Doc.No.: 03118-000
-DE
Page 13 of 16
6. EXTERNAL INTERFACES
The MPA 1600 PA/GA sy
stem is equipped with various control outputs for external equipment. This
is intended for additional warnings and indicators. See also doc. 03118-025-EC:
Terminals Name Description Input/output Interface Voltage Current /
Impedance
1 – 2 0V / AL1 Direct Alarm
in
puts
Input Dry contact input ≈20VDC 2 mA
3 – 4 0V / AL2 ≈2
0VDC 2 mA
5 – 6 0V / AL3 ≈2
0VDC 2 mA
7 – 8 0V / AL4 ≈2
0VDC 2 mA
9 – 10 0V / AL5 ≈2
0VDC 2 mA
11 – 12 0V / AL6 ≈2
0VDC 2 mA
13 – 14 0V / AL7 ≈2
0VDC 2 mA
15 – 16 0V / AL8 ≈2
0VDC 2 mA
17 – 18 +24V / AL1
ACT
A
larm status outputs Output Open collector
source/sink
24VDC 40 mA
19 – 20 +24V / AL2
ACT
24VD
C 40 mA
21 – 22 +24V / AL3
ACT
24VD
C 40 mA
23 – 24 +24V / AL4
ACT
24VD
C 40 mA
25 – 26 +24V / AL5
ACT
24VD
C 40 mA
27 – 28 +24V / AL6
ACT
24VD
C 40 mA
29 – 30 ALARM ON Any Alarm ON status Out
put Dry contact output -- 0.3 A
31 – 32 ALARM
SYNC
IN
Alarm sequence input Input Dry contact input ≈20VDC 2 mA
33 – 34 ALARM
SYNC OUT
Alarm sequence monitor output Output Dry contact output -- 0.3 A
35 – 36 GENERAL
W
ARNING
Error monitoring output Output Dry contact output -- 0.3 A
37 – 38 POWER
F
AIL
Power monitoring output, Normally
Closed
Output Dry contact output -- 0.3 A
39 – 40 POWER
F
AIL
Power monitoring output, Normally Open Output Dry contact output -- 0.3 A
41 – 42 -- Not in
Use -- -- -- --
43 – 44 TALK USED Any PTT is active output Out
put Dry contact output -- 0.3 A
45 – 46 EXT. PA
OUT
(AU
DIO)
System Audio during PTT/EM PTT Output Galvanically
balanced audio
output
0dBu 230 Ω
47 – 48 EXT. PA IN
(AU
DIO)
System Audio for external Paging Input Galvanically
balanced audio input
0dBu 15 kΩ
49 – 50 PA1 / 0V Direct Paging inputs I
nput Dry contact input ≈20VDC 2 mA
51 – 52 PA2 / 0V Dr
y contact input ≈20VDC 2 mA
53 – 54 PA3 / 0V Dr
y contact input ≈20VDC 2 mA
55 – 56 PA4 / 0V Dr
y contact input ≈20VDC 2 mA
57 – 58 PA5 / 0V Dr
y contact input ≈20VDC 2 mA
59 – 60 PA6 / 0V Dr
y contact input ≈20VDC 2 mA
61 – 62 PA7 / 0V Dr
y contact input ≈20VDC 2 mA
63 – 64 PA8 / 0V Dr
y contact input ≈20VDC 2 mA
65 – 66 +24V / 0V Power output Output Power supply outp
ut 24VDC 140 mA
67 – 68 -- Not in
Use -- -- -- --
69 – 70 -- Not in
Use -- -- -- --
71 – 72 +24V / EM
PA
EM PTT is a
ctive Output Open collector
source/sink
24VDC 40 mA
73 – 74 -- Not in
Use -- -- -- --
75 – 76 -- Not in
Use -- -- -- --
77 – 78 -- Not in
Use -- -- -- --
79 – 80 B-SYSTEM
SENSOR
Shorted when system is System B i
n a
dual system configuration
Input Dry contact input ≈20VDC 2 mA
81 – 82 POWER
USER INTERFACE 1
Output Power supply output 24VDC 140 mA
83 – 84 AUDIO I
nput Electronically
balanced audio input
2Vrms 15k Ω
85 – 86 RS485 Bi
directional Data communication
tranceiver channel
RS485
5V 100 Ω