Cisco CSC-C2FCIT Manuale di istruzioni

Doc. No.

Cisco Systems, Inc.

Installing and Upgrading the

CSC-C2FCIT FDDI Card and Appliques

78-0946-08

Product Numbers:

CSC-C2FCIT=

APP-LMM=

APP-LMS=

APP-LSM=

APP-LSS=

MC-C2FCIT-V10.3=

This publication provides instructions for installing the Fiber Distributed Data Interface (FDDI)

modules in the AGS+ router. These modules include the FDDI interface card with translational

bridging (CSC-C2FCIT) and the four available ﬁber-optic transceiver appliques, which provide

single-mode and/or multimode network interfaces. The C2FCIT card operates with the second-

generation ciscoBus card (CSC-CCTL2).

This publication also includes instructions for upgrading the C2FCIT microcode when required.

The sections following are included in this publication:

•FDDI Module Overview, page 2

•Installation Prerequisites, page 7

•Installing Cards and Appliques, page 14

•Testing the Installation, page 23

•Upgrading Microcode, page 28

Note The procedures in the section “Testing the Installation” assume that your system has been

operating correctly up until the time you performed this installation or upgrade, and that any

problems are a result of this procedure.

2 Installing and Upgrading the CSC-C2FCIT FDDI Card and Appliques

FDDI Module Overview

If you encounter a new problem and determine that it is not the result of this installation or upgrade,

refer to the AGS+ Hardware Installation and Maintenance publication for initial system startup

troubleshooting procedures, or to the Troubleshooting Internetworking Systems publication for

additional suggestions for resolving the problem.

FDDI Module Overview

The FDDI interface modules described in this document include the single-port FDDI

communications interface card with translational bridging (CSC-C2FCIT) and the four available

ﬁber-optic transceiver appliques. While incorporating all of the functions of the C2FCI card, the

C2FCIT card provides higher speeds than the C2FCI card as well as the following translational

bridging capabilities: FDDI to FDDI (transparent), FDDI to Ethernet, and FDDI to Token Ring.

Note Using the translational bridging feature with the C2FCIT card requires Software Release 9.1

(or later) bridging software on the processor card. Both the C2FCIT and CCTL2 cards must have

Microcode Version 10.0 or later.

The C2FCIT card must be installed in an AGS+ router that is running Software Release 9.1 or later

and that contains a CSC/3 or CSC/4 processor card. The router must also contain a

ciscoBus2 (CSC-CCTL2) card (which is indicated by C2 in the product number).

C2FCIT cards can be installed in any of the four available ciscoBus slots in the system card cage. A

maximum of four C2FCIT cards is allowed in the AGS+, with one FDDI applique per C2FCIT card.

The FDDI appliques are installed in the rear of the chassis in an applique card cage (Product

Number MAS-CCG).

C2FCIT Card The C2FCIT card (see Figure 1) is one of the two AGS+ FDDI interfaces for both single-mode and

multimode network interfaces. (The other FDDI interface card is the CSC-C2FCI.) The C2FCIT

card is connected to the ciscoBus and Multibus backplanes in the AGS+ router.

The CCTL2 card is backward compatible with the FCI, HSCI/Ultra, and MEC cards, providing all

have Microcode Version 10.0 or later, and the system is running Software Release 9.1 or later. An

FCI, HSCI, or MEC card with Microcode Version 10.0 or later will include in its name C2 (C2FCI,

C2HSCI/Ultra, and C2MEC),which indicates that the card has Microcode Version 10.0 or later and

can be used with the CCTL2 ciscoBus card.

Installing and Upgrading the CSC-C2FCIT FDDI Card and Appliques 3

FDDI Module Overview

Figure 1 CSC-C2FCIT (FDDI) Card—Component-Side View

FDDI Connections

The distance limitations for single-mode and multimode FDDI stations are listed in Table 1. Both

FDDI modes provide 11 decibels (dB) of optical power.

