IBM SuperSerial SST128P Handbuch

37L1461

PN 560156/A

October, 1998

OPTIONS

by IBM

Serial I/O SST128P Expandable Adapter

Hardware

Installation Guide

IBM Serial I/O 128P Expandable Subsystemii

Manual

Organization This manual is comprised of five chapters and two appendices.

Chapter 1 Overview

Chapter 1 describes the IBM Serial I/O Expandable

Subsystem components and their various configura-

tions.

Chapter 2 Adapter Installation & Setup

Chapter 2 describes the installation of the Serial I/O

Adapters and use of the host power "Y" cable.

Chapter 3 Serial I/O Port Module Installation

Chapter 3 describes how to install the Expansion

Modules, the Expansion Bus Cabling, installing the

PS-4 Power Supply and defines the module LEDs.

Chapter 4 Serial I/O Multiplexer Installation

Chapter 4 describes the installation of the Cluster

Multiplexers, component wall mounting, Power

Adapters and the Multiplexer Link Cable.

Chapter 5 Serial I/O Port to Device Cabling

Chapter 5 describes the cabling options that work

with the Serial I/O Expandable Subsystem.

Appendix A Power Defaults & Options

Appendix A provides a description of the Power

Strap default and optional Power Strap configura-

tions for Serial I/O Adapters.

Appendix B Help and Service Information

Appendix B describes the steps you would follow to

receive technical support and to report problems with

thisdocumentation.

Index

iii

Contents

HardwareInstallation Guide.................................................... i

ManualOrganization........................................................... ii

Contents.............................................................................iii

Overview ............................................................................... 1-1

PCI Adapters ...................................................................1-1

Expansion Modules .........................................................1-3

Expansion Bus Cables.....................................................1-6

Power Options .................................................................1-8

Serial I/O Adapter Installation & Setup............................... 2-1

PCI System Setup ...........................................................2-1

SoftwareInstallation ........................................................2-1

AdapterInstallation ..........................................................2-1

Host Power “Y” Cable...................................................... 2-2

Serial I/O Port Module Installation ......................................3-1

Installing Expansion Modules ..........................................3-2

Expansion Bus Cabling....................................................3-4

Installing the PS-4 Power Supply.....................................3-7

Module LEDs ...................................................................3-8

Serial I/O Multiplexer Installation........................................ 4-1

Cluster Multiplexers .........................................................4-2

WallMounting..................................................................4-2

Power Adapters ...............................................................4-2

Multiplexer Link Cable .....................................................4-3

IBM Serial I/O 128P Expandable Subsystemiv

Serial I/O Port To Device Cabling........................................ 5-1

PM16-DB and CMX16-DB Port Pinouts...........................5-1

Device Wiring ..................................................................5-2

Four Wire Connection......................................................5-3

Seven Wire Connection ...................................................5-4

Personal Computer Serial Port ........................................5-5

PM16-RJ and CMX16-RJ Port Pinouts ............................5-6

Modular Cables ...............................................................5-9

Modular Adapters ..........................................................5-10

Power Defaults & Options .................................................. A-1

Optional Power Configuration ......................................... A-2

Default Power Configuration ........................................... A-2

Help and Service Information............................................. B-1

Preparing To Call Technical Support .............................. B-1

Placing the Call to IBM.................................................... B-2

Product Warranty............................................................ B-3

The IBM Warranty for Machines ..................................... B-3

Statement of Limited Warranty ....................................... B-3

Production Status ........................................................... B-3

Warranty Service ............................................................ B-4

Extent of Warranty.......................................................... B-5

Trademarks .................................................................... B-6

Limitation of Liability........................................................ B-6

Electronic Emission Notices ........................................... B-7

Index ..............................................................................Index-1

Overview 1-1

The IBM Serial I/O Expandable I/O Subsystem is a High-speed

Serial Communications Multiple Port product. It consists of several

different modular components configured in a variety of

combinations to satisfy most applications. The various components

are:

lAdapter

lExpansion Modules

The Serial I/O Adapter (see Figure 1-1) occupies a slot in the host

computer and provides the intelligent communications functions to

"off-load" the CPU serial communications processing tasks.

Adapters can support up to 128 ports using external Expansion

Modules.

All Serial I/O Adapters consist of two SuperSerial Processors (SSPs)

for controlling the flow of data through multiple communication

ports. Figure 1-1 illustrates a Serial I/O Adapter containing two

SSPs. This adapter is capable of controlling the operation of up to

128 Serial I/O Ports.

PCI Adapters

Overview

Figure 1-1. Serial I/O Adapter (128-port)

IBM Serial I/O 128P Expandable Subsystem Hardware Installation Manual1-2

Table 1.1 below shows the various models of Expandable Host Controllers

available from IBM. Non-Expandable Host Controllers are not discussed

in this manual.

