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Using the Agilent E1439
Fiber Optic Interface
The following shows two E1439D modules in an append chain transmitting data to a fiber
receiver when flow control is on.
E1438D / E1439D
Fiber RX
DIGITAL
ADC
FIFO
FILTERS
Fiber Interface Setup
First E1439D in chain
Mode
Rate
BOF
CRC
Flow Control
Epoch Generate
Epoch Size
1. The final module in an append chain may require BOF to be Off for compat-
ibility with data receivers that cannot process BOFs.
2. Set intermediate modules to Copy and the last module to No Copy.
52
Fiber TX
Fiber RX
1 KB
FIFO
ADC
VME BUS
LBUS
Generate
106 or 250 MBs
ON
ON
Copy
ON
Divisible by 4; must match blocksize
E1438D / E1439D
1 KB
Fiber TX
FIFO
1 KB
FIFO
DIGITAL
FIFO
FILTERS
VME BUS
LBUS
Next E1439D in chain
Mode
Append
Rate
same as module to left
BOF
1
ON
CRC
ON
Flow Control
No Copy
Epoch Generate
ON
Epoch Size
Divisible by 4; must match blocksize
Fiber Receiver
Fiber
Fiber
RX
TX
DATA
Processing
2
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