ADC Cuda 12000 Guia de Instalação descarregar pdf (Página 28)

ADC Telecommunications, Inc.

28 C

HAPTER 1: HARDWARE OVERVIEW

Ethernet Connector (14) Connects the module to the Fast Ethernet BUS on

the backplane.

Management Connector

(15)

Connects the module to a management BUS that

consists of two management channels.

Power Supply (16) Includes a DC-to-DC converter that converts the

incoming 48 VDC power distribution to appropriate

voltages for individual module components.

MAC chip (17) Responsible for Layer 2 (MAC-layer) functions.

PHY chip (18) Responsible for OSI Layer 1 (physical layer)

transmit/receive functions.

Note that the Octal 10/100 Ethernet module uses

two chips consisting of four ports each.

Temperature sensor (19) Sends an Interrupt in the event that operating

temperature exceeds the acceptable limit of 70°C.

Table 1-2 Common Application Module Components (continued)

Component Description

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 167 168

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ADC Cuda 12000 Guia de Instalação Página 28