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Manual configuration/verification, A.3.3 m – Comtech EF Data DT-4500 Series User Manual

Page 70

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DT4500 Series Down Converters

MN/DT4500.IOM

Redundant System Operation

Revision 1

52

A.3.3 M

ANUAL

C

ONFIGURATION

/V

ERIFICATION

Figure 32 shows the system with converter #1 configured for manual(M) operation. In
this mode, the backup Converter can force switchover of an online unit. This mode also
overrides fault status detection of the online units performed by the backup Converter. If
an online unit is configured to manual mode and this unit faults, no switchover will
occur.

-CONVERTER-123456789ABC-
-AUTO/MAN-MAA-----------

POWER ON

TRANSMIT

REMOTE

ON LINE

FAULT

STORED FAULT

STATUS

POWER ON

TRANSMIT

REMOTE

ON LINE

FAULT

STORED FAULT

STATUS

POWER ON

TRANSMIT

REMOTE

ON LINE

FAULT

STORED FAULT

STATUS

POWER ON

TRANSMIT

REMOTE

ON LINE

FAULT

STORED FAULT

STATUS

FREQ= 12XXX.XXX-MHz-MAN-
ATTN= 10.00-DB---Tx=ON--

FREQ= 12XXX.XXX-MHz-AUTO
ATTN= 10.00-DB---Tx=ON--

FREQ= 12XXX.XXX-MHz-AUTO
ATTN= 10.00-DB---Tx=ON--

Figure 32. Converter #1 in MANUAL, Others in AUTO






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