Cisco CSC-MEC Bedienungsanleitung

Doc. No.

Cisco Systems, Inc.

InstallingtheCSC-MECandCSC-C2MEC

MultiportEthernetControllerCards

78-0716-02

Product Numbers: CSC-MEC2=, CSC-MEC4=, CSC-MEC6=, CSC-C2MEC2=, CSC-C2MEC4=, and

CSC-C2MEC6=

This document provides the procedures for installing the ciscoBus multiport Ethernet controller

cards (CSC-MEC and CSC-C2MEC) in your AGS+ router. The CSC-MEC is compatible only with

the ﬁrst-generation ciscoBus controller card (CSC-CCTL); the CSC-C2MEC is compatible only

with the second-generation ciscoBus controller card (CSC-CCTL2). ciscoBus compatibility is

described in the section, “Conﬁguring the CSC-MEC and CSC-C2MEC Cards,” on page 9.

In the following sections, the terms CSC-MEC or MEC are used to indicate both cards unless

otherwise indicated. The CSC-MEC and CSC-C2MEC differ only by ﬁrmware version; the

CSC-C2MEC works only with the CSC-CCTL2. There are two hardware versions of the CSC-MEC:

Version 5.0 and Version 5.1. Version 5.1 CSC-MEC cards can be used as CSC-C2MEC cards (with

Microcode Version 10.0 or later), but Version 5.0 CSC-MEC cards cannot be used as CSC-C2MEC

cards.

The CSC-MEC card occupies a ciscoBus slot in the system card cage. Standard 15-pin or 10BaseT

Ethernet appliques, which are installed on connector plates in the rear of the chassis, provide the

interface between the CSC-MEC card and your 802.3/Ethernet Version 2 or Version 1 network.

The sections in this document include the following:

•Description of Parts, page 2

•Installation Prerequisites, page 7

•CSC-MEC Card, page 2

•Conﬁguring the CSC-MEC and CSC-C2MEC Cards, page 9

•ciscoBus Conﬁguration Considerations, page 10

•Installation, page 17

•Conﬁguring the Interfaces, page 26

With the exception of compatibility requirements and the LEDs used to verify the installation, the

procedures are the same for both the CSC-MEC (ﬁrst-generation ciscoBus) and CSC-C2MEC

(second-generation ciscoBus) cards.

2 Installing the CSC-MEC and CSC-C2MEC Multiport Ethernet Controller Cards

Description of Parts

The CSC-MEC card resides in the router system card cage. Each port on the CSC-MEC provides

one Ethernet interface and connects to an Ethernet applique in the back of the chassis with

internally-routed ribbon cables. Ethernet appliques are available in standard 15-pin attachment unit

interface (AUI) and RJ-45 unshielded twisted-pair (UTP) conﬁgurations. The 15-pin appliques

require an external media attachment unit (MAU) or Ethernet transceiver to complete the connection

between the router and your Ethernet network. The 10BaseT applique contains a built-in transceiver

and connects directly to a UTP network segment.

CSC-MEC Card The two-, four-, or six-port Multiport Ethernet Controller (CSC-MEC) card operates on the

high-speed ciscoBus backplane in the router. A 16-million-instructions-per-second (mips) bit-slice

processor on the card provides a high-speed data path between the CSC-MEC and other high-speed

interfaces on the ciscoBus, and enables switching rates of over 20,000 packets per second for both

bridging and routing. The CSC-MEC supports IEEE 802.3/Ethernet Version 2 speciﬁcations by

default, and it supports Version 1 when jumpers on the card are changed as described in the section

“Cables,” on page 5.

A six-port card (CSC-MEC6) is shown in Figure 1. Two-port (CSC-MEC2) and four-port

(CSC-MEC4) versions are also available. The card shown in Figure 1 is an MEC controller type 5.1,

card Revision E. Earlier versions of the card, MEC controller type 5.0 (card Revisions A through D)

are not compatible with the second-generation ciscoBus (CSC-CCTL2). Commands for displaying

the card revision (version) are described in the section “System Requirements,” on page 7.

