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1746SC-INO4I

1746SC-INO4I

1746SC-INO4I模塊,A-B說明書MVME2700 VME模塊消耗+5V DC、+12V DC和–來自VMEbus背板的12V直流電源,通過連接器P1和P2.3.3V DC和2.5V DC電源由車載+5V直流電。MVME2700 VME模塊MVME2700 VME模塊提供+12V DC和(在MVME761中輸入/輸出模式)–通過多功能開關(guān)向過渡模塊提供12V直流電源(可復(fù)位保險(xiǎn)絲)F2和F...

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1746SC-INO4I

    1746SC-INO4I模塊,A-B說明書

    MVME2700 VME模塊消耗+5V DC、+12V DC和–來自VMEbus背板的12V直流電源,通過連接器P1和P2.3.3V DC和2.5V DC電源由車載+5V直流電。

    MVME2700 VME模塊MVME2700 VME模塊提供+12V DC和(在MVME761中輸入/輸出模式)–通過多功能開關(guān)向過渡模塊提供12V直流電源(可復(fù)位保險(xiǎn)絲)F2和F3。這些電壓源為

    串行端口驅(qū)動(dòng)程序和連接到轉(zhuǎn)換的任何LAN收發(fā)器單元保險(xiǎn)絲+5V直流電源通過多功能開關(guān)F1提供給基板的鍵盤和鼠標(biāo)連接器與14針相結(jié)合LED夾層/遠(yuǎn)程重置接頭J1。

    1746SC-INO4I -2.jpg

    1746SC-INO4I模塊上的FUS LED(DS5)當(dāng)所有三種電壓都可用時(shí),MVME2700前面板點(diǎn)亮。在MVME712M輸入/輸出模式下,MVME712M上的黃色DS1 LED也發(fā)出+12V直流LAN電源可用性的信號(hào),反過來表明多功能開關(guān)F2良好。如果以太網(wǎng)收發(fā)器無法工作,請檢查多功能開關(guān)F2。在MVME712M輸入/輸出模式下,MVME2700提供SCSI終端通過P2適配器板上的1A保險(xiǎn)絲(F1)供電。如果保險(xiǎn)絲如果SCSI設(shè)備損壞,則SCSI設(shè)備可能無法正常工作或根本無法正常工作。和P2適配器板,通過電纜連接到轉(zhuǎn)換模塊,并帶有SCSI總線連接到轉(zhuǎn)換模塊,模塊上的綠色SCSI指示燈SCSI終端電源可用時(shí)亮起。如果SCSI指示燈亮起轉(zhuǎn)換模塊在SCSI總線操作期間閃爍,檢查保險(xiǎn)絲F1是否接通P2適配器板。注意,因?yàn)镾CSI總線上的任何設(shè)備都可以提供TERMPWR信號(hào),因?yàn)镸VME2700 FUS LED監(jiān)控多個(gè)電壓的狀態(tài),LED不會(huì)直接指示任何單個(gè)保險(xiǎn)絲的狀況。如果FUS LED閃爍或熄滅,檢查所有保險(xiǎn)絲(多功能開關(guān))。在MVME761輸入/輸出模式下,MVME2700提供SCSI終端電源通過P2適配器板上的多功能開關(guān)(可復(fù)位保險(xiǎn)絲)。MVME2700向14針組合式揚(yáng)聲器提供揚(yáng)聲器輸出信號(hào)LED夾層/遠(yuǎn)程重置接頭J1。當(dāng)J1用作遙控器時(shí)卸下LED夾層,將揚(yáng)聲器拔出,重置連接器信號(hào)可以通過電纜連接到外部揚(yáng)聲器。對(duì)于J1的引腳分配,

    參見表4-1。

    The MVME2700 VME module draws +5V DC, +12V DC, and

    –12V DC power from the VMEbus backplane through connectors P1 and

    P2. The 3.3V DC and 2.5V DC power is derived on-board from the

    +5V DC.

    MVME2700 VME Module

    The MVME2700 VME module furnishes +12V DC and (in MVME761

    I/O mode) –12V DC power to the transition module through polyswitches

    (resettable fuses) F2 and F3 respectively. These voltage sources power the

    serial port drivers and any LAN transceivers connected to the transition

    module. Fused +5V DC power is supplied through polyswitch F1 to the

    base board’s keyboard and mouse connectors and to the 14-pin combined

    LED-mezzanine/remote-reset connector, J1. The FUS LED (DS5) on the

    MVME2700 front panel illuminates when all three voltages are available.

    In MVME712M I/O mode, the yellow DS1 LED on the MVME712M also

    signals the availability of +12V DC LAN power, indicating in turn that

    polyswitch F2 is good. If the Ethernet transceiver fails to operate, check

    polyswitch F2.

    In MVME712M I/O mode, the MVME2700 supplies SCSI terminator

    power through a 1A fuse (F1) located on the P2 adapter board. If the fuse

    is blown, the SCSI device(s) may function erratically or not at all. With the

    P2 adapter board cabled to a transition module and with an SCSI bus

    connected to the transition module, the green SCSI LED on the module

    illuminates when SCSI terminator power is available. If the SCSI LED on

    the transition module flickers during SCSI bus operation, check fuse F1 on

    the P2 adapter board.

    Note Because any device on the SCSI bus can provide the TERMPWR

    signal, and because the MVME2700 FUS LED monitors the

    status of several voltages, the LED does not directly indicate the

    condition of any single fuse. If the FUS LED flickers or goes out,

    check all the fuses (polyswitches).In MVME761 I/O mode, the MVME2700 supplies SCSI terminator power

    through a polyswitch (resettable fuse) located on the P2 adapter board.

    The MVME2700 supplies a SPEAKER_OUT signal to the 14-pin combined

    LED-mezzanine/remote-reset connector, J1. When J1 is used as a remote

    reset connector with the LED mezzanine removed, the SPEAKER_OUT

    signal can be cabled to an external speaker. For the pin assignments of J1,

    refer to Table 4-1.


    品牌:A-B

    型號(hào):1746SC-INO4I

    產(chǎn)地:美國

    質(zhì)保:365天

    成色:全新/二手

    發(fā)貨方式:快遞發(fā)貨


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