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RAD Data comm ASMI-450 User Manual

Page 29

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Introduction

ASMi-450 Installation and Operation Manual

1-11

Ethernet Interface

Compliance

IEEE 802.3

Interface Type

10BaseT for use on UTP and STP media

Interface Connector

RJ-45 shielded eight-pin connector

Internal Bridge

Remote MAC-layer bridge with self-learning

Indicators

User's Serial Data Port

Transmit Data (TD)

Receive Data (RD)

Ethernet Port

Link status

Collision indicator

Transmit and receive data activity

HDSL Line

LOS (loss of synchronization)

QLTY (good quality)

Status

TEST

ALARM

Diagnostics

Loopbacks

Local loopback on the user's serial data port of the local
ASMi-450

Remote loopback on the user's serial data port of the
remote ASMi-450

Timing Modes

Central Unit

Internal timing, derived from local oscillator

External timing, locked to user's port receive clock

Remote Unit

Loopback timing, derived from incoming HDSL receive
clock

Front Panel Controls

LCD

2

×

16 characters

Push-buttons

CURSOR, SCROLL, ENTER

Control Port

Interface

ITU-T Rec. V.24/EIA RS-232, asynchronous DCE interface
for direct connection of control terminal

Data Rate

300, 1200, 2400, 9600, with Autobaud option