Figure 1 CSC-(C2)MEC6 Controller Type 5.1

TheCSC-MECcardmustbeinstalledinarouterthatisrunningSystemSoftwareRelease8.3orlater

and that contains a CSC-CCTL ciscoBus controller card. The CSC-C2MEC must be installed in a

router that is running System Software Release 9.1 or later and that contains a CSC-CCTL2

ciscoBus controller card. Instructions for determining your current system software release and the

typeofciscoBuscontrollerinstalledareprovided inthesection “ciscoBus Controller Compatibility,”

on page 10.

H1530a

Ethernet connectors

LEDs (6)

W1 W2

W3 W4

W5 W6

U809

U808

U807

U806

U911

U910

U909

U908

U705

U707

U708

E0 E5

Version

jumpers

Microcode

EPROMs (11)

Installing the CSC-MEC and CSC-C2MEC Multiport Ethernet Controller Cards 3

Description of Parts

Ethernet Appliques

Ethernet appliques provide the external interfaces for CSC-MEC card ports. One or more appliques

are mounted on a connector plate, which is installed in the rear of the router. The 15-pin Ethernet

connector applique connects to a 10Base5 (thick -wire), 10Base2 (thin-wire), or 10BaseT (UTP)

network with the appropriate MAU or Ethernet transceiver. The 10BaseT applique connects to a

10BaseT network only and does not require an external transceiver. The following sections describe

the Ethernet appliques and some of the Ethernet transceivers you may need.

Ethernet 10BaseT The Ethernet 10BaseT applique (see Figure 2) combines an RJ-45 connector for direct connection

to an unshielded twisted-pair (UTP) network segment and a UTP transceiver. The 10BaseT applique

is compliant with IEEE 802.3. The pinout for the 10BaseT RJ-45 connector is listed in Table 1.

Figure 2 10BaseT Ethernet Transceiver Applique

Table 1 10BaseT RJ-45 Connector Pinout

Pin Signal Name

1 TD+

2 TD–

3 RD+

4 Not used

5 Not used

6 RD–

7 Not used

8 Not used

LINK

RCV

XMT

H1124a

4 Installing the CSC-MEC and CSC-C2MEC Multiport Ethernet Controller Cards

Description of Parts

Ethernet AUI The 15-pin Ethernet attachment unit interface (AUI) connector, shown in Figure 3, provides a

standard Ethernet IEEE/802.3 connection between a CSC-MEC card port and the external Ethernet

network. An Ethernet transceiver, which is required for use with this connector, provides the

connection to thick-wire, thin-wire, twisted-pair, and other Ethernet media. The Ethernet transceiver

either plugs directly into the 15-pin connector or is attached with an AUI interface cable. The pinouts

for the AUI cable and the 15-pin connector are listed in Table 2.

Figure 3 15-Pin AUI Ethernet Connector Applique

Table 2 Ethernet (AUI) Pinout

1. Not used.

Pin Circuit Description

3 DO-A Data Out Circuit A

10 DO-B Data Out Circuit B

11 DO-S Data Out Circuit Shield1

5 DI-A Data In Circuit A

12 DI-B Data In Circuit B

4 DI-S Data In Circuit Shield

7 CO-A Control Out Circuit A1

15 CO-B Control Out Circuit B1

8 CO-S Control Out Circuit Shield1

2 CI-A Control In Circuit A

9 CI-B Control In Circuit B

1 CI-S Control In Circuit Shield

6 VC Voltage Common

13 VP Voltage Plus

14 VS Voltage Shield1

Shell PG Protective Ground

Installing the CSC-MEC and CSC-C2MEC Multiport Ethernet Controller Cards 5

Description of Parts

Cables This section describes the Ethernet interface cables you may need to install between the router and

an Ethernet transceiver or MAU. It also provides cabling conﬁgurations to use with UTP networks.

AUI (Ethernet Transceiver) Cable

The standard 15-pin AUI Ethernet connectors require an external transceiver and, unless the

transceiver plugs directly into the router rear panel connector, also require an Ethernet transceiver

cable (or AUI cable) to connect the transceiver to the router. If you are building a transceiver cable,

refer to the pinout listed in Table 2.

