Typical System Configuration; Hi-Q Audio Connection - Philips Hi-Q Digital Video Recorders Installation Instructions Manual

4

TYPICAL SYSTEM CONFIGURATION

A typical system could contain the following components:
Monitor A
PHILIPS
+ S – 1 S 2 S 3 S 4 0
+ S – + S – + S – + S –
AUDIO ALARM
IN IN
1 2 3 4
+ S –
AUDIO
RELAY
OUT
4.1

Hi-Q Audio Connection

The Hi-Q accepts both balanced and unbalanced audio inputs and outputs.
Examples for possible Audio Output connections:
–
+
S
Audio In
S –
+
Audio Out
–
S
+
2-conductor Shielded Cable
NOTE: Balanced connections are more immune
to noise (used for longer distances).
Figure 4.2 Balanced Audio
Monitor B
PHILIPS
MONITOR
SDA
CAMERA
A
LOOP KEYBD
1
B 2
3
CONSOLE
4
Figure 4.1 Typical Configuration
–
To Balanced
S
Audio Device
+
12
ETHERNET
RX COL
SCSI
TX 100
–
+
S
Audio In
S
–
+
Audio Out
–
+
1-conductor Shielded Cable
NOTE: Unbalanced connections are used to connect
audio to monitors using standard RCA-type connectors
(typically used for short distances).
Figure 4.3 Unbalanced Audio
PHILIPS
PHILIPS
Cameras
PHILIPS
PHILIPS
Archive Device (optional)
To Unbalanced
Audio Device
–
+