Cisco LightStream 1010 Guida rapida

Doc. No.

Cisco Systems, Inc.

LightStream1010ATMSwitchProcessorModule

Conﬁguration Note

78-2988-01 Rev. A0

Product Numbers: WATM-ASP1=

This document contains instructions for installing and conﬁguring the LightStream 1010 ATM

switch processor (ASP) module. For a complete description of commands used to conﬁgure and

maintain the ASP, refer to the LightStream 1010 ATM Switch Software Conﬁguration Guide and

LightStream 1010 ATM Switch Command Reference publications. For complete hardware

conﬁguration and maintenance procedures, refer to the LightStream 1010 ATM Switch User Guide

publication.

Cisco documentation and additional literature are available on a CD called Cisco Connection

Documentation, Enterprise Series. The CD is updated and shipped monthly, so it might be more

up-to-date than the printed documentation. To order the Cisco Connection Documentation,

Enterprise Series CD, contact your local sales representative or call Customer Service. The CD is

available both as a single CD and as an annual subscription. You can access Cisco technical

documentation on the World Wide Web Universal Resources Locator (URL)

http://www.cisco.com.

Sections in this document include the following:

•What is the LightStream 1010 ATM Switch?

•ASP Description

•ASP LEDs

•Preparing Network Connections

•Safety Recommendations

•Installing and Replacing the ASP

•Conﬁguring the Interfaces

•ASP Conﬁguration Defaults

Warning Only trained and qualiﬁed personnel should install or replace the LightStream 1010 ATM

switch, chassis, power supplies, fan assembly, or modules.

2LightStream 1010 ATM Switch Processor Module Conﬁguration Note

What is the LightStream 1010 ATM Switch?

The LightStream 1010 uses a ﬁve-slot, modular chassis featuring the option of dual, fault-tolerant,

load-sharing power supplies (See Figure 1.) The central slot in the LightStream 1010 is dedicated to

a single, ﬁeld-replaceable ATM switch processor (ASP) module that supports both the 5-Gbps

shared memory and the fully nonblocking switch fabric. The ASP also supports the feature card and

high performance reduced instruction set (RISC) processor that provides the central intelligence for

the device. The remaining slots support up to four hot-swappable Carrier Modules (CAMs). Each

CAM supports up to two hot-swappable Port Adapter Modules (PAMs) for a maximum of eight

PAMs per switch, supporting a wide variety of desktop, backbone, and wide-area interfaces.

Figure 1 Front View of the LightStream 1010 ATM Switch

The LightStream 1010 ATM switch provides switched ATM connections to individual workstations,

servers, LAN segments, or other ATM switches and routers using ﬁber-optic, unshielded

twisted-pair (UTP), and coaxial cable.

Figure 2 shows an example of a network conﬁguration using the LightStream 1010 ATM switch in

a high-performance workgroup.

H5596

Power supply 0 Power supply 1

ATM switch processor

PS1

PS2

FAN

LINK

SLOT 2

SLOT 1

PCMCIA

EJECT AUX

CONSOLE

Enet

RESET

SWITCH/PROCESSOR

LightStream 1010 ATM Switch Processor Module Configuration Note 3

What is the LightStream 1010 ATM Switch?

Figure 2 LightStream 1010 Workgroup Conﬁguration Example

Figure 3 shows an example of a network conﬁguration using the LightStream 1010 ATM switch for

a campus backbone.

Figure 3 LightStream 1010 Backbone Conﬁguration Example

LightStream 1010

ATM Switch

Workstations

Servers

H5811

LightStream

1010

LightStream

1010

LightStream

1010

Workstation Workstation

Catalyst 5000

Server

H5812

7000

4LightStream 1010 ATM Switch Processor Module Conﬁguration Note

ASP Description

The ASP, shown in Figure 4, is the main system processor in the switch. The ASP contains the ATM

switching engine and network management processor for the system software and most of the

system memory components. It maintains and executes the management functions that control the

system.

Note The ASP must be installed in the middle slot, slot number 2.

