`
`H4OOO ETHERNET TRANSCEIVER
`Technical Manual
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`Exhibit 1030-00001
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`
`
`Copyright O 1982 by Digital Equipment Corporation
`
`All Rights Resewed
`
`The material in this manual ie for informational purposes and is subject
`to change without notice.
`
`Digital Equipment Corporation asoumee no responeibility for any error€
`which may appear in this manual.
`
`Printed in U.S.A.
`
`The following are trademarks of Digital
`Maynard, Maesachusetts:
`
`Equipment Corporation,
`
`DIGITAL
`DEC
`PDP
`DECUS
`UNIBUS
`
`DECgystem-10
`DECSYSTEM-20
`DIBOL
`EDUSYSTEM
`vAx
`VMS
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`MASSBUS
`OMNIBUS
`os/8
`RSTS
`RSX
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`AMX and Dell, Inc.
`Exhibit 1030-00002
`
`
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`TIME (pSFC)
`
`SURGE CURRENT'
`
`2A
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`t5
`
`1n
`IU
`
`5 nU
`
`CUR RENT
`
`(AMPE RES)
`
`STEADY STATE CURRENT'*
`
`CURRENT (MILLI AMPERES)
`
`340
`330
`320
`310
`300
`
`4812
`
`to
`
`20
`
`TIME (llSEC)
`
`. SURGE CURRENT WAVEFORM DERIVED FROM
`INSTANTANEOUS ASSERTION OF +12 Vdc TO
`POWER PAIR FROM A LOW IMPEDANCE SOURCE,
`WITHOUT AN EXTERNAL SURGE LIMITING CIRCUIT.
`.'STEADY STATE CURRENT WAVEFORM FOR +12 Vdc INPUT
`TO POWER PAIR.
`
`Flgure 2-5: Surge and Steady State Current Wavefsrms: Power Pair
`
`2.6 Transmit Pair
`
`2.6.1 Drlve Circuit Requirements
`To transmit, the transmit pair of the transceiver cable must be driven a.
`follows:
`r Pins:
`
`TRANSMIT (+)
`Pin 3
`TRANSMIT (-)
`Pin 10
`. Drive Levels: +/-550 mV minimum, +/-I.2 V maximum
`o Source Impedance of driver: > 415 Ohms
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