GAI-Tronics ITA2000A ITA2000A Series Tone Remote Adapter with Scanning User and Installation Manual User Manual
Page 4
Table of Contents
ITA2000A Series Tone Remote Adapter
03/13 Publication 43004-010H iii
R
ADIO
T
IE
L
INE
(T
ELEPHONE
)
C
ONNECTIONS
.......................................................................................................... 25
Analog Facility Interface Codes ......................................................................................................................... 25
Telephone Line Connection Table ...................................................................................................................... 25
J
UMPERS
.................................................................................................................................................................. 26
Jumper Table ...................................................................................................................................................... 26
C
HANNEL
R
EVERT
(C
ONVENTIONAL
M
ODE
O
NLY
) .................................................................................................. 27
Channel Revert Settings Table ............................................................................................................................ 27
C
ONFIGURATION
S
WITCH
S
ETTINGS FOR
C
ONVENTIONAL
M
ODE
O
PERATION
.......................................................... 28
Switch Settings for SW1 (Conventional) ............................................................................................................. 28
Switch Settings for SW2 (Conventional) ............................................................................................................. 29
C
ONFIGURATION
S
WITCH
S
ETTINGS FOR
S
CAN
M
ODE
O
PERATION
........................................................................... 30
Switch Settings for SW1 (Scan) ........................................................................................................................... 30
Switch Settings for SW2 (Scan) ........................................................................................................................... 31
L
EVEL
S
ETTINGS AND
A
DJUSTMENTS
....................................................................................................................... 32
Receive Audio Level ............................................................................................................................................ 32
Line Output Level ................................................................................................................................................ 32
Transmit Audio Level .......................................................................................................................................... 33
T
EST
D
IAGNOSTICS
.................................................................................................................................................. 34
THEORY OF OPERATION .................................................................................................................................... 35
T
ECHNICAL
O
VERVIEW
............................................................................................................................................ 35
Transmit Audio ................................................................................................................................................... 35
Radio Audio ........................................................................................................................................................ 35
Accessory Transmit ............................................................................................................................................. 36
Desk Mic Transmit .............................................................................................................................................. 36
Reset Circuit ....................................................................................................................................................... 36
TROUBLESHOOTING ............................................................................................................................................ 37
T
ROUBLESHOOTING THE
ITA2000A
T
ONE
R
EMOTE
A
DAPTER
................................................................................ 37
F
USE
R
EPLACEMENT
................................................................................................................................................ 38
MAIN CIRCUIT BOARD ........................................................................................................................................ 39
SCHEMATICS .......................................................................................................................................................... 41
DEFINITIONS AND ACRONYMS ......................................................................................................................... 49