Moseley Associates Inc NXE1-20 ユーザーズマニュアル
iii
Table of Contents
602-95555-01 Rev A
NXE1-20 Digital Radio
Table of Contents
1
SYSTEM DESCRIPTION
............................................................................1-1
1.1
I
NTRODUCTION
.......................................................................................................... 1-1
1.2
S
YSTEM
F
EATURES
..................................................................................................... 1-1
1.3
T
YPICAL
C
ONFIGURATIONS
.......................................................................................... 1-3
1.3.1
Data Rate and Interface....................................................................................1-3
1.3.2
Standalone Operation.......................................................................................1-3
1.3.3
Hot Standby (Protected) Operation ....................................................................1-3
1.4
R
EGULATORY
N
OTICES
............................................................................................... 1-5
1.5
S
YSTEM
D
ESCRIPTION
(QAM) ...................................................................................... 1-5
1.5.1
Introduction ....................................................................................................1-5
1.5.2
QAM Modulator/IF Upconverter .......................................................................1-7
1.5.3
RF Upconverter...............................................................................................1-8
1.5.4
Power Amplifier (PA).......................................................................................1-9
1.5.5
RF Downconverter...........................................................................................1-9
1.5.6
QAM Demodulator/IF Downconverter.............................................................. 1-10
2
INSTALLATION ..............................................................................................................................................2-1
2.1
U
NPACKING
............................................................................................................... 2-1
2.2
N
OTICES
.................................................................................................................... 2-1
2.3
R
ACK
M
OUNT
............................................................................................................ 2-2
2.4
D
UPLEXER
: I
NTERNAL
/E
XTERNAL
................................................................................ 2-2
2.5
R
EAR
P
ANEL
C
ONNECTIONS
& I
NDICATORS
................................................................... 2-2
2.6
P
OWER
R
EQUIREMENTS
............................................................................................... 2-4
2.6.1
Power Supply Card Slot Details.........................................................................2-4
2.6.2
AC Line Voltage ..............................................................................................2-5
2.6.3
DC Input Option..............................................................................................2-5
2.6.4
Fusing............................................................................................................2-5
2.7
P
OWER
-U
P
S
ETTING
.................................................................................................... 2-6
2.8
D
ATA
I
NTERFACE
....................................................................................................... 2-7
2.8.1
4xE1/T1 MUX Channel Configurations ..............................................................2-7
2.9
H
OT
S
TANDBY
(P
ROTECTED
) C
ONFIGURATION
............................................................... 2-8
2.9.1
Hot/Cold Standby Modes ..................................................................................2-9
2.9.2
Hot Standby Control using the Moseley TP64.................................................... 2-10
2.9.3
Hot Standby Control with Single Unit............................................................... 2-13
2.10
S
ITE
I
NSTALLATION
.................................................................................................. 2-14
2.11
A
NTENNA
/F
EED
S
YSTEM
........................................................................................... 2-14
2.11.1
Antenna Installation....................................................................................... 2-14
3
FRONT PANEL OPERATION.....................................................................................................................3-1
3.1
I
NTRODUCTION
.......................................................................................................... 3-1
3.2
F
RONT
P
ANEL
O
PERATION
........................................................................................... 3-1
3.2.1
LCD Display ...................................................................................................3-1
3.2.2
Cursor and Screen Control Buttons....................................................................3-2
3.2.3
LED Status Indicators ......................................................................................3-3
3.2.4
Screen Menu Tree Structure ..............................................................................3-3
3.3
M
AIN
M
ENU
.............................................................................................................. 3-4
3.3.1
Launch Screens ...............................................................................................3-4
3.4
S
CREEN
M
ENU
S
UMMARIES
....................................................................................... 3-10