Table 1 FDDI Maximum Transmission Distances

FDDI Appliques The ﬁber-optic transceivers reside on circuit cards called appliques that provide the interface

between external network connections and the internal CSC-FCI card. The four applique

conﬁgurationsareshowninFigures2through5;eachprovidesauniquecombinationofsingle-mode

and/or multimode FDDI interfaces.

Following are the four FDDI applique mode combinations:

•PHY-A multimode, PHY-B multimode (APP-LMM), Figure 2

•PHY-A multimode, PHY-B single mode (APP-LMS), Figure 3

•PHY-A single mode, PHY-B multimode (APP-LSM), Figure 4

•PHY-A single mode, PHY-B single mode (APP-LSS), Figure 5

Both the single-mode and multimode transceivers provide a Class A dual attachment interface that

can be connected to either a Class A or Class B station. Class A is a dual attachment station (DAS)

with primary and secondary rings; Class B is a single attachment station (SAS) with only a primary

ring.

Transceiver

Type Maximum Distance Between

Stations

Single-mode Up to 6.2 mi (10 km)

Multimode Up to 1.2 mi (2 km)

U32

Microcode

EPROM

Serial 

PROM

U34

H1540a

FDDI A, E, I, M FDDI B, F, J, N FDDI C, G, K, O FDDI D, H, L, P

4 Installing and Upgrading the CSC-C2FCIT FDDI Card and Appliques

FDDI Module Overview

The single-mode transceiver provides connectivity to single-mode FDDI ﬁber for distances up to

6.2 miles (10 kilometers). The connector is a simplex FC-type interface that accepts standard

8.2 to 10/125 micron ( 0.5) single-mode ﬁber-optic cable.

The multimode connectors are FDDI-standard physical (PMD) connectors. The connectors accept

FDDI standard 62.5/125 micron multimode ﬁber-optic cable using the media interface connector

(MIC). The MIC can also accept alternate cable sizes, such as 50, 85, or 100-micron multimode

ﬁber. Use care when using alternate ﬁber sizes, to avoid violating optical power budget restrictions.

The multimode/multimode applique also provides a DIN port for connecting an optional optical

bypass switch, which allows the light signal to pass directly from the receive port to the transmit

port. When this optical bypass is used, the signal is not repeated, and signiﬁcant signal loss may

occur when transmitting to stations at maximum distances.

Figure 2 Multimode/Multimode—APP-LMM

ENDEC

EDS

ENDEC

EDS

PHY-A

PHY-B

16-pin DIN connector

LEDs

H1182a

Cables to FDDI 

controller card

A

N

O

D

RING A

RING B

Faceplate Component side view

Installing and Upgrading the CSC-C2FCIT FDDI Card and Appliques 5

FDDI Module Overview

Figure 3 Multimode/Single Mode—APP-LMS

Figure 4 Single Mode/Multimode—APP-LSM

ENDEC

EDS

ENDEC

EDS

PHY-B

LEDs

H1183a

Cables to FDDI 

controller card

A

Faceplate Component side view

PHY-A

X

M

R

C

H

A

N

AP4

ENDEC

EDS

ENDEC

EDS

PHY-B

LEDs

H1184a

Cables to FDDI 

controller card

A

Faceplate Component side view

X

M

T

R

C

V

C

H

A

N

PHY-A

6 Installing and Upgrading the CSC-C2FCIT FDDI Card and Appliques

FDDI Module Overview

Figure 5 Single Mode/Single Mode—APP-LSS

FDDI Connectors

Following are the connectors typically used with single-mode and multimode FDDI applications.

Single-mode Figure 6 shows the ﬁber-optic network interface cable FC-type connector typically used for

single-mode FDDI applications with the APP-LSS, APP-LSM, and APP-LMS FDDI appliques.

Figure 6 Single-Mode FDDI Network and Chassis Connector

Warning Invisible laser radiation may be emitted from the aperture ports of the single-mode FDDI

products when no ﬁber cable is connected. Avoid exposure and do not stare into open apertures.

This product meets the Class 1 Laser Emission Requirement from CDRH FDDI.

