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參數資料
| 型號： | NWK954GH1N |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | QUAD FAST ETHERNET REPEATER |
| 中文描述： | 四口快速以太網中繼 |
| 文件頁數： | 3/17頁 |
| 文件大小： | 176K |
| 代理商： | NWK954GH1N |
NWK954
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IRD4
LACTOUT_N
DIGVDD1
DIGGND1
RESET_N
LACTIN_N1
LACTIN_N2
LACTIN_N3
LACTIN_N4
LACTIN_N5
TDC
TDIO
TA4
TA3
TA2
SUBVDD1
P0_RXGND3
P0_RXVDD3
P0_RXVDD2
P0_RXGND2
P0_RXGND1
P0_RXVDD1
P0_RXIN
P0_RXIP
P0_TXVDD3
P0_TXGND3
P0_TXREF
P0_TXGND2
P0_TXVDD2
P0_TXON
P0_TXOP
P0_GND1
BPCLK
BPCOL_N
DIGGND5
DIGVDD5
BPACTIN_N4
BPACTIN_N5
BPACTIN_N6
BPACTIN_N7
PSEN0
PSEN1
TXCLKIN
DIGGND6
DIGVDD6
VREFGND
VREFVDD
SUBVDD2
P3_RXGND3
P3_RXVDD3
P3_RXVDD2
P3_RXGND2
P3_RXGND1
P3–RXVDD1
P3_RXIN
P3_RXIP
P3_TXVDD3
P3_TXGND3
P3_TXREF
P3_TXGND2
P3_TXVDD2
P3_TXON
P3_TXOP
P3_TXGND1
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NWK954
Fig. 3 Pin connections – top view
FUNCTIONAL DESCRIPTION
Overvlew
The NWK954 is a mixed-signal CMOS device which
integrates all of the functions required for an unmanaged 4-
port 100BASE TX repeater as defined in the IEEE 802.3
Standard. The device incorporates all of the necessary
100BASE-TX PHY functions to allow direct interfacing to a
quad 1:1 magnetics module with a modest number of external
passive components. The built-in expansion port allows
cascading of up to 6 NWK954s to build a 24-port repeater
with no additional components and also allows stacking of
up to eight 24-port repeaters with the addition of simple
backplane driver/receiver components. The operating status
of the device is indicated on 14 outputs designed to directly
drive LEDs. This high level of integration combined with low
power consumption and low pin count offers an efficient and
low cost solution for Fast Ethernet unmanaged repeater design.
Compliance with Standards
The NWK954 is designed for compliance with the IEEE 802.3
Standard, Clause 24 (100BASE-X PCS and PMA), Clause 25
(100BASE-TX PMD) and Clause 27 (Repeater for 100Mb/s
Baseband Networks). Clause 25 references the FDDI twisted
pair PMD Standard, henceforth referred to as TP-PMD.
Compatibility With Other Devices
The NWK954 is designed to connect directly to 5 other
NWK954 devices using the expansion bus. The Expansion Port
is identical to that used on the NWK950 Repeater Controller.
The Expansion Port may be connected to a backplane through
external driver/receivers. The backplane specification is identical
to that used by the NWK950, so repeaters using the NWK950
may be stacked with repeaters using the NWK954.
GP128
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| NWL110-1 | 功能描述:電線鑒定 Laser/Ink Jet, Comp Label, Non-Adhesive RoHS:否 制造商:TE Connectivity / Q-Cees 產品:Labels and Signs 類型: 材料:Vinyl 顏色:Blue 寬度:0.625 in 長度:1 in |
| NWL2-1 | 功能描述:電線鑒定 Laser/Ink Jet, Comp Label, Non-Adhesive RoHS:否 制造商:TE Connectivity / Q-Cees 產品:Labels and Signs 類型: 材料:Vinyl 顏色:Blue 寬度:0.625 in 長度:1 in |
| NWL2-KIT | 功能描述:電線鑒定 NWL2-1 Adhesive Label Holder, 380 Holder RoHS:否 制造商:TE Connectivity / Q-Cees 產品:Labels and Signs 類型: 材料:Vinyl 顏色:Blue 寬度:0.625 in 長度:1 in |
| NWL2L-1 | 功能描述:電線鑒定 1.25" X .5" NON ADHESIVE 2 PORT LABEL RoHS:否 制造商:TE Connectivity / Q-Cees 產品:Labels and Signs 類型: 材料:Vinyl 顏色:Blue 寬度:0.625 in 長度:1 in |
| NWL2L-KIT | 功能描述:電線鑒定 2 PORT 1.25" X .5" ADHESIVE LABEL HOLDER RoHS:否 制造商:TE Connectivity / Q-Cees 產品:Labels and Signs 類型: 材料:Vinyl 顏色:Blue 寬度:0.625 in 長度:1 in |
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