SLM-5650B Satellite Modem
Revision 2
Appendix A
A–11
MN-SLM-5650B
A.4
System Faults/Alarms
System faults are reported in
MONITOR: Alarms
from the front panel menu, and stored faults are
reported in the
MONITOR: Event-Log
menu. To determine the appropriate action for repairing
the modem, refer to
Table A-2
and the list of possible problems.
Table A-2. SLM-5650B Fault Tree
FAULT TYPE
TX IF
OUTPUT
OFF
TX
STATUS
LED
TX FAULT
RELAY (1)
RX
STATUS
LED
RX FAULT
RELAY (2)
UNIT
STATUS
LED
UNIT FAULT
RELAY (3)
AUDIBLE
ALARM
TX
AIS
RX
AIS
MODULATOR
FAULTS
NONE
GREEN
MOD SYMBOL
CLOCK PLL
X
RED
X
X
X
MOD RF
SYNTHESIZER
PLL
X
RED
X
X
X
MOD I/Q
ACTIVITY
X
RED
X
X
X
MOD FILTER
CLIPPING
X
RED
X
X
X
TXINTF DATA
CLK NOT
LOCKED
RED
X
X
X
TXINTF TX-TERR
CLK ACTIVITY
ORANGE
X
X
TXINTF SCT PLL
NOT LOCKED
RED
X
X
X
TXINTF DATA/AIS
ORANGE
X
DEMODULATOR
FAULTS
NONE
GREEN
DEMOD CARRIER
LOCK
RED
X
X
X
DEMOD DATA
LOCK
RED
X
X
X
DEMOD
SYNTHESIZER
PLL
RED
X
X
X
DEMOD I/Q
ACTIVITY
RED
X
X
X
COMPOSITE
RED
X
X
X
Содержание SLM-5650B
Страница 58: ...SLM 5650B Satellite Modem Revision 2 Installation 2 8 MN SLM 5650B BLANK PAGE ...
Страница 142: ...SLM 5650B Satellite Modem Revision 2 Ethernet Based Management 6 12 MN SLM 5650B BLANK PAGE ...
Страница 280: ...SLM 5650B Satellite Modem Revision 2 TRANSEC Module HTTPS Interface 10 24 MN SLM 5650B BLANK PAGE ...
Страница 328: ...SLM 5650B Satellite Modem Revision 2 Appendix B B 16 MN SLM 5650B BLANK PAGE ...
Страница 394: ...SLM 5650B Satellite Modem Revision 2 Appendix C C 66 MN SLM 5650B BLANK PAGE ...
Страница 411: ......
Страница 412: ...2114 WEST 7TH STREET TEMPE ARIZONA 85281 USA 480 333 2200 PHONE 480 333 2161 FAX ...