– 38 –
CHAPTER 3 INSTALLATION
3.1.5 Installation of Announcement Machine
The standard announcement machine available is PA-4DATA or PA-4DATB (4DAT: 4Digital Announcement
Trunk) card. The 4DAT can be used by simply inserting it in the universal slot of PIR.
If a non-standard announcement machine is used, the connection method and the announcement trunk to be used
as interface vary depending on the machine.
An example of connection is shown in Figure below.
Figure 3-12 Connection of Announcement Machine
Announcement
Machine
Fuse
Power Receiving
Terminal
G
–48V RPT0
COT
No.0 circuit
No.1 circuit
R0
T0
M
(T1)
MDF
OA
OB
OC
(RT)
–48 G
R1
G