Figure 4 ATM Switch Processor

The ASP has the following features:

•5-gigabits per second (Gbps) switching fabric

•MIPS architecture R4600 microprocessor at 100 MHz internally, 50 MHz system interface

•Memory components include:

—Main memory is used by the system software—one dynamic random access memory

(DRAM) bank of two single in-line memory modules (SIMMs), with

16 MB of DRAM as the default (upgradeable to 32 or 64 MB)

—8 MB of Flash memory for downloading the system software

•Dual PCMCIA card slot that can be used for additional Flash memory

•Air-temperature sensor for environmental monitoring

•Console serial port that can be conﬁgured for a terminal or a modem

•Auxiliary serial port for modem connection

•Ethernet port to allow Simple Network Management System (SNMP) to use an Ethernet attached

management station

In addition to these features, the ASP performs the following management functions:

•Monitors interface and environmental status

•Provides SNMP management and the console/Telnet interface

The ASP must be installed in slot 2, the middle slot when facing the front panel. (See Figure 1.)

Flash Memory The embedded Flash memory allows you to remotely load and store system software images. You

can download a new software image over the network or from a local server, and add the new image

to Flash memory or replace an existing ﬁle.

Reset Switch Access to the reset switch, located behind the faceplate of the ASP, is through a small hole

approximately 1.5 inches to the right of the ASP status LED. (See Figure 5.)

H5597

PS1

PS2

FAN

LINK

SLOT 2

SLOT 1

PCMCIA

EJECT AUX

CONSOLE

Enet

RESET

SWITCH/PROCESSOR

LightStream 1010 ATM Switch Processor Module Configuration Note 5

ASP Description

Enet Port The Ethernet RJ-45 port (labeled Enet) may be used to connect a management workstation and

enables SNMP management of the LightStream 1010 switch. (See Figure 5.)

Dual PCMCIA Card Slot

The dual-height Personal Computer Memory Card International Association (PCMCIA), Type II,

card slot (shown in Figure 5) can be used to store Cisco Internetwork Operating System (IOS)

software or system conﬁguration information on a Flash card. The switch may also boot from the

software stored on the Flash card.

Figure 5 ATM Switch Processor PCMCIA Slot

Console Port Signals

The console port on the ASP is a female, EIA/TIA-232, data communications equipment (DCE),

DB-25 receptacle. Both data set ready (DSR) and data carrier detect (DCD) are active when the

system is running. (See Figure 6.) The ready to send (RTS) signal tracks the state of the clear to send

(CTS) input. The console port does not support modem control or hardware ﬂow control. The

console port requires a straight-through EIA/TIA-232 cable. Table 1 lists the signals used on this

port.

Table 1 Console Port Signals

Note EIA/TIA-232 was known as recommended standard RS-232 before its acceptance as a

standard by the Electronic Industries Association (EIA) and Telecommunications Industry

Association (TIA).

Pin Signal Direction Description

1 GND -- Ground

2 TxD <--- Transmit data

3 RxD ---> Receive data

6 DSR ---> Data set ready (always on)

7 GND -- Ground

8 DCD ---> Data carrier detect (always on)

20 DTR ---> Data terminal ready

H5599

SLOT 1

SLOT 0

PCMCIA

EJECT

6LightStream 1010 ATM Switch Processor Module Conﬁguration Note

ASP Description

Auxiliary Port Signals

The auxiliary port on the ASP is a male, EIA/TIA-232 DTE, DB-25 plug to which you can attach a

channel service unit/data service unit (CSU/DSU) or other equipment in order to access the switch

from the network. (See Figure 6.) Table 2 lists the EIA/TIA-232 signals used on this port.

The asynchronous auxiliary port supports hardware ﬂow control and modem control.

Table 2 Auxiliary Port Signals

Figure 6 AUX and Console Connectors

Feature Card The feature card is a daughter card of the ASP module that implements a number of value-added

capabilities over and above the base switch mechanisms. These include:

•Per-virtual channel (VC) statistics collection

•Multicast cell replication

•Congestion control for the available bit rate (ABR) service

•Policing

•Threshold based Selective Discard

•Intelligent Early Packet Discard

Pin Signal Direction Description

2 TxD ---> Transmit data

3 RxD <--- Receive data

4 RTS ---> Request to send (used for hardware ﬂow control)

5 CTS <--- Clear to send (used for hardware ﬂow control)

6 DSR <--- Data set ready

7 Signal ground -- Signal ground

8 CD <--- Carrier detect (used for modem control)

20 DTR ---> Data terminal ready (used for modem control only)

H5600

AUX

CONSOLE

LightStream 1010 ATM Switch Processor Module Configuration Note 7

ASP Description

Supporting such capabilities on the ﬁeld-replaceable feature card allows you to upgrade the

LightStream 1010 in the ﬁeld as and when such standards evolve and more advanced mechanisms

are required.

