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參數(shù)資料
| 型號(hào)： | TR137FA-0D30S |
| 英文描述： | Optoelectronic |
| 中文描述： | 光電 |
| 文件頁(yè)數(shù)： | 9/14頁(yè) |
| 文件大小： | 209K |
| 代理商： | TR137FA-0D30S |
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Initialization during hot plugging of SFP Transceiver.
When a transceiver is not installed, TX_FAULT is held to the asserted state by the
pull up circuits on the host. As the SFP transceiver is installed, contact is made with
the ground, voltage, and signal contacts in the specified order. After the SFP has
determined that VCCT has reached the specified value, the power on initialization
takes place as described in the above sections. An example of initialization during hot
plugging is provided in Figure 5.
Figure 5. Example of initialization during hot plugging, Tx Disable negated
SFP transmitter management
The timing requirements for the management of optical outputs from the SFP
transceiver using the TX_DISABLE signal are shown in Figure 6. Note that the t_on
time refers to the maximum delay until the modulated optical signal reaches 90% of
the final value, not just the average optical power.
Figure 6. SFP Tx Disable timing during normal operation
SFP transceiver fault detection and presentation
Figure 7. Detection of transmitter safety fault condition
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