Philips Digital Video Recorders Typical System Configuration, Hi-Q Audio Connection

4 TYPICAL SYSTEM CONFIGURATION

A typical system could contain the following components:

PHILIPS

Monitor A

PHILIPS

Monitor B

PHILIPS

PHILIPS

Cameras

PHILIPS

PHILIPS

+ S –

AUDIO IN

+ S –

AUDIO OUT

1 S 2 S 3 S 4 0	+ S – + S – + S – + S –
ALARM	SDA	MONITOR CAMERA
IN
1 2 3 4		LOOP KEYBD	A
RELAY			1

B2

3

CONSOLE

4

ETHERNET

RX COL	SCSI
TX 100

Archive Device (optional)

Figure 4.1 Typical Configuration

4.1Hi-Q Audio Connection

The Hi-Q accepts both balanced and unbalanced audio inputs and outputs.

Examples for possible Audio Output connections:

+	S	–
+	S	–

Audio In

Audio Out

+	S	–
+	S	–

Audio In

Audio Out

–	–	–	–
		To Balanced
S	S		+
+	+	+
		Audio Device
2-conductor Shielded Cable		1-conductor Shielded Cable
NOTE: Balanced connections are more immune		NOTE: Unbalanced connections are used to connect
to noise (used for longer distances).		audio to monitors using standard RCA-type connectors
		(typically used for short distances).

To Unbalanced Audio Device

Figure 4.2 Balanced Audio Figure 4.3 Unbalanced Audio

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