Tadiran Telecom Coral IPx Office, Installation And Hardware Reference Manual, Page: 396 / 510

9-84
Shared Service Cards Coral IPx Office Installation Manual
Vo
ice Paging
(Public Addr
ess) a
nd Relay-1
Public Addr
ess
9
0
Each U-RMI Office , U-MR Office, RMI Office or MR Office card provides a voice page
interface for external paging and public address. The interface supplies a line-level
(-10dBm or 50 to 100mV), 600
Ω
, balanced audio output, and a Single Pole, Single
Throw, Normally Open or SPST - NO (form A) relay RLY1 contact.
Figure 9-22
and
Figure 9-23
illustrate connections to two typical examples of voice paging systems.
The audio output of the voice page interface may drive amplified speakers directly.
The number of speakers which may be driven varies from manufacturer to
manufacturer. See speaker manufacturer documentation for specific details.
The paging connector is a stereo 3.5 mm phone plug, see
Figure 9-9 on page 9-17
.
Figure 9-22 Page -
Wiring To Paging
Amplifier
Figure 9-23 Page -
Wiring To Amplified
Speakers
...................................................................................................
6 External Connections
Voice
Page
(Out)
Amplifier
Control
Balanced
600 ohm
Input
RLY1
U-RMI Office
Coral
IPx Office
1
2
Audio
Paging
Amplifier
x
External
Connectors
J1
J1
M2/P
Relay
Contacts
Amplified
Speaker
Power Supply
Balanced
600 ohm
Output
x
Amplified
Speakers
Coral
IPx Office
U-RMI Office
RLY1
Voice
Page
(Out)
External
Connectors
J1
J1
M2/P