Multitech MT56DSU-R Owner's Manual download pdf (Page 16)

MT56DSU-R Owner's Manual

2.1 Introduction

This chapter provides the information needed to configure and

install the MT56DSU-R in a Multi-Tech Systems CC216G modem

rack. This manual assumes the reader is familiar with the function

and operation of data communications equipment and is technically

qualified to provide installation service.

2.2 Default DIP Switch and Jumper Settings

The MT56DSU-R printed circuit board contains a 12-position DIP

switch block which is labeled 1 through 12 and a 4-position DIP

switch block which is labled 13 through 16 as shown in Figure 2-1.

They are located behind the LEDs on the front of the board. Each

individual switch is numbered and can be in either the up (OPEN) or

down (CLOSED) position.

The MT56DSU-R is shipped from the factory with the configuration

DIP switches set to the most common settings.

The factory-set (default) settings are: 56K Data Rate, DDS Clocking,

RTS Forced On, DSR Forced On, Sync Mode, Loopback Test

Disabled, Test Pattern Disabled, Circuit Assurance Disabled, System

Status Disabled, 10-Bit Async Word Length, Elastic Store Disabled,

and Anti-Streaming Disabled. If you need to change any of these

settings, refer to the Changing Defaults sections below.

The MT56DSU-R switches are shown below.

Figure 2-1.

MT56DSU-R Board Layout

82023101.p65 2/12/01, 2:52 PM16

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 63 64

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Multitech MT56DSU-R Owner's Manual Page 16