Cisco PA-4C-E 1 Manuale dell'operatore

Americas Headquarters:

Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA

PA-4C-E 1-Port High-Performance

ESCON Channel Port Adapter Installation and

Configuration

Product Number: PA-4C-E(=)

Platforms Supported: Cisco 7200 Series Routers, including the Cisco 7200 VXR Routers

Document part number: OL-3473-02

PA-4C-E 1-Port High-Performance ESCON Channel Port Adapter Installation and Configuration OL-3743-02

Preface

This preface describes the objectives and organization of this document and explains how to find

additional information on related products and services. This preface contains the following sections:

•Document Revision History, page 2

•Objectives, page 2

•Organization, page 2

•Related Documentation, page 3

•Obtaining Documentation, Obtaining Support, and Security Guidelines, page 3

Document Revision History

The Document Revision History table below, beginning with version OL-3473-03, records technical

changes to this document.

Objectives

This document describes how to install and configure the 1-Port High-Performance Enterprise Systems

Connection (ESCON) IBM Channel Port Adapter (PA-4C-E), hereafter referred to as the HP ESCON

PA, which is supported on Cisco 7200 series routers, including the Cisco 7200 VXR routers.

Organization

This document contains the following four sections:

Document Version Date Change Summary

OL-3473-02 April, 2007 Restructured to parallel other port adapter

documentation.

Title Description

Overview Describes the HP ESCON PA and its LED displays,

cables, and receptacles.

Preparing for Installation Describes safety considerations, tools required, and

procedures you should perform before the actual

installation.

Removing and Installing Port Adapters Describes the procedures for installing and removing

HP ESCON PA port adapters in the supported platforms.

Configuring the HP ESCON PA Provides instructions for configuring the HP ESCON PA

on the supported platforms.

PA-4C-E 1-Port High-Performance ESCON Channel Port Adapter Installation and Configuration

OL-3743-02

Preface

Related Documentation

Your router, switch, or gateway and the Cisco IOS software running on it contain extensive features and

functionality, which are documented in the following resources:

•Cisco IOS software:

For configuration information and support, refer to the modular configuration and modular

command reference publications in the Cisco IOS software configuration documentation set that

corresponds to the software release installed on your Cisco hardware.

Note You can access Cisco IOS software configuration and hardware installation and maintenance

documentation on the World Wide Web at http://www.cisco.com,

http://www-china.cisco.com,or http://www-europe.cisco.com.

•Cisco 7200 series routers:

–

For an online directory to quickly access documents for Cisco 7200 series routers, refer to the

Cisco 7200 Series Routers Documentation Roadmap at the following URL:

http://www.cisco.com/en/US/products/hw/routers/ps341/products_documentation_roadmap09

186a00801c0915.html

–

For hardware installation and configuration information (including the Cisco 7206 or

Cisco 7206VXR as a router shelf in a Cisco AS5800 Universal Access Server), refer to the

online installation and configuration guide and quick start for your Cisco 7200 series router.

–

For port adapter hardware and memory configuration guidelines, refer to the Cisco 7200 Series

Port Adapter Hardware Configuration Guidelines.

–

For information on network processing engines or network services engines, refer to the

Network Processing Engine and Network Services Engine Installation and Configuration

document.

•Cisco 7200 VXR routers:

–

For an online directory to quickly access documents for Cisco 7200 VXR routers, refer to the

Cisco 7200 Series Routers Documentation Roadmap at the following URL:

http://www.cisco.com/en/US/products/hw/routers/ps341/products_documentation_roadmap09

186a00801c0915.html

–

For hardware installation and maintenance information, refer to the Cisco 7200 VXR

Installation and Configuration Guide or the Cisco 7200 VXR Routers Quick Start Guide.

