SeaLevel PC-ACB.MP Manuale utente

PC-ACB.MP

User Manual | 3612

Contents

CONTENTS............................................................................................................................................................................................................................2

INTRODUCTION...................................................................................................................................................................................................................3

BEFORE YOU GET STARTED..............................................................................................................................................................................................4

INSTALLATION.....................................................................................................................................................................................................................5

TECHNICAL DESCRIPTION.................................................................................................................................................................................................7

SPECIFICATIONS...............................................................................................................................................................................................................15

APPENDIX A –TROUBLESHOOTING.............................................................................................................................................................................16

APPENDIX B –HOW TO GET ASSISTANCE...................................................................................................................................................................17

APPENDIX C –ELECTRICAL INTERFACE......................................................................................................................................................................18

APPENDIX D –COMPLIANCE NOTICES........................................................................................................................................................................20

WARRANTY ........................................................................................................................................................................................................................21

Introduction

Overview

In the last few years, the portable and notebook market has grown by leaps and bounds. Most early laptops

and notebooks handled I/O expansion through proprietary expansion slots. These slots provided limited

expansion for specific peripherals such as modems and FAX peripherals. Mass storage peripherals were

factory installed and could not be easily changed. Interconnectivity through local area networks offered

limited performance through slow parallel port network interfaces.

During this time period two standards organizations, JEIDA, and PCMCIA, were working on the

standardization of memory IC cards. These cards were designed as strictly non-volatile silicon storage.

JEIDA was the first to propose the 68-pin connector standard for memory cards. In 1989, PCMCIA adopted

the JEIDA 68 pin standard and worked with JEIDA on further developments.

As the notebook market grew, the need for a standard I/O bus was seen. The PCMCIA groups saw an

opportunity to meet this need with an expanded version of the 68-pin interface. Further development

occurred and within one year, release 2.0 of the standard was completed. Release 2.0 was a major update

to Release 1.0 and included full hardware support for I/O devices. Release 2.0 coincided with JEIDA’s 4.1

release and is identical.

The PC-ACB.MP adapter provides your portable PC with a single channel multi-protocol serial interface

utilizing the Zilog Z85233 (ESCC™), which is suitable for the most popular communication protocols

including HDLC/SDLC, X.25, Bi-Sync, Mono-Sync, and asynchronous.

The PC-ACB.MP utilizes the Sipex-505 multi-protocol electrical interface chip that allows the PC-ACB.MP

to be compliant with EIA/TIA-530/530A, EIA/TIA-232E, EIA/TIA-485, and ITU V.35.

Before You Get Started

What’s Included

The PC-ACB.MP is shipped with the following items. If any of these items are missing or damaged, contact

the supplier.

•PC-ACB.MP PCMCIA Serial Interface Adapter

•DB-25 cable assembly

•Loopback Plug

•Impact Resistant Carrying Case (Jewel Case)

Advisory Conventions

Warning

The highest level of importance used to stress a condition where damage could result to the

product, or the user could suffer serious injury.

Important

The middle level of importance used to highlight information that might not seem obvious or a

situation that could cause the product to fail.

Note

The lowest level of importance used to provide background information, additional tips, or other

non-critical facts that will not affect the use of the product.

Installation

Hardware Installation

Card and Socket Services must be loaded on the system prior to installing the PC-ACB.MP card. Card and

Socket Services are supplied by the PCMCIA slot provider (i.e., the computer manufacturer or the PC

adapter manufacturer). These may be in the form of a third-party add-on Card and Socket service

(e.g., CardSoft’s CardWizard) or with your current operating system (e.g., Windows 95/98/NT/2000).

Socket Services are the lowest level of the PCMCIA Software hierarchy. Socket Services provide a standard

interface to the higher-level drivers and isolate the socket controller’s specific hardware details. Socket

Services provide the ‘BIOS’interface to the socket controller hardware. Socket Services are typically hidden

under Card Services and are rarely directly accessible by application software.

Card Services provide the interface to application software and drivers. Card Services are responsible for

allocating card resources and ensuring that card resources do not interfere with other existing system

resources. Card Services are typically implemented as a driver. Almost all PCMCIA type cards require some

sort of software driver. In the case of the PC-ACB.MP, the generic Card Services driver supplied with the

computer system should provide adequate support for most applications.

Connecting the PC-ACB.MP to the computer requires no special technical skills. In fact, it is usually done

in as simple as two steps:

1. Follow the directions below which are given for your operating system in the Software Installation.

The SeaMAC synchronous serial driver must be installed prior to the hardware being installed.

2. Simply slide the card into a PCMCIA Type II compliant slot on the personal computer. The PCMCIA

slot is keyed so that the PC-ACB.MP cannot be installed backwards or upside down. After the card

has been installed into the PCMCIA slot, the I/O cable should be connected to the card. The cable

is also keyed to prevent it from being installed incorrectly. The card is automatically recognized by

the system.

The card should install with a minimal amount of pressure. Do not force the card into the slot.

Forcing the card can result in damage to the PC-ACB.MP or to the PCMCIA slot.

3. For Windows users that are using Sealevel’s SeaMAC software please note that there is a different

install for this card than the normal SeaMAC software.

If you are installing Part# 3612 or 5102 and need to install the Windows 2000 interrupt mode HDLC/SDLC driver,

the Windows NT interrupt mode Async driver or all other ACB products, please contact Sealevel’s Technical

support for assistance. Our technical support is free and available from 8:00 AM to 5:00 PM Eastern Time Monday

through Friday. For email support, contact [email protected].

Installation is complete.