Note When you upgrade the feature card you must power down the switch and remove the ASP

module.

Speciﬁcations Table 3 lists the ATM switch processor speciﬁcations:

Table 3 ATM Switch Processor Module Speciﬁcations

1. Gbps = gigabits per second

Description Speciﬁcations

Switch and processor

capacity 5 Gbps1shared memory, nonblocking switch fabric

65,536 cells of ATM cell buffers

Software images Default image with IISP protocol

Optional PNNI image with plug-and-play capacity

Dimensions (H x W x D) 1.2 x 14.4 x 16 in.(3.0 x 36.6 x 40.6 cm)

Weight 6.85 lb (3.09 kg)

Operating temperature 32 to 104F (0 to 40C)

Nonoperating temperature -40 to 67F (-40 to 75C)

Humidity 10 to 90%, noncondensing

Altitude -500 to 10,000 ft (-52 to 3,048 m)

Microprocessor 100-MHz MIPs R4600

Memory 8 MB of Flash memory (upgradeable to 16 MB)

16 MB of packet-buffer DRAM2standard (upgradeable to 64 MB)

256 KB of boot EPROM

128 KB of SRAM3

Interface timing Loop timing, Stratum 4 accuracy clock for self-timing, master clock distribution port

ATM Switch Processor

(ASP) ASP module, 16 MB DRAM, 8 MB Flash memory, No Flash card installed

WATM-ASP1

Management access Standard Ethernet and dual EIA/TIA 232 serial ports on ASP module

ASP Interface ports RJ-45 IEEE 802.3 Ethernet 10BaseT port, 25-pin EIA/TIA-2324AUX port, and a

DB-25 console port for an administration workstation

Network management Port Tx and Rx LEDs, switch and common equipment status LEDs

Mean Time Between

Failures 5.8 years for ASP and Feature card

Maximum

station-to-station cabling

distance

10BaseT Ethernet—Category 3-5 UTP5: 328 ft. (100 m)

Agency approvals Safety: UL61950, CSA7-C22.2 No. 950-93, and EN60950

EMI8: FCC Class A

CE Mark, and VCCI Class II with shielded cables

8LightStream 1010 ATM Switch Processor Module Conﬁguration Note

ASP Description

ASP LEDs The LEDs on the ASP indicate the status of the system, which includes the fan assembly and power

supply(ies) and the ASP. The ASP LEDs are shown in Figure 7 and described in Table 4.

Figure 7 ATM Switch Processor LEDs

Table 4 ATM Switch Processor LEDs

2. DRAM = dynamic random-access memory

3. SRAM = static random-access memory

4. MII = media independent interface

5. UTP = unshielded twisted-pair

6. UL = Underwriters Laboratory

7. CSA = Canadian Standards Association

8. EMI = electromagnetic interference

1. This LED is located to the right of the Ethernet cable connector. Refer to the LightStream 1010 ATM Switch User Guide for more

information.

2. This LED is located to the right of the Ethernet cable connector. Refer to the LightStream 1010 ATM Switch User Guide for more

information.

LED Description

Status The switch performs a series of self-tests and diagnostic tests.

If all the tests pass, the status LED is green.

If any test fails, the status LED is red.

During system boot or if the module is disabled, the LED is orange.

Fan Indicates whether or not the fan is operational.

If the fan is operational, the fan LED is green.

If the fan is not operational, the fan LED is red.

PS 0, left bay If the power supply is operational, the PS0 LED is green.

If the power supply is installed but not operational, the PS0 LED is red.

If the power supply is off or not installed, the PS0 LED is off.

PS 1, right bay If the power supply is operational, the PS1 LED is green.