ENDEC

EDS

ENDEC

EDS

PHY-B

LEDs

H1185a

Cables to FDDI 

controller card

A

PHY-A

Face plate Component side view

X

M

T

R

C

V

X

M

T

R

C

V

H1348a

Installing and Upgrading the CSC-C2FCIT FDDI Card and Appliques 7

Installation Prerequisites

Multimode Figure 7 shows the ﬁber-optic MIC used for network and chassis connections with the APP-LMM,

APP-LMS, and APP-LSM FDDI appliques.

Figure 7 Multimode MIC for Network and Chassis Connections

Installation Prerequisites

Following are safety guidelines, system conﬁguration and compatibility requirements, and lists of

the parts and tools required for installation. Before installing any FDDI cards or appliques, review

this section to ensure that you can perform the installation or upgrade without interruption.

Safety Follow these guidelines when working with any electrical equipment:

•Before beginning any procedures requiring access to the chassis interior, turn OFF the system

power and disconnect the power cord.

•Never assume that power has been disconnected from a circuit; always check.

•Do not work alone when a potentially hazardous condition exists.

•Do not perform any action that creates a potential hazard to people or makes the equipment

unsafe.

•Carefully examine your work area for possible hazards such as moist ﬂoors, ungrounded wiring

or power cables, and missing safety grounds.

In addition, use the guidelines that follow when working with any equipment that is connected to

telephone wiring or other network cabling.

•Never install telephone wiring during a lightning storm.

•Never install telephone jacks in wet locations unless the jack is speciﬁcally designed for wet

locations.

•Never touch uninsulated telephone wires or terminals unless the telephone line has been

disconnected at the network interface.

•Use caution when installing or modifying telephone lines.

Warning Invisible laser radiation may be emitted from the aperture ports of the single-mode

appliques when no ﬁber cable is connected. Avoid exposure and do not stare into open apertures.

This product meets the Class 1 Laser Emission Requirement from CDRH FDDI.

H1349a

8 Installing and Upgrading the CSC-C2FCIT FDDI Card and Appliques

Installation Prerequisites

System Compatibility

Followingarethephysicalrequirementsandlimitationsthat you must consider before installing new

FDDI components in your system. For example, to obtain optimum performance, you must ensure

that the new components are compatible with the existing system conﬁguration and that you place

interface cards in the proper card-cage slots.

Your AGS+ must meet the following general compatibility requirements before you install a

C2FCIT card and associated appliques:

•Your AGS+ has a CSC/3 (or later) processor card running Software Release 9.1 or later.

•An applique card cage (Product Number MAS-CCG) is installed in the chassis with at least one

empty slot available, or you received a new card cage in which the FDDI applique is already

installed.

•The currently installed ciscoBus cards meet the rules provided in the section “Slot Priority” on

page 9.

•You have a second-generation ciscoBus card (CSC- CCTL2) installed; the ﬁrst-generation

ciscoBus (CCTL) card is not compatible with the C2FCIT card.

•Your C2FCIT and CCTL2 cards must have Microcode Version 10.0 or later.

•Use the show version command to verify the type of processor card and software release and the

show controller cbus command to verify the microcode versions.

•Your site must have the appropriate network interface wiring with which you will connect the

router to your FDDI ring(s).

•To operate with the CCTL2 card, all other ciscoBus cards in the AGS+ must have Microcode

Version 10.0 or later (C2FCI, C2HSCI, and C2MEC, and so forth).

•The power budget of your chassis will not be exceeded by adding more C2FCIT cards. Current

draw for the C2FCIT and applique is 6.9A (7.7A with any trafﬁc), and the power dissipation is

36W.

•Microcode upgrades—If you are upgrading to C2FCIT Microcode Version 10.3, your system

software must be Software Release 9.1(1) or later. For additional information, refer to the section

“Upgrading Microcode” on page 28.

Note If your current system conﬁguration does not meet all of the above requirements, contact a

customer service representative for information on hardware and software upgrades.

Preventing Electrostatic Discharge Damage

Electrostatic discharge (ESD) is a discharge of stored static electricity that can damage equipment

andimpairelectricalcircuitry.Itoccurswhenelectroniccomponentsareimproperlyhandledandcan

result in complete or intermittent failures.

