Mitel NWK954 Manuale Utente

The NWK954 is a fully integrated, unmanaged, 4-port FastEthernet Repeater conforming to the IEEE 802.3 100BASE-TXStandard. The device integrates the 8

NWK95410Expansion Port (Continued)SignalBPACTIN_N7BPACTIN_N6BPACTIN_N5BPACTIN_N4BPACTIN_N3BPACTIN_N2BPACTIN_N1BPDIE_NBPDOE_NBPCLKBPCOL_NBPCOLIN_NBPCOL

NWK95411LED DriversSignalCOLLED_NP0_RXLED_NP1_RXLED_NP2_RXLED_NP3_RXLED_NP0_ERLED_NP1_ERLED_NP2_ERLED_NP3_ERLED_NACTLED_N4ACTLED_N3ACTLED_N2ACTLED_N1A

NWK95412PowerSignalDIGGND[5: 1]DIGVDD[5: 1]DIGGND6DIGVDD6SUBVDD[2:1]VREFGNDVREFVDDP0_TXGND[3:1]P0_TXVDD[3:2]P0_RXGND[3:1]P0_RXVDD[3:1]P1_TXGND[3:1]P1_

NWK95413POWER SUPPLYRecommended Operating Conditions apply except where otherwise statedSupply voltageSupply currentCharacteristicMin. Typ. Max.5·2540

NWK95414AC ELECTRICAL CHARACTERISTICSRecommended Operating Conditions apply except where otherwise statedTXCLK and RESET_NTyp. Max.TXCLKINFrequencyDut

NWK95415Fig. 8 External components1:1MAGNETICSVALORST6184BEL5558-5999-74RXON3RXOP3RXOC3TXIP3TXIN3TXIC3TXIC2TXIN2TXIP2RXOC2RXOP2RXON2RXON1RXOP1RXOC1TXI

M Mitel (design) and ST-BUS are registered trademarks of MITEL CorporationMitel Semiconductor is an ISO 9001 Registered CompanyCopyright 1999 MITEL Co

NWK9542QUAD RJ45QUADMAGNETICSNWK954QUADMAGNETICSNWK954QUADMAGNETICSNWK954QUADMAGNETICSNWK954QUADMAGNETICSNWK954QUADMAGNETICSNWK954CLOCK DRIVERSOSCILLA

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NWK9544PORT 0TRANSCEIVERP0_TXOPP0_TXONP0_TXREFP0_RXIPP0_RXINPORT 1TRANSCEIVERP1_TXOPP1_TXONP1_TXREFP1_RXIPP1_RXINPORT 2TRANSCEIVERP2_TXOPP2_TXONP2_TXR

NWK9545Basic Repeater FunctionThe Repeater Controller monitors activity on the 4 twistedpair ports and on the Expansion Port. When a packet is receive

NWK9546BPACTIN_ N [7:1]LACTIN_N [5:1]LACTOUT_NBPCOLIN_NBPCOL_NBPCLKIRD [4:0]TXCLKINBPACTIN_ N [7:1]LACTIN_N [5:1]LACTOUT_NBPCOLIN_NBPCOL_NBPCLKIRD [4:

NWK9547The IRD bus in each hub is connected to the 5-bit backplanebus via a bidirectional buffer. This allows data to be driven fromany hub to all oth

NWK9548100BASE-TX ReceiverThe 100BASE-TX receiver recovers data from up to 140mof Cat5 UTP cable. Received data is decoded and descrambledand presente

NWK9549PIN DESCRIPTIONSActive low signals are denoted by the _N suffix; all other signals are active highNetwork InterfaceSignalP0_RXIPP0_RXINP0_TXOPP