Cisco CX-TRIP2 Manual del operador

Customer Order Number:

Cisco Systems, Inc.

Documentation Part Number:

Token Ring Interface Processor (TRIP)

Installation and Conﬁguration

Product Numbers: CX-TRIP2 and CX-TRIP4

This document provides instructions for installing the Token Ring interface processor (TRIP) in your

Cisco 7000 and Cisco 7500 series routers. The TRIP provides two or four IEEE 802.5 Token Ring

network interfaces.

The sections in this document include the following:

•Product Description, page 2

•Installation Prerequisites, page 11

•Installation, page 16

•Checking the Installation, page 19

•Conﬁguring the Interfaces, page 20

•Checking the Conﬁguration, page 24

•Upgrading Microcode, page 25

•Cisco Information Online, page 28

Before beginning the installation, read this entire document to ensure that you have all the necessary

tools and equipment and that you have the correct modules for your system conﬁguration.

DOC-781065=

78-1065-03

2Token Ring Interface Processor (TRIP) Installation and Conﬁguration

Product Description

This section contains a detailed description of the Token Ring interface processor (TRIP). The TRIP,

shown in Figure 1, provides two or four Token Ring ports for interconnection with IEEE 802.5 and

IBM Token Ring media. The TRIP uses the IBM 16/4-Mbps chipset with an imbedded performance

enhanced interface driver and 16.7 MHz bit slice processor for high speed processing. The speed on

each port is set independently with a software command for either 4 or 16 Mbps. The TRIP ﬁrmware

(microcode), which contains card-speciﬁc software instructions, resides in a ROM in socket U41.

You may need to replace this component in the future to enable new features or enhancements (if so,

replacement instructions will be provided with the replacement component in an upgrade kit). The

TRIP and all other interface processors support online insertion and removal (OIR), which allows

you to remove and install a TRIP while the system is operating, without shutting down system

power.

Figure 1 Token Ring Interface Processor (TRIP)

Note The interface processor metal carrier contains the printed circuit board for the TRIP. To

prevent electrostatic damage (ESD), we recommend that you never remove or separate the printed

circuit board from the metal carrier.

Interface processor slots are accessed from the rear of the chassis. The TRIP can be installed in any

available interface processor slot. Each port on the TRIP requires a media access unit (MAU) to

connect the DE-9TRIP connectors to the external Token Ring networks.

TRIP LEDs The enabled LED light on the TRIP lights to indicate the following status of the TRIP:

•Enabled for operation

•Correctly connected to the backplane

•Receiving power

•Contains a valid microcode version

If any of these conditions is not met, or if the initialization fails for other reasons, the Enabled LED

does not light.

H2006

U41,

microcode ROM

Enabled

0123

16Mbps

4Mbps

IN RING

Token Ring Interface Processor (TRIP) Installation and Configuration 3

Product Description

When a Token Ring interface is conﬁgured by using software commands, three LEDs for each port

indicate the following:

•16 Mbps—Lights if the interface is operating at 16 Mbps.

•4 Mbps—Lights if the interface is operating at 4 Mbps.

•In Ring—When lit, indicates that the interface is currently active and inserted into the ring. When

not lit, the interface is not active and is not inserted into a ring.

Token Ring Connection Equipment

You will need an 802.5 MAU or a multistation access unit (MSAU) to provide the interface between

the TRIP Token Ring interfaces and the external ring, and a Token Ring lobe cable between each

TRIP port and the MAU or MSAU. Lobe cables connect each Token Ring station (TRIP port) to the

MAU or MSAU, and patch cables can connect adjacent MSAUs to form one large ring.

TRIP ports operate at either 4 or 16 Mbps. The default speed for all TRIP ports is 4 Mbps, which

you can change to 16 Mbps on any port using the conﬁguration command ring-speed n, where nis

the speed (4 or 16) in Mbps. The speed of each Token Ring port must match the speed of the ring to

which it is connected. Before you enable the Token Ring interfaces, ensure that each is set for the

correct speed, or it can bring down the ring.

