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Galaxy 2 Series Installation Manual
2-Way Audio (2–44+ Only)
The system can support up to three TP500/800 speaker-mic devices via the audio header. To allow connec-
tion via the Audio Header, an Audio Terminal Board must be fitted (part no. A233—2-way Audio Terminal
Board).
Alternatively, a 14-way socket can connect directly on to the Audio Header on the main PCB.
The terminal board is fitted to the top of the main panel PCB as shown in the following Figure.
Figure 28. Audio Terminal Board fitted to PCB
The TP500/800 modules can be adjusted for audio levels. Refer to the instructions supplied with the modules
for further information.
The wiries between the TP500/800 units must be no longer than 30 metres in total. The wires are connected
to the terminal board as shown in the following table:
Table 13. Audio Header to TP500/800 Wiring
When one or more TP500/800 units are connected to the system, two types of audio communication are
possible:
1. Listen-in after alarm. In this mode, the panel will stay on-line after sending an alarm signal to the
ARC. to allow the operator to listen to the audio on site. A suitably equipped ARC will be required for
this.
2. Remote dial-in listen. In this mode, a user can dial into the alarm system from any telephone and type
in a special PIN code (controlled in Menu 42, user 99). This will allow the user to listen to the audio on
site, and talk to the site.
All 2-way audio configuration is controlled in menu 56.8.=Comms.2-Way Voice.
2-Way Audio
Audio Terminal Board
fitted to Audio Header
on main PCB
RIO 1
1
2
0v
3
4
0v
5
6
0v
7
8
9
10
0v
0v
11
12
0v
LED 1
RML
ECT CMD
N/C
V+
V-
NOTE: Audio Terminal Board must be fitted in
orientation shown in diagram.
Audio Header TP800
ECT ECOUT
RML RML
CMD CMD
N/C NOT USED
VS+ VS+
VS- VS-
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