RAD Data comm LRS-24 Especificações descarregar pdf (Página 21)

Installation and Operation Manual Chapter 1 Introduction

ASM-40CD Ver. 1.0 Functional Description 1-7

XMT

FIFO

RCV

FIFO

InternalExternal

Receive

Internal, Receive

Internal

Crystal

EXT CLK

Clock and Data

External

PLL

Figure 1-6. Clock Diagram

INT

TXD

RXD

TXD

EXT

TXFIFO

TX TX

TC & RC

EXT CLK

FIFO

ASM-40

Clock Recovery

RCV

TXD

RXD

RX FIFO

ASM-40

Clock Recovery

TC & RC

PLL

RCV

TX TXD

RXD

RX FIFO

SM-40

Clock Recovery

TC & RC

PLL

Figure 1-7. Clock Configuration

Management

ASM-40CD is managed by an ASCII terminal or an SNMP management tool via the

RS-232 port and the Ethernet port of the LRS-24 common logic card (CM-2).

Operation of the module from an ASCII terminal is detailed in

Chapter 3

Configurable Parameters

Table 1-2

lists the

ASM-40CD parameters that are configurable from an external

management tool.

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 75 76

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