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Using the Agilent E1439
Fiber Optic Interface
If flow control is on and the fiber receiver is capable of generating flow control signals, Generate
fiber mode transmits filtered ADC data after the fiber receiver indicates that it is ready and a
complete data block is ready to be transmitted. ADC data is not available via any other data port
and received optical data, other than the flow control signals, is ignored. The following
illustration shows an E1439D transmitting data to a fiber receiver when flow control is on.
Fiber Interface Setup
Mode Generate
Rate 106 or 250 MBs
BOF Optional
CRC ON
Flow Control No Copy
Epoch Generate Optional
Epoch Size Divisible by 4
FLOW
CONTROL
Fiber TXFiber RX
VME BUS
LBUS
ADC
DIGITAL
FILTERS
FIFO
Fiber
TX
Fiber
RX
Processing
DATA
Fiber ReceiverE1438D / E1439D
1KB
FIFO