Amplicenter:
1.
2.
3.
4.
5.
6.
7.
8.
9.
Control Unit:
10.
11.
AC Power in; 115VAC or 230VAC at 50 or 60 Hz
0dBm out, control and audio for remote amplifier
DC Power and 70V audio out to controller
Bass (low frequency) control adjustment
70V out; paging in (redundant to item #9); music in
Level adjustments: Music level, Music “ducking” (mute level), VOX
sensitivity level
LEDs: green – page accessed, red – unbalanced output, red –
overload, green – power on
Telephone system mode switch: Dry loop 600 ohms, Dry Loop Hi Z,
ground start, and loop start
From controller item #16 RJ11 connector (in constant voltage
distribution system) audio and control
DB9 connector for the RS-232 port, which is used to connect a PC
computer for programming (optional) or PC monitoring
Zone option 3-position zone slide switches: set to 70V audio out,
contact closure input, or contact closure output
11A. Zone connector for zones 1-8, plus, minus, and ground terminals
12. LEDs: Yellow – attendant access active, Green – tele. access active
13. DC Power and 70V audio from D-series Amplicenter
14. DC Power, control, and audio 70V output to next expansion Unit
15. 10 position connectors: (pins 1/2) 600 ohm, (pins 3/4) 0dB out for
additional controller and remote amplicenters, (pins 5/6) night bell
input, (pins 7/8) control closure for attendant access input, (9/10)
audio source (mic) attendant access input
16. Audio and control to Amplicenter RJ11 jack, item #9
17. Telephone mode switch: Dry Loop, station access, ground start, and
loop start
18. Telephone system interface for PBX, KTS, or Centrex; standard RJ
11 connector
Zone Expansion Unit:
19. Zone connector for expansion zones: plus, minus, and ground
terminals
19A. Zone option 3-position zone slide switches: set to 70V audio out,
control closure in, or control closure out
20. From controller: power, control, and audio or previous expansion unit
21. To Additional expansion unit: power, control, and audio
22. DIP switch to be set when zone expansion unit(s) are used
2-4 Hardware Configuration
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