CALAMP WIRELESS NETWORKS INC. MCUA5R Manual Do Utilizador
ii
2.8.3
Sleep Mode............................................................................................................................................ 13
2.8.4
Remote Unit Wake-up by DTE .............................................................................................................. 13
2.9
T
RANSMITTER
T
IMEOUT
................................................................................................................................. 13
2.10
O
PTIMIZING
Y
OUR
S
YSTEM
........................................................................................................................ 14
3.
MAINTENANCE ADJUSTMENTS............................................................................................................... 15
3.1
O
VERVIEW AND
M
AINTENANCE INTERVALS
................................................................................................... 15
3.2
I
NTENDED
A
UDIENCE
..................................................................................................................................... 15
3.3
E
QUIPMENT
R
EQUIRED
................................................................................................................................... 15
3.4
T
EST
P
OINT
..................................................................................................................................................... 15
3.5
B
ASIC
A
DJUSTMENTS
...................................................................................................................................... 15
3.5.1
Preliminary Steps .................................................................................................................................. 15
3.5.2
After Adjustments are Done .................................................................................................................. 15
4.
CIRCUIT DESCRIPTION .............................................................................................................................. 17
4.1
O
VERVIEW
...................................................................................................................................................... 17
4.2
I
NTENDED
A
UDIENCE
..................................................................................................................................... 17
4.3
C
IRCUIT
D
ESCRIPTION
.................................................................................................................................... 17
4.3.1
Microprocessor Circuit ......................................................................................................................... 17
4.3.2
RS232 .................................................................................................................................................... 17
4.3.3
MODEM................................................................................................................................................ 17
4.3.4
TRANSMIT & RECEIVE DATA ............................................................................................................ 17
4.3.5
Integra-T A/D and DIGIPOT ................................................................................................................ 18
4.3.6
Wake-Up Circuit ................................................................................................................................... 18
4.3.7
Power Supply ........................................................................................................................................ 18
T
ABLE
1 I
NTEGRA
-T A
CCESSORIES AND OPTIONS
.......................................................................................................... 1
T
ABLE
2: COM
PORT SIGNALS
....................................................................................................................................... 6
T
ABLE
3: S
ETUP
P
ORT SIGNALS
..................................................................................................................................... 6
T
ABLE
4: SWR / R
EV
P
WR
.......................................................................................................................................... 12
T
ABLE
5: T
ESTS AND ADJUSTMENTS HALF AND FULL CHANNEL UNITS
............................................................................. 16
F
IGURE
1 - B
ASIC CONNECTIONS REQUIRED
................................................................................................................... 3
F
IGURE
2 - P
OINT TO
P
OINT
S
YSTEM
.............................................................................................................................. 4
F
IGURE
3 - P
OINT
–M
ULTIPOINT
S
YSTEM
....................................................................................................................... 4
F
IGURE
4 - T
AIL
C
IRCUIT
............................................................................................................................................... 4
F
IGURE
5 - DCE C
ROSSOVER
C
ABLE FOR
RTS-CTS
MODE
........................................................................................... 4
F
IGURE
6 – I
NTEGRA
-T
FRONT PANEL
............................................................................................................................ 5
F
IGURE
7 – COM
AND
S
ETUP
P
ORT CONNECTORS PIN LOCATIONS
................................................................................ 6
F
IGURE
8 – 3-
WIRE INTERFACE
...................................................................................................................................... 6
F
IGURE
9 – I
NTEGRA
-T
REAR PANEL
.............................................................................................................................. 7
F
IGURE
10 - P
OWER
/ A
NALOG
C
ONNECTOR
.................................................................................................................. 7
F
IGURE
11- P
OWER
/ A
NALOG CABLE
............................................................................................................................ 7
F
IGURE
12 - L
OGIC
B
OARD
B
LOCK
D
IAGRAM
.............................................................................................................. 19