09/08 Pub.
42004-417A
iii
Table of Contents
FOREWORD ....................................................................................................................................................... 1
S
COPE OF
M
ANUAL
.............................................................................................................................................. 1
N
OMENCLATURE
................................................................................................................................................. 1
O
RDERING
R
EPLACEMENT
P
ARTS
......................................................................................................................... 1
S
ERVICE AND
R
EPAIR
.......................................................................................................................................... 1
FCC
I
NTERFERENCE
W
ARNING
............................................................................................................................ 1
S
AFE
H
ANDLING OF
CMOS
I
NTEGRATED
C
IRCUIT
D
EVICES
.................................................................................. 2
DESCRIPTION .................................................................................................................................................... 3
F
EATURES AND
B
ENEFITS
.................................................................................................................................... 3
I
NTRODUCTION TO THE
ACC2500
A
UDIO
C
ONTROL
C
ENTER
................................................................................ 4
S
YSTEM
C
OMPONENT
R
EFERENCES
...................................................................................................................... 4
D
ESK
S
ET
B
UTTON
P
ANEL
................................................................................................................................... 5
I
NTERNAL
M
ICROPHONE AND
S
PEAKER
................................................................................................................ 6
H
ANDSET
............................................................................................................................................................ 6
C
ONNECTORS
...................................................................................................................................................... 7
Power Connector ........................................................................................................................................... 7
AMI Connections........................................................................................................................................... 7
A
CCESSORIES
,
AND
O
PTIONS AND
K
ITS
................................................................................................................ 9
P
ERFORMANCE
S
PECIFICATIONS
......................................................................................................................... 10
OPERATION ..................................................................................................................................................... 11
D
ISPLAY
........................................................................................................................................................... 11
I
DLE
M
ODE
....................................................................................................................................................... 12
Z
ONE
S
ELECTION
.............................................................................................................................................. 12
I
NITIATING
L
IVE
V
OICE
B
ROADCASTS WITHOUT AN
A
LARM
................................................................................ 13
Handset Transmit ........................................................................................................................................ 14
Transmit from Internal (Local) Microphone................................................................................................. 14
Transmit from Desk Microphone or Footswitch ........................................................................................... 14
A
LARM
S
ELECTION
........................................................................................................................................... 15
I
NITIATING
A
LARM
B
ROADCASTS WITHOUT
V
OICE
............................................................................................. 16
S
TOPPING THE
B
ROADCAST OF AN
A
LARM
.......................................................................................................... 17
STOP/CLR
VS
.
DEACT.................................................................................................................................... 17
I
NITIATING
L
IVE
V
OICE
B
ROADCAST DURING AN
A
LARM
B
ROADCAST
................................................................. 18
O
VERDIALING
DTMF........................................................................................................................................ 18
P
ROGRAMMABLE
B
UTTONS
................................................................................................................................ 19
VOLUME
U
P AND
VOLUME
D
OWN
B
UTTONS
................................................................................................. 19
C
OMBINATION
B
UTTON
O
PERATION
................................................................................................................... 20
TIME
B
UTTON
................................................................................................................................................. 20
INSTALLATION ............................................................................................................................................... 21
P
LANNING THE
I
NSTALLATION
........................................................................................................................... 21
Mounting ..................................................................................................................................................... 22
FCC Interference Warnings ......................................................................................................................... 22
Electrostatic Discharge (ESD) Protection.................................................................................................... 22
Cable Installation Safety Considerations ..................................................................................................... 23
P
OWER
C
ONNECTION
........................................................................................................................................ 23
A
UDIO AND
D
ATA
C
ONNECTION
........................................................................................................................ 23
M
ICROPHONE
S
ENSITIVITY
A
DJUSTMENTS
......................................................................................................... 24
Internal Microphone Sensitivity ................................................................................................................... 24
Handset Microphone Sensitivity................................................................................................................... 24
L
EVEL
A
DJUSTMENTS AND
D
IAGNOSTICS
........................................................................................................... 25
Programming Menu ..................................................................................................................................... 25
Summary of Contents for ACC2500
Page 43: ...39 09 08 Circuit Boards...
Page 44: ...Circuit Boards ACC2500 Audio Control Center 40...
Page 45: ...ACC2500 Audio Control Center Circuit Boards 41...
Page 46: ...Circuit Boards ACC2500 Audio Control Center 42...
Page 47: ...43 09 08 Schematics...
Page 48: ...ACC2500 Audio Control Center Schematics 44 Desk Set Line Interface Sheet 1...
Page 49: ...ACC2500 Audio Control Center Schematics 45 Desk Set User Audio I O Sheet 2...
Page 50: ...Schematics ACC2500 Audio Control Center 46 Desk Set Control Microprocessor I O Sheet 3...
Page 51: ...ACC2500 Audio Control Center Schematics 47 Desk Set DSP Block Sheet 4...
Page 52: ...Schematics ACC2500 Audio Control Center 48 Desk Set Tone Key Panel Sheet 5...
Page 53: ...ACC2500 Audio Control Center Schematics 49 Desk Set Power Supply Sheet 6...
Page 54: ...Schematics ACC2500 Audio Control Center 50 Schematic Sheet 7...