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Plena Mixer Amplifier | Installation and User Instructions | Description
2.4.3
Rear panel
See figure 2.3 for an overview of the connectors and
switches:
1 Cooling fan.
Note
Always allow adequate space at the rear of the
unit for ventilation.
2 Microphone/line 1 input with trigger, Euro style
pluggable screw terminal connector - DIP switch
settings for: chime, PTT (push to talk), mic/line,
speech filter, and phantom power (see number 3).
3 DIP switch for microphone/line 1 and microphone/
line 2 (see numbers 2 and 4 respectively).
4 Microphone/line 2 input, 3 pin Euro style pluggable
screw terminal connector - DIP switch settings for
speech filter, mic/line, VOX, and phantom power
(see number 3).
5 Microphone/line 3 input, 3 pin Euro style pluggable
screw terminal connector - DIP switch settings for
mic/line, and phantom power (see number 6).
6 DIP switch for microphone/line 3 and microphone/
line 4 (see numbers 5 and 7 respectively).
7 Microphone/line 4 input, 3 pin Euro style pluggable
screw terminal connector - DIP switch settings for
mic/line, and phantom power (see number 6).
8 Microphone/line 5 input, 3 pin Euro style pluggable
screw terminal connector - DIP switch settings for
mic/line, and phantom power (see number 9).
9 DIP switch for microphone/line 5 and microphone/
line 6 (see numbers 8 and 10 respectively).
10 Microphone/line 6 input, 3 pin Euro style pluggable
screw terminal connector - DIP switch settings for
mic/line, and phantom power (see number 9).
11 Mains voltage switch, C13 - 115/230
VAC 50/60 Hz.
12 Tel. emergency/70V input, Euro style pluggable
screw terminal connector - VOX function. This input
has highest priority.
13 Call station input, RJ-45 connector - PLE-2CS or
PLE-2CS-MM, chimes are in call station. This input
has second highest priority.
Bosch Security Systems | 2007-10 | PLE-2MA120-US, PLE-2MA240-US en
14 Remote control wall-panel-input, RJ-45 connector.
Wall panel incorporates: BGM source selection, and
zone on/off control.
15 Telephone emergency/70V input volume control -
control range -25 dB to 0dB (see number 12).
16 Chime volume control for microphone/line input 1
(see number 2).
17 Ducking level control for microphone/line inputs 1
and 2 and call stations.
18 Music input (number 1 disc), 2x RCA/cinch
connectors. Stereo, summed mono.
19 Music input (number 2 radio), 2x RCA/cinch
connectors. Stereo, summed mono.
20 Music input (number 3 auxiliary), 2x RCA/cinch
connectors. Stereo, summed mono.
21 Pre-out, amp in insert, 2x RCA/cinch connector -
can be used for EQ or feedback suppressor.
22 Master switch for line out or music (see number 23).
23 Music master output, XLR connector - switch setting
for line out, or music only (see number 22).
24 Outputs and 24 VDC in/out:
•
Zone 1 output, Euro style pluggable screw terminal
connector - 70 V, 25 V and 4 Ohm.
•
Zone 2 output, Euro style pluggable screw terminal
connector - 70 V, 25 V and 4 Ohm.
•
Call only, Euro style pluggable screw terminal
connector 70 V.
•
24 VDC in/out:
•
Input: 24 VDC backup power.
•
Output: built in charger, maximum 0.5 A.
regulated output current. If battery charging is
not required, output can be used for volume
overrides or other purposes.
25 Mains fuse.
26 Ground connection screw.
Note
The unit must be earthed.
27 Mains connector (3-pole).
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