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COMMON FEATURES FOR BM 9802 / 9804 PAGING MICROPHONES
COMMON FEATURES FOR
BM 9802 / 9804 PAGING
MICROPHONES
REAR PANEL
-
Die-cast metal enclosure with 445 mm gooseneck
-
Preamplified hypercardioid hi-quality microphone
-
Complete self-diagnostic (EN 54-16)
-
Powered by either the main unit bus or 24 V dc adapter
-
Backlit LCD
-
‘Evacuation’ and ‘Alert’ LEDs
-
‘Chime’ and ‘PTT’ buttons
-
5 m connecting cable (with RJ 45 plugs) included
REAR PANEL
INPUT:
RJ 45 port to be linked to either a DXT 9000 main unit
PAGING IN
port or the previous paging microphone
OUTPUT
.
OUTPUT:
RJ 45 port to be linked to the next paging microphone
INPUT
port.
CONNECTION
PIN
INPUT
PIN
OUTPUT
1
Audio signal (+, hot)
1
Audio signal (+, hot)
2
Audio signal (–, cold)
2
Audio signal (–, cold)
3
Digital and power supply ground
3
(not used)
4
Audio signal ground
4
Audio signal ground
5
Audio signal ground
5
Audio signal ground
6
Power 28 V dc
6
(not used)
7
RS 485 A (+)
7
RS 485 A (+)
8
RS 485 B (–)
8
RS 485 B (–)
INPUT
POWER SUPPLY
INPUT
OUTPUT