Twisted-Pair Cabling

There are several types of twisted-pair cable. Unshielded twisted-pair (UTP) cable should be 26 to

22 American wire gauge (AWG)—0.4- to 0.6-millimeter (mm)—wire in a multiwire cable with

100-ohms impedance. The 802.3 speciﬁcation states that the maximum length of a 10BaseT link

segment is 100 meters or 328 feet of UTP wiring. Do not exceed these limits.

If you are not connected to a hub, and another 10BaseT transceiver applique is connected to the

opposite end of your link, the UTP cabling must be crossed as shown in Figure 4. The RD– and RD+

signals must be swapped with the TD– and TD+ signals. When the opposite end of your link is

connected to a hub, the hub performs this crossover function, so it is not necessary to cross the

cables.

Figure 4 Applique-to-Applique UTP Cable Diagram

TD+

TD-

RD+

Not used

RD-

Not used

Local applique

RJ-45 pins

TD+

TD-

RD+

Not used

RD-

Not used

Opposite applique

RJ-45 pins

H1117a

6 Installing the CSC-MEC and CSC-C2MEC Multiport Ethernet Controller Cards

Description of Parts

Ethernet Transceivers

When using a standard 15-pin AUI Ethernet connector, you need an Ethernet transceiver or media

attachment unit (MAU) to connect the router to the Ethernet network. Several types of single- and

multiport transceivers are available. The type you use depends on the type of cabling your Ethernet

network uses: thick-wire (10Base5), thin-wire (10Base2), or unshielded twisted-pair (10BaseT).

Some single-port transceivers attach directly to the 15-pin connector on the applique; others, such

as multiport transceivers for connecting multiple Ethernet interfaces to a network, require interface

cables. Figure 5 shows examples of different types of transceivers and installations.

Figure 5 Ethernet Transceivers

BNC connectors to thin-wire or

thick-wire Ethernet network

Ethernet XCVR

15-pin AUI

connector

Transceiver

cable

To Ethernet port

To 10BaseT

Ethernet network

UTP cable

RJ-45

connector

15-pin AUI connector

Attaches directly to Ethernet

port or to the transceiver cable

Multiport transceiver

H1979

Transceiver cable

15-pin AUI connector

To Ethernet port

Installing the CSC-MEC and CSC-C2MEC Multiport Ethernet Controller Cards 7

Installation Prerequisites

Before installing the CSC-MEC card or appliques, ensure that your existing system components

meet the compatibility requirements described in this section, and that you have the necessary parts

and tools you will need to perform the installation without interruption.

System Requirements

The router in which you will install the components must meet the following physical requirements:

•Your router is an AGS+ model with a CSC/3 or CSC/4 processor card.

•A ciscoBus controller card (CSC-CCTL or CSC-CCTL2) is installed in the center ciscoBus slot.

•There is at least one ciscoBus slot available for each CSC-MEC card you will install.

•The total power drawn by the system will not exceed the maximum power budget after the new

card is installed. (See the section “Chassis Power Budget,” on page 14.)

•Your site has an Ethernet transceiver, if required, and the appropriate network interface wiring

(10Base2, 10Base5, or 10BaseT) in place and available at the rear panel of the router.

•If you are reinstalling a repaired or modiﬁed controller type 5.0 (Revision D or earlier)

CSC-MEC card, the ciscoBus controller (CSC-CCTL) ﬁrmware version must be earlier than

10.0 (ﬁrst-generation ciscoBus).

•If you are installing a 10BaseT applique, CSC-MEC jumpers (W1 through W6) for the ports to

be connected to the applique are set for IEEE 802.3 Ethernet Version 2.

In addition to the physical requirements, your system must also meet the following software

requirements, depending upon the type of interface card (CSC-MEC or CSC-C2MEC) you are

installing:

•If you are installing a CSC-MEC (ﬁrst-generation ciscoBus interface) card ensure the following:

—The system software is Release 8.3 or later

—The ciscoBus controller is a CSC-CCTL (controller type 3.0 or later)

—All ciscoBus interface cards are running microcode versions earlier than 10.0

•If you are installing a CSC-C2MEC (second-generation ciscoBus interface) card ensure that:

—The system software is Release 9.1 or later.

