switch card

美 　英

• 網(wǎng)絡(luò)開關(guān)卡；交換卡；占位卡

例句

This is not usually specified for a switch card, but the limitation is usually a function of the trace width and connector ratings .

雖然開關(guān)卡的技術(shù)指標(biāo)并不明確顯示，但是電流限值通常是走線寬度和連接器額定值的函數(shù)。

End-of-life is generally considered to be the time when the total channel resistance exceeds the specifications for the switch card.

當(dāng)總通道電阻超過了開關(guān)卡的指標(biāo)時，則認(rèn)為使用壽命終了。

The contact resistance is the resistance across a closed pair of contacts on a switch card.

接觸電阻是指開關(guān)卡上一對閉合的觸點之間的電阻。

To measure the offset of a switch card, connect the output of the card to a pico ammeter or electrometer.

若要測量開關(guān)卡的偏移電流，請將卡的輸出連接到一臺皮安計或靜電計。

The contact potential or thermoelectric offset voltage is the key specification of a switch card designed for low voltage switching.

接觸電勢或熱電效應(yīng)偏移電壓是設(shè)計用于低壓切換的開關(guān)卡的關(guān)鍵技術(shù)指標(biāo)。

Contact potential is affected by changes in ambient temperature as well as by the presence of temperature gradients across a switch card.

接觸電勢受環(huán)境溫度變化以及開關(guān)卡上溫度梯度的影響。

Information about making connections to a particular switch card can be found in the card's manual.

關(guān)于連接特定開關(guān)卡的信息，請參閱開關(guān)卡的手冊。

However, this method is the least expensive because a general-purpose switch card or module can be used.

然而，由于可以使用通用的開關(guān)卡或模塊，所以該方法是最為經(jīng)濟(jì)。

This may require using a high current switch card for sourcing and a low voltage switch card for measuring.

這就可能需要利用一個大電流開關(guān)卡來提供電流，一個小電壓開關(guān)卡用于測量。

Even if all this is done to the switch card, external connectors and cables can still degrade performance.

即使對開關(guān)卡采取所有這些措施，外部連接器和電纜還仍然會降低性能。

The offset current specification of the switch card should be as low as possible for switching low current.

對于切換小電流來說，開關(guān)卡的偏移電流指標(biāo)應(yīng)該盡可能小。

This section describes microwave switch types, RF switch card specifications, and RF switch design considerations.

本節(jié)介紹微波開關(guān)的類型、RF開關(guān)卡技術(shù)指標(biāo)，以及設(shè)計RF開關(guān)時的注意事項。

Factors that affect the maximum current through the switch card include the traces on the board, the connectors, and the relays.

影響通過開關(guān)卡的最大電流的因素包括電路板上的走線、連接器和繼電器。

Switch card specifications are usually stated with a specific application in mind, such as low current or high voltage switching.

開關(guān)卡的技術(shù)指標(biāo)通常是由特定的應(yīng)用決定的，例如小電流或高電壓切換。

Furthermore, system hardware design contains the design of power card, vector driver card, and channel switch card.

此外，系統(tǒng)硬件設(shè)計還包括電源板、矢量驅(qū)動板和通道切換板。

Handle the switch card by the edges to avoid contaminating it with dirt, body oil, etc.

在拿放開關(guān)卡是要握住側(cè)邊，以防灰塵、人體油脂等對其造成污染。

Then connect the voltmeter to the HI and LO output terminals of the switch card.

然后將伏特計連接到開關(guān)卡的HI和LO輸出端子。

To prevent leakage current on the switch card, take special care when handling to prevent degradation of performance.

為預(yù)防開關(guān)卡上的漏流，在防止性能劣化時要特別注意。

To avoid switch card damage, be particularly careful when switching voltages of ~200V or higher.

為避免損壞開關(guān)卡，在切換大約200V或更高的電壓時，需要特別注意。

The connections to the switch card itself represent another source of thermally generated voltages.

開關(guān)卡的連接本身也是另一個熱電電壓源。

power is routed to the handsets by the Model 7053 High Current Switch Card.

電源通過7053型大電流開關(guān)卡路由至手機(jī)。

To ensure proper shielding, choose a switch card with shielded connectors, such as coax or triax connectors.

為確保合適的屏蔽，請選擇帶有屏蔽連接器的開關(guān)卡，例如同軸或同軸三柱連接器。

It can be found on the switch card, in the connecting cables, and in the test fixture.

在開關(guān)卡、連接電纜和測試夾具中，都會存在漏泄電流。

Refer to the instruction manual for the switch card for isolation measurement procedures specific to that card;

關(guān)于測量特定開關(guān)卡的隔離指標(biāo)的步驟請參閱開關(guān)卡的說明手冊。

Industry: Group Phone; Switch; Card; Communication cable; Communications equipment agent; IP telephone;

所屬行業(yè)：集團(tuán)電話；交換機(jī)；普通卡；通訊電纜；通信器材代理；IP電話機(jī)；；