Following are guidelines for preventing ESD damage:

•Before you open a chassis, ensure that power to the unit is turned off, but that the power cord is

connected to the wall receptacle. Having the power cord connected will ensure a ground path for

any ESD voltages.

•Always use an ESD-preventive wrist strap or ankle strap and ensure that it makes good skin

contact.

Installing and Upgrading the CSC-C2FCIT FDDI Card and Appliques 9

Installation Prerequisites

•Connect the equipment end of the strap to an unpainted surface of the chassis frame or another

proper grounding point or surface. We recommend that you attach it to the inside bottom of the

chassis, or to the rear panel (inside or outside), without making contact with any connectors or

appliques.

•Avoidcontactbetween equipment and clothing. Thewrist strap only protectsthe equipment from

ESD voltages on the body; ESD voltages on clothing can still cause damage.

•Handle printed circuit cards and appliques by the edges only; avoid touching the components,

traces, or any connector pins.

•Place a removed card component-side-up on an antistatic surface or in a static shielding bag. If

the component will be returned to the factory, immediately place it in a static shielding bag.

•Do not remove the wrist strap until the installation is complete.

Caution For safety, periodically check the resistance value of the antistatic strap. The

measurement should be between 1 and 10 mega ohms.

Slot Priority The AGS+ card cage, shown in Figure 8, has nine slots, ﬁve of which are designated ciscoBus slots.

The center ciscoBus slot is reserved for the ciscoBus card, leaving four ciscoBus slots available for

ciscoBus interface cards.

Figure 8 AGS+ Card Cage and Backplanes—Front View

Note The ciscoBus currently supports a maximum of four C2FCIT cards.

The AGS+ uses a slot priority scheme that assigns a priority to each ciscoBus card according to the

ciscoBus slot in which the card resides. The card in ciscoBus slot 0 receives the highest ciscoBus

priority, while the card in ciscoBus slot 3 receives the lowest ciscoBus priority.

Environmental monitor card

Processor card

Multibus interface card

Multibus or ciscoBus interface card

Multibus interface or ciscoBus controller card

Multibus or ciscoBus interface card

ciscoBus 

slots

Multibus

slots

H2675

10 Installing and Upgrading the CSC-C2FCIT FDDI Card and Appliques

Installation Prerequisites

Slot priorities are set to accommodate the amount of trafﬁc generated by each interface card and the

amount of card buffering required. Each ciscoBus interface card is placed in a speciﬁc slot with

regard to other ciscoBus interface cards, if any. The order of priority is the same for both ﬁrst- and

second-generation ciscoBus cards, except that the cards with the designation C2 can only be used

with the CSC-CCTL2.

Following is a list of ciscoBus interface cards in order of priority, from highest to lowest:

1CSC-MEC and C2MEC (10 megabits per second [Mbps])

2CSC-C2CTR (16 Mbps)

3CSC-HSCI and C2HSCI with an APP-LHS applique (High-Speed Serial Interface) (45 through

52 Mbps)

4CSC-FCI and C2FCI (100 Mbps)

5CSC-C2FCIT (100 Mbps)

6CSC-HSCI and C2HSCI with an APP-ULA applique (UltraNet interface) (125 Mbps)

Install CSC-MEC or C2MEC cards in the lowest-numbered slots, beginning with slot 0 (which has

the highest priority), followed by CSC-C2CTR cards. After all CSC-MEC and CSC-C2CTR cards

are installed, install CSC-HSCI and C2HSCI cards with the APP-LHS applique in the

lowest-numbered slots available. Follow with the CSC-FCI and C2FCI cards. Next, install

CSC-C2FCIT cards. Last, install the CSC-HSCI and C2HSCI cards with the APP-ULA (UltraNet)

applique. Always install cards in the lowest-numbered available slot. For example, if you are using

only CSC-C2HSCI cards (with APP-ULA), place the ﬁrst in slot 0, the second in slot 1, and so forth.

Table 2 lists the maximum port and card conﬁgurations for all of the ciscoBus cards currently

available. Use this table as a guide when installing new ciscoBus cards and reconﬁguring your

AGS+.

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