•For international agency compliance, safety, and statutory information for WAN interfaces, refer to

the following document. Use the documentation roadmap for the Cisco 7200 series routers to link

to this document:

–

Regulatory Compliance and Safety Information for the Cisco 7200 Series Routers

Obtaining Documentation, Obtaining Support, and Security Guidelines

For information on obtaining documentation, obtaining support, providing documentation feedback,

security guidelines, and also recommended aliases and general Cisco documents, see the monthly

What’s New in Cisco Product Documentation, which also lists all new and revised technical

documentation at:

PA-4C-E 1-Port High-Performance ESCON Channel Port Adapter Installation and Configuration OL-3743-02

Preface

http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html

PA-4C-E 1-Port High-Performance ESCON Channel Port Adapter Installation and Configuration

OL-3743-02

Overview

This section describes the HP ESCON PA, including channel attachment, the LED functions, the

memory and cable requirements, and contains the following subsections:

•Port Adapter Overview, page 5

•ESCON Specifications, page 7

•LEDs, page 7

•ESCON Cable, page 9

•Port Adapter Slot Locations on the Supported Platforms, page 9

•Identifying Interface Addresses, page 10

Port Adapter Overview

The HP ESCON PA is a high-speed (100 bandwidth points) port adapter for Cisco 7200 series routers,

including the Cisco 7200 VXR routers, that supports IP Datagram, TCP/IP Offload, TN3270 Server, TCP

Assist, Cisco MultiPath Channel (CMPC), CMPC+, and Cisco SNA (CSNA) software applications.

The HP ESCON PA provides a single channel interface for Cisco 7200 series routers

A mainframe channel (referred to as a channel) is an intelligent processor that manages the protocol on

the communications media and controls the data transfer to and from the main central processing unit

(CPU) storage. Devices called input/output processors (IOPs) communicate between the host CPU and

the channel. One IOP controls multiple channels. There is no relationship between the number of CPUs

and the number of IOPs.

The channel relieves the mainframe CPU of direct communication with input/output (I/O) devices,

which saves processing cycles and allows data processing and communications tasks to run concurrently.

Channels use one or more channel paths as the links between mainframes and I/O devices. I/O devices

are connected directly to control units, which provide the logical capabilities required to operate and

control the I/O devices.

In some situations, this interface can eliminate the need for a separate front-end processor (FEP). The

HP ESCON PA contains one ESCON I/O connector.

The HP ESCON PA (Figure 1) provides a single channel attachment interface for connecting Cisco 7200

series routers to an ESCON director or to a mainframe channel.

Note The Cisco 7200 series routers support the OIR of all port adapter types.

Figure 1 ESCON Channel Port Adapter, Faceplate View

The HP ESCON PA has a single female duplex connector and has 128 MB of DRAM. There are no

memory options for the HP ESCON PA.

45335

SIGNAL

ONLINE

LOADED

PRESENT

HP ESCON PA

PA-4C-E 1-Port High-Performance ESCON Channel Port Adapter Installation and Configuration OL-3743-02

Overview

You can install the HP ESCON PA in any of the available port adapter slots in a Cisco 7200 series router.

Figure 2 shows an HP ESCON PA installed in port adapter slot 1 of a Cisco 7206.

Figure 2 Cisco 7206 with an HP ESCON PA in Port Adapter Slot 1

Note The HP ESCON PA supports online insertion and removal (OIR), which allows you to install or remove

an HP ESCON PA while the system is operating without shutting down system power.

The entire HP ESCON PA microcode image is delivered on a router Flash memory card or SanDisk

memory device, or you can download it from Cisco.com.

•When ordered as a spare, the HP ESCON PA microcode is available via Cisco.com.

•When ordered as part of a new system, the HP ESCON PA microcode is available on Flash memory

cards and SanDisk memory devices (which also include the Cisco IOS release compatible with the

microcode version) and via Cisco.com.

•When shipped with a new system, there is a default setting in Cisco IOS that points to the HP

ESCON PA microcode with which it has been virtually bundled (separately bundled and preloaded

onto the Flash memory card or SanDisk memory device along with the compatible Cisco IOS

software). The Cisco IOS software loads the HP ESCON PA microcode image onto the port adapter

when the router boots and when an HP ESCON PA is inserted into a router that has already been

booted.

We recommend that you use the version of the HP ESCON PA microcode that is virtually bundled with

your Cisco IOS software. If you choose not to, you must copy a microcode image onto the router Flash

memory card or SanDisk memory device and use the microcode router configuration command to

instruct the Cisco IOS software to use the microcode image you copied instead of the microcode image

virtually bundled with your version of the Cisco IOS software.

