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3.2 Rear panel
1
SENSE MICROPHONES
ZONE 1
ZONE 2
ZONE 3
WALL PLATE CONNECTIONS
1
2
3
3
4
5
AUDIO SOURCES
AUX MIC/
LINE 1
LINE 2
LINE 3
3.2.1 System controls
1
SENSE MICROPHONES – Input connectors for sensing
microphones used with the Auto Volume feature. See the Auto
Volume Kit.
2
RS-232 – Standard RS-232 communications port. Provides
a communications interface for a PC running FreeSpace
Installer™ software. The Installer™ software is used to configure
the E-4 hardware.
3
WALL PLATE CONNECTIONS – Input connectors for stan-
dard and Auto Volume user interfaces
4
REMOTE ON/OFF – An input connector for a remote
STANDBY switch
3.2.2 Audio source inputs
5
LINE 1/LINE 2 – Unbalanced audio inputs
AUX MIC/LINE 3 – Balanced audio input with phantom power
PAGE/MIC/LINE 4 – Balanced audio input with phantom power
DIRECT IN/CONTROL – Balanced (DSP bypass at max. power)
3.0 E-4 Hardware Description
2
RS232
ZONE 4
8
4
7
MUSIC ON
REMOTE
ZONE4
HOLD/
ON/OFF
LINE OUT
PBX OUT
12V
PAGE/ MIC/
DIRECT IN/
LINE4
CONTROL
PTT
PTT
6
USE ONLY CLASS 2 WIRING
1
CONNECTOR
ORIENTATION
3
®
LISTED 917D
T
ü
V Rheinland
AUDIO
EQUIPMENT
This device complies with part 15 of the FCC rules. Operation is
subject to the following conditions: (1)This device may not cause
harmful interference and (2)this device must accept any interference
received,including interference which may cause undesired operation.
Complies with Canadian ICES-003 Class A Spec.
3.2.3 Amplifier outputs
6
ZONE OUT 1/2/3/4 – Speaker connections for four zones
Installer's Note: Please notice the polarity markings when
wiring speaker cables to the ZONE OUT connectors.
CAUTION: DO NOT ground the minus (–) terminals.
®
system
7
ZONE 4 LINE OUT – A line-level output that duplicates the
program material from LINE 4. May be used to feed another
amplifier installed for a large zone. The 12V control output is used
to connect to Bose
8
MUSIC ON HOLD/PBX OUT – An audio output used to
provide music input to a PBX system
3.2.4 AC power
9
OUTPUT VOLTAGE – Sets the ZONE OUT lines to 70/100V.
Set fuse box to 100/120V for 70V; 220/240V for 100V
10
POWER ON/OFF – Switches AC power on or off
11
Fuse box – Configures the E-4 for 100/120V or 220/240V.
Set OUTPUT VOLTAGE to 70V for 100/120V; 100V for 220/240V.
12
AC line cord jack – AC line voltage input
24 of 76
RISK OF ELECTRICAL SHOCK
RISQUE DE CHOC ELECTRIQUE
DO NOT OPEN
NE PAS OUVRIR
ZONE OUT
2
9
ZONE OUT
OUTPUT
4
VOLTAGE
70V
100V
100/120V~AC T6.25A, L250V
220/240V~AC T3.15A, L250V
DO NOT SWITCH
WHILE POWER IS ON
300W MAX
geprüfte
FreeSpace Model E-4
Sicherheit
400 Watt System Electronics
Bose Corporation, Framingham, MA 01701-9168
Made in the U.S.A.
®
amplifier sequence inputs.
10
ON
POWER
OFF
11
50/60Hz
12