Broadcast Tools SS 2.1/Terminal III Instrukcja Użytkownika Strona 180

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F-22 Appendix F: Redundant Backup
Moseley SL9003Q 602-12016 Revision G
F.6.3 Master/Slave Operation & LED Status
The TP64 operates in a Master/Slave logic mode. In the power up condition, the Master is
RADIO A. This means that RADIO A is the default active unit. The following logic applies to hot
or cold standby, external or internal duplexer configurations.
Table 8-8 TP64 Transmitter Master/Slave Logic
Selected
Master
TXA
Status
TXB
Status
TXA
LED
TXB
LED
Active TX TX Relay
Position
A
OK OK GRN YEL
A
A
A
OK FAIL GRN RED
A
A
A
FAIL OK RED GRN B B
A-Master
Logic
A FAIL FAIL RED RED N/A A
B OK OK YEL GRN B B
B OK FAIL GRN RED
A
A
B FAIL OK RED GRN B B
B-Master
Logic
B FAIL FAIL RED RED N/A B
Table 8-9 TP64 Receiver Master/Slave Logic
Selected
Master
RXA
Status
RXB
Status
RXA
LED
RXB
LED
Active RX RX Data &
Clk
A
OK OK GRN YEL
A
A
A
OK FAIL GRN RED
A
A
A
FAIL OK RED GRN B B
A-Master
Logic
A FAIL FAIL RED RED N/A None
B OK OK YEL GRN B B
B OK FAIL GRN RED
A
A
B FAIL OK RED GRN B B
B-Master
Logic
B FAIL FAIL RED RED N/A None
A-Master Logic (default power-up):
If RADIO A is “good”, the TP64 will remain in RADIO A position, regardless of RADIO B’s
status.
If RADIO A fails, the TP64 will switch to RADIO B (assuming that RADIO B is “good”)
If RADIO A then returns to a “good” condition, the TP64 will switch back to RADIO A (the default
Master)
Manual Switchover to B-Master Logic
The front panel switch on the TP64 can be used to manually force the system to a new Master.
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