•For instructions on placing HP ESCON PA microcode on the router Flash memory card, see the

“Copying a New Image to the Flash Memory Card on a Cisco 7200 Series Router” section on

page 36.

•For instructions on placing HP ESCON PA microcode on the SanDisk memory device, see the

“Using SanDisk Devices” section on page 38.

•For instructions on configuring Cisco IOS to use an HP ESCON PA image from the router Flash

memory card or SanDisk memory device, refer to the “Configuring the HP ESCON PA Microcode”

section on page 34.

H11717

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ENABLED

PCMCIA

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ENABLE

FE LINK

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1O POWER

SLOT 1

FE MII

Cisco 7200

Series

PRESENT LOADED SIGNAL ONLINE

Parallel channel

port adapter

PA-4C-E 1-Port High-Performance ESCON Channel Port Adapter Installation and Configuration

OL-3743-02

Overview

•For general information on HP ESCON PA microcode, refer to the “HP ESCON PA Microcode

Overview” section on page 12. For specific instructions to configure the Cisco IOS software to

download microcode from the router Flash memory card or SanDisk memory device, refer to the

“Upgrading the HP ESCON PA Microcode from Cisco.com” section on page 33.

ESCON Specifications

Table 1 lists the specifications for the ESCON interfaces.

LEDs

The functions of the HP ESCON PA LEDs are as follows:

•Enabled—Indicates that the HP ESCON PA is enabled for operation by the system.

•Present—Indicates that the ESCON channel is detected by the HP ESCON PA.

•Loaded—Indicates that the ESCON channel firmware is completely loaded.

•Signal—Indicates that the sync signal has been detected from the ESCON neighbor node.

•Online—Indicates that an establish-logical-path request has been received from the channel and that

the establish-logical-path request matches one of the paths configured on the HP ESCON PA.

Table 1 ESCON Speciﬁcations

Characteristic ESCON Specification

Supported processor I/O architectures ESA/390

Bit transmission Serial

Maximum distance (for LED with

ESCON) 1.9 miles (3.1 km) point-to-point

5.7 miles (9.2 km) with two ESCON Directors and each hop

not exceeding 3 km.

Channel data rate Up to 17 MBps

Signaling rate 200 Mbps

Cable types Fiber-optic (62.5/125 micron multimode)

Addition of devices to running systems Dynamic1

Number of addressable devices per

channel 256 x 16 x 16 x 2532

Connectable control units per channel Up to 59 (through a 9032 ESCON Director)

Connectable channels per adapter Up to 59 (through a 9032 ESCON Director); varies by

control unit

1. The HP ESCON PA requires dynamic = NO with HCD.

2. Where 256 represents available unit addresses, 16 represents the number of logical partitions (LPARs), 16 represents the

number of control unit images, and 253 represents the number of ESCON director paths. It is unlikely a system would have

the resources to support the total number of available addresses.

PA-4C-E 1-Port High-Performance ESCON Channel Port Adapter Installation and Configuration OL-3743-02

Overview

Figure 3 shows the LED indicators.

Figure 3 HP ESCON PA LED Indicators

Table 2 shows the HP ESCON PA LED indicator sequences during a cold boot. The ENABLED LED is

not part of the following sequences; it remains on during the boot sequence (Figure 4).

Figure 4 LED Boot Sequence

46956

SIGNAL

ONLINE

LOADED

PRESENT

Table 2 Cold Boot LED Sequence

Sequence Present Loaded Signal Online

1 Off On Off Off

2 Off Off Off On

3 Off On Off On

4 On Off Off Off

5 OnOnOffOff

6OnOffOffOn

7 OnOnOffOn

8 Off Off On Off

1. Indicates that the HP ESCON PA is starting to execute the microcode

and waiting for commands

Off Off Off Off

SIGNAL

ONLINE

LOADED

PRESENT

SIGNAL

ONLINE

LOADED

PRESENT

SIGNAL

ONLINE

LOADED

PRESENT

SIGNAL

ONLINE

LOADED

PRESENT

SIGNAL

ONLINE

LOADED

PRESENT

SIGNAL

ONLINE

LOADED

PRESENT

SIGNAL

ONLINE

LOADED

PRESENT

SIGNAL

ONLINE

LOADED

PRESENT

SIGNAL

ONLINE

LOADED

PRESENT

46957

* Because of the short duration of the LEDs, you will typically

see onl

these LED se

uences.

