GAI-Tronics IDR1000A DC Remote User and Installation Manual User Manual
Page 4
Table of Contents
IDR1000A DC Remote Desk Set User and Installation Manual
02/12 Pub.
43004-005C iii
C
ABLE
I
NSTALLATION
S
AFETY
C
ONSIDERATIONS
..................................................................................................... 12
T
ELEPHONE
L
INE
L
IGHTNING AND
O
VER
-
VOLTAGE
P
ROTECTION
............................................................................. 12
P
OWER
C
ONNECTIONS
.............................................................................................................................................. 13
L
INE
C
ONNECTIONS
.................................................................................................................................................. 13
Line Considerations - Private Circuit ................................................................................................................. 13
Circuit Conditioning ........................................................................................................................................... 14
S
ETTINGS AND
A
DJUSTMENTS
.................................................................................................................................. 14
Line Input Level Adjustment ............................................................................................................................... 15
Remote Adjustment ............................................................................................................................................. 15
Line Output Adjustment ...................................................................................................................................... 15
Handset Earpiece Volume Adjustment ................................................................................................................ 15
P
ROGRAMMING
........................................................................................................................................................ 16
DC Current Magnitude Table ............................................................................................................................. 17
P
ROGRAMMING
M
ODE
............................................................................................................................................. 18
D
ESK
S
ET
R
EASSEMBLY
........................................................................................................................................... 18
THEORY OF OPERATION .................................................................................................................................... 19
D
IGITAL
C
IRCUITS
.................................................................................................................................................... 19
Analog-to-Digital Conversions ........................................................................................................................... 19
Serial Peripheral Interface ................................................................................................................................. 19
DC
C
URRENT
G
ENERATION
..................................................................................................................................... 19
A
UDIO
C
IRCUITS
...................................................................................................................................................... 20
S
PEAKER
V
OLUME
C
ONTROL
................................................................................................................................... 20
P
OWER
S
UPPLIES
...................................................................................................................................................... 20
TROUBLESHOOTING ............................................................................................................................................ 21
T
ROUBLESHOOTING THE
IDR1000A
DC
R
EMOTE
D
ESK
S
ET
................................................................................... 21
F
USE
R
EPLACEMENT
................................................................................................................................................ 22
MAIN CIRCUIT BOARD ........................................................................................................................................ 23
SCHEMATICS .......................................................................................................................................................... 25
DEFINITIONS AND ACRONYMS ......................................................................................................................... 33