Each Serial I/O Adapter includes software drivers and installation

manuals for Microsoft Windows, Novell, DOS and UNIX operating

systems on a CD ROM. When booted, PCI bus systems

automatically identify and configure all PCI devices connected in the

system.

Please refer to www.equinox.com for cabling alternatives.

Table 1-1 Serial I/O Products

IBM Part

Number IBM Options - PCI Serial I/O Adapters

37L1414 Serial I/O SST8P DB Adapter

37L1415 Serial I/O SST16P RJ Adapter

37L1423 Serial I/O SST16P DB Adapter

37L1416 Serial I/O SST128 Expandable Adapter

37L1417 Serial I/O PM16RJ Port Module

37L1418 Serial I/O PM16DB Port Module

37L1421 Serial I/O PS4 Power Supply

37L1422 Serial I/O WT PS4 Power Supply

37L1419 Serial I/O 16RJ Multiplexer Set

37L1420 Serial I/O 16DB Multiplexer S et

37L1424 Serial I/O 16RJ WT Multiplexer Set

37L1425 Serial I/O 16DB WT Multiplexer Set

Overview 1-3

Peripheral devices (Such As Terminals, Printers, Modems, Bar Code

Readers, Cash Registers, etc.) are connected to Expansion Modules

located outside of the computer system. Expansion Modules are

connected to the Serial I/O Adapter residing in the system via an

Expansion Bus. The Expansion Bus provides signals from the Serial

I/O Adapter to the Expansion Modules. The 128-port Adapters have

dual Expansion Buses, accommodating from one to four Expansion

Modules on each bus, for a total of up to eight Expansion Modules.

A basic 16-port configuration is shown in Figure 1-2.

Expansion

Modules

A 4-foot (1.2m) Host Cable is supplied for connecting the Expansion

Module(s) to the Adapter Card. Two Host Cables are supplied with

each 128-port Adapter Card. Multiple Expansion Modules mate

together to permit simple expansion of the entire system without

disassembling the computer.

Figure 1-2. Adapter - Host Cable - Expansion Module

IBM Serial I/O 128P Expandable Subsystem Hardware Installation Manual1-4

Multiplexer Interface

Modules Clusters of devices may be connected within a radius of 3,500 feet

(1Km) to the Adapter using Multiplexer Set which includes

Multiplexer Interface Modules (MIM), Cluster Multiplexers (CMX)

and Power Supply. (see Figure 1-4). In this application a 16-port

Cluster Multiplexer is located near the user devices and a low-cost

two-twisted-pair link (category 2 or above UTP) cable is run back to

the Multiplexer Interface Module. Cluster Multiplexers are ideal for

distributing devices in, as an example, a multi-building campusfacility.

A variety of Expansion Modules are available. Any choice of

Expansion Modules may be freely intermixed on an Expansion Bus

with a maximum of four Expansion Modules per bus (see Figure 1-3).

Expansion Modules are used to connect peripheral devices directly to

the Expansion Bus. 16-port Expansion Modules are available with a

choice of DB-25 or RJ-45 connectors for RS-232 interfaces.

Expansion Modules

Figure 1-3. Adapter - Host Cable - Four Expansion Modules

Overview 1-5

16-port Cluster Multiplexers are available with either DB-25 or RJ-45

Connectors. Additional Multiplexer Sets may be added for additional

ports. One MIM can support only one CMX.

Figure 1-4. MIM-1 - Cluster Multiplexer

IBM Serial I/O 128P Expandable Subsystem Hardware Installation Manual1-6

Expansion Bus

Cables Expansion Modules (i.e. Port Modules and Multiplexer Interface

Modules) may be located further than the supplied 4-foot (1.2m) Host

Cable permits by using Expansion Bus Cables (EBCs). An EBC is

used in place of the Host Cable. As shown in Figure 1-5, a group of

four Expansion Modules are located 200 feet (61m) from the host

computer using an EBC. A typical application using EBCs is when

the host computer is located some distance away from the wiring

closet where all the peripheral cabling exists

EBCs are available in 25-foot (7.6m) (Equinox PN 690302) and 100-

foot (30.5m) (Equinox PN 690306) lengths.

Please refer to www.equinox.com for cabling alternatives.

Figure 1-5. 200 Feet (61 m) EBC

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