PA-4C-E 1-Port High-Performance ESCON Channel Port Adapter Installation and Configuration

OL-3743-02

Overview

ESCON Cable

The ESCON channel interface uses 62.5/125 micrometer, multimode, fiber-optic cable with male duplex

connectors at each end (Figure 5). ESCON cables are not available from Cisco. Refer to the ESCON

specifications in and contact your cable supplier or the vendor of your host CPU to order the correct

ESCON cable.

Figure 5 ESCON Interface Duplex Connector for the ESCON Channel Port Adapter

Port Adapter Slot Locations on the Supported Platforms

The following sections provide port adapter slot locations and related information:

•Cisco 7200 Series Routers and Cisco 7200 VXR Routers Slot Numbering, page 9

Cisco 7200 Series Routers and Cisco 7200 VXR Routers Slot Numbering

Cisco 7204 routers and Cisco 7204VXR routers have four slots for port adapters, and one slot for an

input/output (I/O) controller. The slots are numbered from the lower left to the upper right, beginning

with slot 1 and continuing through slot 4. You can place a port adapter in any of the slots (slot 1 through

slot 4). Slot 0 is always reserved for the I/O controller. The Cisco 7204 router and Cisco 7204VXR router

are not shown.

Cisco 7206 routers and Cisco 7206VXR routers have six slots for port adapters, and one slot for an

input/output (I/O) controller. The slots are numbered from the lower left to the upper right, beginning

with slot 1 and continuing through slot 6. You can place a port adapter in any of the six slots (slot 1

through slot 6). Slot 0 is always reserved for the I/O controller. Figure 6 shows the slot numbering on a

Cisco 7206 router. The Cisco 7206VXR router is not shown.

Note Interface ports are numbered from left to right starting with 0.

H2454

PA-4C-E 1-Port High-Performance ESCON Channel Port Adapter Installation and Configuration OL-3743-02

Overview

Figure 6 Port Adapter Slots in the Cisco 7206 Router

Identifying Interface Addresses

This section describes how to identify the interface addresses for the port adapter slots and ESCON

channel port numbers. Interface addresses specify the actual physical location of each interface port on

the router.

This address is composed of a two-part number in the format port-adapter-slot

number/interface-port-number, as follows:

•The first number identifies the port adapter slot in which the HP ESCON PA is installed.

•The second number identifies the interface port on the HP ESCON PA, which is always numbered

as interface 0 for the HP ESCON PA.

Note Some IBM channel attach software features are configured on a virtual port. On the CIP cards installed

in a Cisco 7500-series router, there are up to two physical ports, numbered 0 and 1, and a virtual port,

numbered 2. However, on the HP ESCON PA installed in a Cisco 7200 series router, the single physical

port and the virtual port are configured using the same port number identifier, number 0.

Interface ports maintain the same address regardless of whether other port adapters are installed or

removed from the slot. However, when you move a port adapter to a different slot, the first number in

the address changes to reflect the new port adapter slot number.

Note The HP ESCON PA is considered a high-speed port adapter; there are specific configuration guidelines

that must be observed. Refer to the publication Cisco 7200 Series Port Adapter Hardware Configuration

Guidelines (Document Number 78-3471-xx), which shipped with your Cisco 7200 series chassis and is

also available on the Cisco Connection Documentation, Enterprise Series CD-ROM.

The following subsections describe the interface address formats for the supported platforms:

•Cisco 7200 Series Routers and Cisco 7200 VXR Routers Interface Addresses, page 11

H6422

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Port adapter slot 3

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Port adapter slot 6

Port adapter slot 4

Port adapter slot 2

MII

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1O PWR

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SLOT 1

FE MII

Port adapter slot 0

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