Installing Accessories; Sensing Microphones; Auto Volume Microphone Inputs; User Interfaces - Bose FREESPACE 4400 Owner's Manual

4.6 Installing accessories

Installer's Note: Disconnect the FreeSpace 4400 system
from the AC (mains) power before making any input/output
connections.

4.6.1 Sensing microphones

Required accessory:
®
FreeSpace 4400 System Auto Volume Mic Kit [PC042354 (U.S.),
PC042355 (Euro)]
Wall plate-microphone
assembly
Microphone installation:
The wall plate-microphone assembly can be installed using a
single-gang junction box, or the microphone can be removed
from the wall plate and mounted directly on a flat surface.
Junction box installation
Recommended wire length:
Up to 2000 ft (610 m) max., 24 AWG (0.2 mm
pair (shield tied to minus at FreeSpace 4400, floated at sense
mic).
Painting:
Before painting the wall
plate, install the sup-
plied temporary plug
over the microphone
opening. Remove the
plug when finished.
Mounting locations:
For mounting instructions, see "Mounting guidelines for sensing
microphones" on page 4.
4.0 Hardware Installation
Paint plug
(2) Wire nuts
(2) #6-32 (3 mm) screws
Surface-mounted mic
2
) shielded twisted
16 of 66

4.6.2 Auto volume microphone inputs

Connect each sensing microphone to the SENSE MICRO-
PHONES jacks on the FreeSpace 4400 rear panel.

4.6.3 User interfaces

Required accessory: FreeSpace
User Interface [PC042351] or
FreeSpace
User Interface [PC042352] or
FreeSpace
Interface [PC042353]
B
Keypad
Required additional equipment (not supplied):
C
D
RJ45
Cat 5 cable*
connector*
(with 4 twisted pairs)
®
*FreeSpace 4400 System AVM 2-Zone User Interface requires
the use of two (2) RJ45 connectors and two (2) Cat 5 cables.
®
4400 System AVM 1-Zone
®
4400 System AVM 2-Zone
® 4400 System Page User
A
Wall plate
E
Double-gang
junction box