Installation, Continued

Software Installation

Windows 98/ME/2000/XP/Vista™ Operating Systems

1. Begin by locating, selecting, and installing the correct software (SeaMAC synchronous serial

driver) from the Sealevel software driver database.

2. Select the Part Number (3612) for your device from the listing in the Sealevel software driver

database.

3. Click the ‘Install Drivers’ button.

4. The setup file will automatically detect the operating environment and install the proper

components.

To confirm that the driver has been successfully installed, click on the ‘Start’ button, and then select ‘All

Programs.’ You should see the ‘SeaMAC’ program folder listed. The SeaMAC V5 software provides a

powerful WIN32 interface (Create File, Read File, Write File, etc.) for Sealevel synchronous serial products.

The Sealevel SeaMAC driver also provides support for HDLC and SDLC. Certain configurations of Bi-Sync,

Monosync, and RAW protocols are supported. Please contact Sealevel Systems, Inc. Technical Support to

discuss your specific requirements, (864) 843-4343. Our technical support is free and available from 8:00

AM to 5:00 PM Eastern Time Monday through Friday. For email support, contact [email protected]om.

Installation is complete.

Optional Items

The PC-ACB.MP has several cabling options available. All optional items can be purchased from our

website (http://www.sealevel.com) or by calling 864-843-4343.

•CA-103 - This cable provides a high-quality shielded cable with the V.35 mechanical specification met

on one end and a DB-25S (female) on the other end. V.35 has a mechanical specification that is

impossible to place on a PC bracket and requires this adapter cable.

•CA-104 - This cable provides a 6’ extension for use with RS-232, and RS-530/530A.

•CA-107 - RS-530 (DB-25P) to RS-449 (DB-37P) cabling adapter. RS-530 is replacing RS-449 in Telecom

applications, but there is still a very large base of installed equipment that uses the RS-449 pin-out.

Both standards use RS-422 to define the electrical specifications and are interchangeable via this

adapter cable.

Technical Description

The PC-ACB.MP utilizes the Zilog 85233 Enhanced Serial Communications Controller (ESCC). This chip

features programmable baud rate, data format and interrupt control. Refer to the ESCC User’s Manual for

details on programming the 85233 ESCC chip.

Features

•One channel of synchronous or asynchronous communications using the Zilog Z85233 chip

•Programmable electrical interface selection EIA/TIA-232/530/530A/485 and ITU V.35

•Programmable options for Transmit clock as input or output

•Software programmable baud rate

Internal Baud Rate Generator

The baud rate of the ESCC is programmed under software control.

Control and Status Registers Definition

The control and status registers occupy 16 consecutive locations. The following tables provide a functional

description of the bit positions. X = do not care

Base

Mode

IRQST

DSRA

485CLK

ECHOA

SYNCA_RTS

SYNCA_CTS

AM3

AM2

AM1

AM0

485CLK

ECHOA

SYNCA_RTS

SYNCA_CTS

AM3

AM2

AM1

AM0

RLA

LLA

TSETSLA

RXCOPTA

RLA

LLA

TSETSLA

RXCOPTA

SD7

SD6

SD5

SD4

SD3

SD2

SD1

SD0

Technical Description, continued

Field

Description

IRQST

SCC interrupt status: 1 = No interrupt pending on ESCC 0 = Interrupt pending on ESCC.

DSRA

DSRA: 1 = DSRA is not active 0 = DSRA is active

TSETSLA

TSET clock source: 1 = Received TXC as source 0 = TRXCA as source

RXCOPTA

RXCOPTA: 1 = Selects SCC PCLK for RTXCA 0 = Selects received RXC for

RTXCA

SYNCA_RTS

SYNCA _RTS: 1 = SYNCA connected to RTS 0 = SYNCA is high

SYNCA_CTS

SYNCA_CTS: 1 = SYNCA connected to CTS 0 = SYNCA is high

485CLK

TSET switches with TXD 1 = clk switches 0 = no CLK switching

ECHOA

ECHO enable: 1 = echo disabled 0 = echo enabled

AM0-AM3

I/O mode select. See table for valid interface options 0 = High Impedance

SD0-SD7

Optional security feature. Unique value per customer or application. Default value = FF

Default values are listed in bold

Technical Description, continued

Interface Selection

The PC-ACB.MP supports a variety of electrical interfaces. Refer to the Control and Status Register

Definitions found in the Technical Description section of this manual for this bit description. There is line

termination on RXD, RXC, and TXC in the following modes: RS-530, RS-530A, RS-485T, and V.35.

HEX

Interface Mode

All signals are high impedance

* not supported *

RS-232

* not supported *

RS-485T with 120 ohm termination

RS-485 without termination

6,7,8,9

* not supported *

single ended loop-back

differential loop-back

* not supported *

RS-530

V.35

RS-530A

Technical Description, continued

25 Pin Connector Signal Layouts (DB-25 Male)

RS-232 Signals

Base+5, M3-M0=2, 0010

Signal

Name

Pin #

Mode

GND

Ground

Receive Data

Input

CTS

Clear To Send

Input

DSR

Data Set Ready

Input

DCD

Data Carrier Detect

Input

Test Mode

Input

TXC

Transmit Clock

Input

RXC

Receive Clock

Input

TSET

Transmit Signal Element Timing

Output

DTR

Data Terminal Ready

Output

Transmit Data

Output

RTS

Request To Send

Output

Please terminate any control signals that are not going to be used. The most common way to do

this is connect RTS to CTS and RI. Also, connect DCD to DTR and DSR. Terminating these pins, if

not used, will help insure you get the best performance from your adapter.

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