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4.7 System wiring
Installer's Note: Disconnect the E4 unit from the AC
(mains) power before making any input/output connections.
4.7.1 Auto volume microphone inputs
Connect each sensing microphone to the SENSE MICRO-
PHONES jacks on the E4 rear panel.
4.7.2 Serial data communications
Connect your PC to the E4 unit using a straight-wired serial data
cable (DB9 male to DB9 female).
RS232 port pinout
4.0 Hardware Installation
SENSE MICROPHONE
S
RS232
ZONE 1
ZONE 2
ZONE 3
ZONE 4
WALL PLA TE CONNECTIONS
1
2
MUSIC
REMOTE
ZONE 4
HOL
ON/OF F
LINE OUT
PBX O
3
4
12V
AUDIO SOURCE
S
AUX MIC/
P AGE/ MIC/
DIRECT IN /
LINE 1
LINE 2
LINE 3
LINE 4
CONTRO L
PTT
P
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4.7.3 User interface connections
Connect the user interface from each zone to the appropriate
WALL PLATE CONNECTION jack.
Installer's Note: Only use standard ethernet (Cat 5) cable
to connect the user interface to the E4 unit. DO NOT use
crossover (XOV) cables.
4.7.4 Remote standby switch
If you are installing a remote standby switch, connect it to the
REMOTE ON/OFF input.
Remote Standby
Switch
Normally Open
Switch (latching)
SENSE MICROPHONE
S
RS232
ZONE 1
ZONE 2
ZONE 3
ZONE 4
WALL PLA TE CONNECTIONS
1
2
MUSIC ON
REMOT E
ZONE 4
HOLD/
ON/OF F
LINE OUT
PBX OUT
3
4
12V
AUDIO SOURCE
S
AUX MIC/
P AGE/ MIC/
DIRECT IN /
LINE 1
LINE 2
LINE 3
LINE 4
CONTRO L
PTT
E4
REMOTE ON/OFF
PTT