—The ciscoBus controller is a second-generation CSC-CCTL2 (controller type 6.0).

—All ciscoBus interface cards are running Microcode Version 10.0 or later.

•The microcode on all Multibus cards and the CSC-ENVM is compatible with the system

software currently in the chassis or the version you are installing. Microcode compatibility

requirements are described in “Compatibility with Other Cards,” on page 15.

You can display the type of processor card (CSC/3 or CSC/4) installed and the current software

release with the EXEC command show version. The current system software release is displayed in

the ﬁrst line of the output; the processor card information is displayed on the eighth line; followed

by a list of the installed interface cards.

8 Installing the CSC-MEC and CSC-C2MEC Multiport Ethernet Controller Cards

Installation Prerequisites

A sample of the show version command display, which shows a system running Software

Release 9.1(1), follows:

router# show version

GS Software (GS3), Version 9.1(1)

Compiled Wed 29-Jul-92 17:02

System Bootstrap, Version 4.5(0.5)

router uptime is 22 days, 12 hours, 23 minutes

System restarted by power-on

System image file is "router-system", booted via tftp from 131.108.1.111

CSC4 (68040) processor with 16384K bytes of memory.

X.25 software.

Bridging software.

1 MCI controller (2 Ethernet, 0 Serial).

1 cBus controller.

1 MEC controller (6 Ethernet).

Environmental Controller.

(text omitted)

You can display a description of the current ciscoBus controller and interface cards with the EXEC

command show controller cbus. The ciscoBus controller type is displayed, followed by

descriptions of each ciscoBus interface card, the slot in which it is installed, the controller type, and

the microcode version. The following example display shows a ﬁrst-generation ciscoBus controller

(CSC-CCTL), which is a controller type 3.0. The MEC interface listed in the display is a controller

type 5.1 installed in ciscoBus slot 3.

router# show cont cbus

cBus 1, controller type 3.0, microcode version 3.0

128 Kbytes of main memory, 32 Kbytes cache memory

(text omitted)

FDDI 0, controller type 4.1, microcode version 2.0

Interface 0 - Fddi0, station address 0000.0c01.7bbd (bia 0000.0c01.7bbd)

(text omitted)

MEC 3, controller type 5.1, microcode version 2.4

Interface 18 - Ethernet2, station address 0000.0c02.a03c

(text omitted)

The following example display shows a second-generation ciscoBus controller (CSC-CCTL2),

which is a controller type 6.0. The MEC interface shown in the display is also a controller type 5.1,

but the microcode version of all ciscoBus interface cards is 10.1.

router# show cont cbus

cBus 1, controller type 6.0, microcode version 10.0

512 Kbytes of main memory, 128 Kbytes cache memory

(text omitted)

FDDI-T 0, controller type 7.1, microcode version 10.1

Interface 0 - Fddi0, station address 0000.0c02.6aa3

(text omitted)

MEC 3, controller type 5.1, microcode version 10.1

Interface 10 - Ethernet2, station address 0000.0c02.61b7

(text omitted)

For descriptions of ﬁelds and additional commands, refer to the router products conﬁguration

publication. If your system does not meet these requirements, contact a customer service

representative for upgrade information.

Installing the CSC-MEC and CSC-C2MEC Multiport Ethernet Controller Cards 9

Installation Prerequisites

Conﬁguring the CSC-MEC and CSC-C2MEC Cards

Figure 6 shows the appropriate jumper settings (jumpers W1 through W6) to use when you attach

Ethernet Version 1 cables to the Ethernet connector. Jumper settings shown in Figure 6 are factory

defaults. Figure 7 shows the appropriate jumper settings to use when you attach Ethernet Version 2

and IEEE 802.3 cables. The explanation for the Ethernet jumper settings follows.

