SeaLevel Route 56 Manuale utente

Route 56

User Manual | 5011

Contents

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

BEFORE YOU GET STARTED ...............................................................................................................................3

INTRODUCTION ................................................................................................................................................... 4

CARD SETUP ........................................................................................................................................................5

INSTALLATION .................................................................................................................................................... 8

TECHNICAL DESCRIPTION ................................................................................................................................. 9

SPECIFICATIONS ...............................................................................................................................................21

APPENDIX A – TROUBLESHOOTING................................................................................................................22

APPENDIX B – HOW TO GET ASSISTANCE .....................................................................................................23

APPENDIX C – ELECTRICAL INTERFACE ........................................................................................................24

APPENDIX D – SILK SCREEN............................................................................................................................26

APPENDIX E – COMPLIANCE NOTICES...........................................................................................................27

WARRANTY ........................................................................................................................................................28

Before You Get Started

What’s Included

The Route 56 is shipped with the following items. If any of these items are missing or damaged, please

contact Sealevel for replacement.

•Route 56 Adapter (Item# 5011)

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.

Introduction

Overview

The ROUTE 56 adapter provides the PC with a single channel high-speed multi-protocol serial interface

suitable for the most popular communication protocols. This sync/async card provides an ideal solution

for high-speed applications including LAN/WAN connectivity. Utilizing the Z16C32 (IUSC™) on chip DMA

controller eliminates bus bandwidth constraints that are placed on typical PC interface adapters, allowing

data rates to reach 10M bps in burst mode. By utilizing the Z16C32's 32 byte FIFO buffer coupled with 256K

of on board memory, higher data rates are achieved without increasing processor overhead.

What’s Included

The ROUTE 56 is shipped with the following items. If any of these items are missing or damaged, contact

the supplier.

•ROUTE 56 Adapter

Factory Default Settings

The ROUTE 56 factory default settings are as follows:

Base Address IRQ Default Electrical Interface

300 5 RS-530/422

To install the ROUTE 56 using factory default settings, refer to Installation on page 5.

For your reference, record installed ROUTE 56 settings below:

Base Address IRQ Default Electrical Interface

Card Setup

The ROUTE 56 contains several jumper straps for each port, which must be set for proper operation.

Address Selection

The ROUTE 56 adapter occupies a total of eight consecutive I/O locations. A DIP-switch is used to set the

base address for these locations. Be careful when selecting the base address as some selections conflict

with existing PC ports. The following table shows several examples that usually do not cause a conflict.

Address

Binary

Switch Settings

Hex A9

1 2 3 4 5 6

238-23F

000111XXX On On On Off Off Off

300-307

100000XXX Off On On On On On

308-30F

100000XXX Off On On On On On

310-317

100010XXX Off On On On Off On

318-31F

100010XXX Off On On On Off On

320-327

100100XXX Off On On Off On On

3A0-3A7

110100XXX Off Off On Off On On

Figure 1 - Address Selection Table

The following illustration shows the correlation between the DIP-switch setting and the address bits used

to determine the base address. Assume 300 Hex to 307 Hex is the desired base address. 300 Hex = (1) 1

0000 0X in Binary.

Figure 2 - DIP-Switch Illustration

Setting the switch “On” or “Closed” corresponds to a “0” in the address, while leaving it “Off” or

“Open” corresponds to a “1”.

OFF

Interface Selection

The Route 56 supports a variety of electrical interfaces. These interfaces may be selected in two ways. The

determining bit is found at Base+5, bit position D4, and is identified as IFSEL (InterFace SELect). Reference

the Control/Status Register Descriptions, found in the Technical Description section of this manual for this

bit description. When IFSEL = 0, then the values read from M3-M0 are determined by the DIP-switch SW2.

If all the switches on SW2 are off, then all drivers and receivers are in a high impedance state. Only one

switch should be set to the on position at a time. The following example illustrates SW-2:

When IFSEL = 1, then the values read from M3-M0 are determined by values written to base+5 register. If

this method is utilized, all switches on SW2 should be set in the off position, unless a default value is

required. This prevents the application of excess voltages on power-up to external receivers. The following

table shows the valid options.

HEX M3 M2 M1 M0 INTERFACE MODE

0 0 0 0 0 all signals are high impedance

1 0 0 0 1 * not supported *

2 0 0 1 0 RS-232

3 0 0 1 1 * not supported *

4 0 1 0 0 RS-485 with 120 ohm termination

5 0 1 0 1 RS-485 without termination

6,7,8,9 0 1 1 0 * not supported *

A 1 0 1 0 single ended loop-back

B 1 0 1 1 differential loop-back

C 1 1 0 0 * not supported *

D 1 1 0 1 RS-530

E 1 1 1 0 V.35

F 1 1 1 1 RS-530A

OFF

IRQ Selection

Header E1 is used to select the interrupt request for each the Route 56. In the example below, IRQ12 is

selected. This setting must be made prior to installing the adapter. Please query your system to determine

the best available IRQ to use.

3 4 5 7 9 10111215

Figure 3 – Header E1 IRQ Selection

Installation

The ROUTE 56 can be installed in any of the 16-bit ISA expansion slots. The ROUTE 56 contains several

jumper straps for each port, which must be set for proper operation.

1. Turn off PC power. Disconnect the power cord.

2. Remove the PC case cover.

3. Locate an available slot and remove the blank metal slot cover.

4. Gently insert the ROUTE 56 into the slot. Make sure the adapter is seated properly.

5. Replace the screw.

6. Replace the cover.

7. Connect the power cord.

Installation is complete.

The ROUTE 56 has a number of cabling options available. These options include:

•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.

•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.

DSR is not available on the card as shipped but can be enabled by placing a 0-ohm resistor at R30

and removing the 0-ohm resistor at R31. This will disable the use of Ring Indicator on RS-232,

V.35, and RS-530A.

Operation System Installation

Windows NT Users Only

Select Install Software at the beginning of the CD and follow the instructions for installing the HDLC C32

driver located under Synchronous/Asynchronous software installation selection.

Sealevel Systems no longer includes a CD with Sealevel software and drivers with the products. Most

all of Sealevel’s software and drivers are available on the website (www.sealevel.com). Sealevel’s

Technical Support department can assist in downloading the correct driver and/or software for the

Route 56. Please contact Technical Support at [email protected] for further information.

Technical Description

The Sealevel Systems ROUTE 56 adapter was designed for seamless integration into any ISA based system.

The ROUTE 56 adapter requires a 80286 or higher CPU, one IRQ, a 8 byte block of I/O address and a 16K

block of memory address. The memory range of this adapter is configured to reside in the lower 1Megabyte

of memory and appears to the system as a bank switched 16K window. The ROUTE 56 adapter's memory

range can be disabled allowing multiple adapters to share the same block of memory.

Features

•Single channel high speed sync/async wide area network (WAN) interface

•RS-232, RS-422/449, EIA-530, V.35 and RS-485 serial interface capability with versatile cabling

options

•Multi-protocol capable including: PPP (point-to-point protocol), Frame Relay, X.25, high-speed

Async, Bi-Sync, Mono-Sync, HDLC, SDLC

•Ideal for T1, Fractional T1, E1, and ISDN applications

•On-board Z16C32 (IUSC™) with built in DMA controller and 32 byte FIFO buffer

•Up to 10 Mbps burst mode

•256K of on-board RAM

•Link list DMA supported

•16-bit data path

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