If the power supply is installed but not operational, the PS1 LED is red.

If the power supply is not installed, the PS1 LED is off.

Link Green—The Ethernet port is operational.

Off—No signal is detected.

RX (Receive) Off—No signal received.

Flashing green—Ethernet packets being received: pulse rate increases with data rate.

TX (Transmit) Off—Not transmitting.

Flashing green—Ethernet packets being transmitted: pulse rate increases with data rate.

Slot 11Off—No signal detected.

On—Shows activity accessing the PCMCIA slot.

Slot 02Off—No signal detected.

On—Shows activity accessing the PCMCIA slot.

H5598

PS0

PS1

FAN

STATUS

LINK

Enet

RESET

ATM SWITCH/PROCESSOR

LightStream 1010 ATM Switch Processor Module Configuration Note 9

Preparing Network Connections

When preparing your site for network connections to the switch, you need to consider a number of

factors related to each type of interface:

•Type of cabling required for each type (ﬁber, twisted-pair, or coaxial cabling).

•Distance limitations for each signal type.

•Speciﬁc cables you need to connect each interface.

•Any additional interface equipment you need, such as transceivers, modems, channel service

units (CSUs), or data service units (DSUs). Before installing the switch, have all additional

external equipment and cables on hand. If you intend to build your own cables, refer to the cable

pinouts in the section “Installing the LightStream 1010 Switch” in the LightStream 1010 ATM

Switch User Guide publication. For ordering information, contact a customer service

representative.

Distance LimitationsThe length of your networks and the distances between connections depend on the type of signal,

the signal speed, and the transmission media (the type of cabling used to transmit the signals). For

example, ﬁber-optic cable has a greater channel capacity than twisted-pair cabling. The following

distance limits are provided as guidelines for planning your network connections before installation.

Serial Connections

Serial signals can travel a limited distance at any given bit rate; generally, the slower the baud rate,

the greater the distance. Table 5 shows the standard relationship between baud rate and distance for

EIA/TIA-232 signals.

Table 5 IEEE Standard EIA/TIA-232 Transmission Speed Versus Distance

Additional and Optional Connection Equipment

To install and conﬁgure the switch, you need a terminal with an EIA/TIA-232 data terminal

equipment (DTE) port and an EIA/TIA-232 data communications equipment (DCE) console cable

with DB-25 plugs at one end. You can detach the terminal (and cable) after the installation and

conﬁguration procedures are complete.

Rate (bps) Distance (feet) Distance (meters)

2400 200 60

4800 100 30

9600 50 15

19200 25 7.6

38400 12 3.7

56000 8.6 2.6

10 LightStream 1010 ATM Switch Processor Module Conﬁguration Note

Preparing Network Connections

Ethernet Connection Equipment

You need an Ethernet cable with RJ-45 male connectors (see Figure 8) between the Ethernet port

and the Ethernet network. See the ASP Ethernet RJ-45 connector information in the section “Enet

Port” in the chapter “LightStream 1010 ATM Switch Hardware” in the LightStream 1010 ATM

Switch User Guide.

Figure 8 Ethernet RJ-45 Interface Cable Connectors

EIA/TIA-232 Connections

EIA/TIA-232 supports unbalanced circuits at signal speeds up to 64 kbps. The ASP console

connection is a standard 25-pin D-shell connector (known as a DB-25) that is commonly used for

EIA/TIA-232 connections. Figure 9 shows the connectors at the local end of the adapter cable. The

system console port on the ASP EIA/TIA-232 connection supports only asynchronous connection.

Figure 9 EIA/TIA-232 Adapter Cable Connectors, Network End

Console Port Connection Equipment

The ASP contains an EIA/TIA-232 asynchronous console port (DB-25 receptacle).

When connecting a serial device, consider the cable as an extension of the switch for an external

connection; therefore, use null-modem cable to connect the switch to a remote DCE device such as

a modem or DSU. A straight-through cable to connect the switch to a DTE device such as a terminal

or PC.

Before you connect a terminal to the console port, conﬁgure the terminal to match the switch console

port, as follows:

•9600 baud

•8 data bits

•No parity

•1 stop bit

H1567a

RJ-45 (both ends)

H1343a

DTE

DCE

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