參數(shù)資料
型號: TR117FA-0D30S
英文描述: Optoelectronic
中文描述: 光電
文件頁數(shù): 9/14頁
文件大?。?/td> 207K
代理商: TR117FA-0D30S
9
For SFP transceiver power on initialization with TX_DISABLE asserted, the state of
TX_FAULT is not defined while TX_DISABLE is asserted. After TX_DISABLE is
negated, TX_FAULT may be asserted while safety circuit initialization is performed.
TX_FAULT shall be negated when the transmitter safety circuitry has detected that
the transmitter is operating in its normal state. If a transmitter fault has not occurred,
TX_FAULT shall be negated within a period t_init from the time that TX_DISABLE is
negated. If TX_FAULT remains asserted beyond the period t_init, the host may
assume that a transmission fault has been detected by the transceiver. The power on
initialization timing for a SFP transceiver with TX_DISABLE asserted is shown in
Figure 4.
Figure 4. Power on initialization of SFP, Tx Disable asserted
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
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參數(shù)描述
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TR118 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TIMER COUNTDOWN TWIN CHANNEL
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TR-11BX630.5A 功能描述:斷路器 0.5A/240V, INTEGRAL MOUNTING RoHS:否 制造商:Phoenix Contact 產(chǎn)品:Device Circuit Breakers 產(chǎn)品類型:Thermomagnetic 電流額定值:2 A 電壓額定值 AC:240 V, 277 V 電壓額定值 DC:50 V 極數(shù):1 Pole 執(zhí)行器類型:Slide 電路功能:Trip Free 系列:CB TM1 工作溫度范圍:- 30 C to + 60 C 照明:No