dry contact input
≈20VDC 2 mA
67 Al. 1
69 Al. 2 ref -
≈20VDC 2 mA
71 Al. 2
73 Al. 3 ref -
≈20VDC 2 mA
75 Al. 3
77 Al. 4 ref -
≈20VDC 2 mA
79 Al. 4
66 Al. 1 ref +
Alarm status outputs Output
Open collector source/
sink
24VDC 40 mA
68 Al. 1
70 Al. 2 ref +
24VDC 40 mA
72 Al. 2
74 Al. 3 ref +
24VDC 40 mA
76 Al. 3
78 Al. 4 ref +
24VDC 40 mA
80 Al. 4
81 Alarm Sync IN
Alarm sequence input Input Dry contact input ≈20VDC 2 mA
83 Alarm Sync Ref-
85 EMPA_NO
Emergency PA acve
output, Normally Open
Output Dry contact output -- 0.3 A
87 EMPA_CO