9
ENGLISH
REAR PANEL AND CONNECTIONS
1
Power Supply Input:
input for the external 24 V dc - 100 mA
adapter (RCF AC AD2405).
The 24 V dc voltage (from the adapter) is also available on the pins 4 and
5 of the output RJ 45 socket to power the next (up to 3) BM 3022 paging
microphones.
2
RJ 45 Input:
input for the CAT5 cable coming from the previous
BM 3022 paging microphone.
Pins:
1.
audio signal (+, hot)
2.
audio signal (–, cold)
3.
relay contact
4.
ground
5.
power
6.
relay contact
7.
RS-485 (A)
8.
RS-485 (B)
3
RJ 45 Output:
output for the CAT5 cable to either the next BM 3022
or a mixer-amplifier input. Pins: see
2
.
4
Chime Level:
Trimmer to adjust (through a small screwdriver)
the chime level.
5
Output Level:
Trimmer to adjust (through a small screwdriver)
the output audio signal level.
5
4
3
2
1
