Chapter 1. Introduction

ASM-20Installation and Operation Manual

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R A D

A S M -2 0

EXT CLK

R A D

G .7 03

D IG ITA L

S E R V IC E N E T W O R K

R A D

ASM -20

RCV CLK

DTE

R A D

ASM -20

EXT CLK

ASM -20

RCV CLK

Term inal

Figure 1-2 G.703 Modem Link Application

R A D

ASM -20

R A D

 

 

 

G .703 or

ASM -20

X .21/RS -530/V.24

 

 

 

or V.35 or ETH

DTE

 

Figure 1-3 Tail-end for Digital Network Application

Features

ASM-20 features V.54 diagnostic capabilities for performing local analog

 

loopback and local and remote digital loopback. The operator at either end

 

of the line may test both modems and the line when in digital loopback

 

mode. The loopback is controlled by either front panel push buttons or via

 

the DTE interface.

Options

The following DTE interface options are available:

V.24/RS-232(up to 64 kbps)

V.35

X.21

RS-530

V.36

G.703 (64 kbps co-directional)

Built-in Ethernet bridge.

1-2 Overview

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Image 15
RAD Data comm ASM-20 operation manual Following DTE interface options are available