Figure 6 Jumper Settings for Ethernet Version 1

Figure 7 Jumper Settings for Ethernet Version 2 and IEEE 802.3

Jumpers on pin sets W1 through W6 set the electrical speciﬁcations for the Ethernet transceiver

connection. Each jumper is moved over one pin (compare the jumpers in Figure 6 and

Figure 7) to change the electrical speciﬁcations of its corresponding connector (W1 for E0, and so

forth). Pin set W1 corresponds to the far left connector (E0), using the orientation in Figure 6 or

Figure 7 (facing the component side of the card with the connectors at the bottom). Each connector

corresponds consecutively to a pin set.

H1099a

Ethernet connectors

LEDs

W1 W2

W3 W4

W5 W6

E0 E5

H1210a

W1 W2

W3 W4

W5 W6

Ethernet connectors

LEDs

E0 E5

10 Installing the CSC-MEC and CSC-C2MEC Multiport Ethernet Controller Cards

Installation Prerequisites

ciscoBus Conﬁguration Considerations

Before installing the CSC-MEC in the card cage, ensure that you have the correct type of ciscoBus

controller installed (CSC-CCTL or CSC-CCTL2) and that the ciscoBus interface cards will be

placed in the correct slots per the slot priority requirements described in “Slot Priority,” on page 11.

ciscoBus Controller Compatibility

AllciscoBusinterfacecards, which are listed in Table3,containcard-speciﬁcﬁrmware(microcode),

which determines whether the card is compatible with the ﬁrst- or second-generation ciscoBus

controller, as follows:

•ciscoBus cards with microcode versions earlier than 10.0 are compatible only with the

ﬁrst-generation ciscoBus controller (CSC-CCTL, controller type 3.0).

•ciscoBus cards with Microcode Version 10.0 or later are compatible only with the

second-generation ciscoBus controller (CSC-CCTL2, controller type 6.0).

•The CSC-C2CTR and CSC-C2FCIT are compatible only with the CSC-CCTL2. The initial

release of both cards contains Microcode Version 10.0.

The C2 designator added to the name of a ciscoBus interface card indicates that the card is running

Microcode Version 10.0 or later and is, therefore, compatible with the CSC-CCTL2. With the

exception of a revision 5.0 CSC-MEC card (see “Note” following), the ﬁrst- and second-generation

ciscoBus interface cards are otherwise the same. For example, you can upgrade a Revision 5.1

CSC-MEC to a CSC-C2MEC by replacing the microcode with Version 10.0 or later. When you

upgrade the microcode on the CSC-MEC card to Version 10.0, the name of the card also changes

from CSC-MEC to CSC-C2MEC to indicate that it is CCTL2-compatible. When you replace a

CSC-CCTL ciscoBus controller with a CSC-CCTL2 ciscoBus controller, you must upgrade the

microcode on all ciscoBus interface cards to Microcode Version 10.0 or later and replace the

CSC-CCTL with a CSC-CCTL2.

Note Only Revision 5.1 or later CSC-MEC cards can be upgraded to a CSC-C2MEC. If you have

a Revision 5.0 CSC-MEC, contact a customer service representative.

You can display a description of the current ciscoBus controller and ciscoBus interface cards with

the EXEC command show controller cbus, an example of which is described on page 8.

Table 3 ciscoBus Interface Card Compatibility Requirements

1. The C2 designator indicates that these cards are compatible with the CSC-CCTL2 ciscoBus

controller card. The CSC-C2CTR and CSC-C2FCIT cards are shipped (by default) with

Microcode Version 10.0 or later.

2. Only CSC-MEC card revision 5.1 or later is compatible with the CSC-CCTL2

CCTL Controller CCTL2 Controller Description

CSC-CCTL CSC-CCTL2 ciscoBus controller

CSC-FCI CSC-C2FCI1Fiber Distributed Data Interface (FDDI)

– CSC-C2FCIT FDDI with translational bridging

CSC-HSCI CSC-C2HSCI High-Speed Serial Interface (HSSI)

– CSC-C2CTR ciscoBus Token Ring interface, 4/16Mbps

CSC-MEC CSC-C2MEC2Multiport Ethernet Controller interface

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