Caution Each TRIP port must be conﬁgured for the same ring speed as the ring to which it is

connected, either 4 or 16 Mbps. If the port is set for a different speed, it will cause the ring to beacon,

which effectively brings the ring down and makes it inoperable.

Token Ring Cables and Connectors

The Token Ring ports on the TRIP are DB-9 (PC type) receptacles that require Type 1 or Type 3 lobe

cables. Type 1 lobe cables use shielded twisted pair cable and terminate at the network end with a

large MAU plug. (See Figure 2.) Type 3 lobe cables use either shielded or unshielded twisted pair

(UTP) cable and terminate at the network end with an RJ-11 plug. (See Figure 2.) The TRIP end of

both cable types is a DB-9 plug.

Figure 2 Token Ring Type 1 Lobe Cable Connectors, DB-9 and MAU Types

H2056

TRIP end

MSAU or

MAU end

4Token Ring Interface Processor (TRIP) Installation and Conﬁguration

Product Description

Figure 3 Token Ring Type 3 Lobe Cable Connectors, DB-9 and RJ-11 Types

Token Ring Physical Connections

The term Token Ring refers to both IBM’s Token Ring Network, which IBM developed in the 1970s,

and to IEEE 802.5 networks. The IEEE 802.5 speciﬁcation was modeled after, and still closely

shadows, IBM’s network. The two types are compatible, although the speciﬁcations differ slightly.

Token Ring and IEEE 802.5 are token passing networks, which move a small frame, called a token,

around the network. Possession of the token grants the right to transmit; a station with information

to transmit must wait until it detects a free token passing by.

The IBM Token Ring speciﬁes a star topology, with all end stations connected through a device

called a multistation access unit (MSAU). IEEE 802.5 does not specify any topology, although most

implementations are based on a star conﬁguration with end stations attached to a device called a

media access unit (MAU). Also, IBM Token Ring speciﬁes twisted-pair cabling, whereas IEEE

802.5 does not specify media type. Most Token Ring networks use shielded twisted-pair cabling;

however, some networks that operate at 4 Mbps use unshielded twisted-pair cable. Table 1 shows a

comparison of the two types.

Table 1 IBM Token Ring and IEEE 802.5 Comparison

Network Type Data Rates Stations/ Segment Topology Media Signaling Access

Method Encoding

IBM Token Ring

network 4, 16 Mbps 260 shielded twisted-pair

72 unshielded twisted-pair Star Twisted

pair Baseband Token passing Differential

Manchester

IEEE 802.5 network 4, 16 Mbps 250 Not

speciﬁed Not

speciﬁed Baseband Token passing Differential

Manchester

H2055

TRIP end

MAU end

Token Ring Interface Processor (TRIP) Installation and Configuration 5

Product Description

In the typical Token Ring network shown in Figure 4, lobe cables connect each Token Ring station

(TRIP port) to the MSAU (or MAU), and patch cables connect adjacent MSAUs (or MAUs) to form

one large ring.

Figure 4 Token Ring Network Physical Connections

All TRIP ports support both 4- and 16-Mbps operation and early token release. The default for all

ports is for 4 Mbps operation and early token release disabled. Both states are enabled with

conﬁguration commands in the conﬁguration mode. To enable 16 Mbps, specify the slot/port

address and use the conﬁguration command ring-speed 16; to return to 4 Mbps operation, use the

command ring-speed 4. To enable and disable early token release, specify the slot/port address and

use the conﬁguration command [no]early token release. For complete descriptions and examples

of software commands, refer to the related software conﬁguration documentation.

Ring

in12345678

Ring

out

Stations

Ring

in12345678

Ring

out

Stations

MAU or MSAU

Ring

in12345678

Ring

out

Stations

Ring

in12345678

Ring

out

Stations

Lobe

cables

Patch

cables

H2058

MAU or MSAU

6Token Ring Interface Processor (TRIP) Installation and Conﬁguration

Product Description

What is the Cisco 7000 Series?

Network interfaces reside on modular interface processors, which provide a direct connection

between your external network and the high speed Cisco Extended Bus (CxBus) in the Cisco 7000

series routers, and the CyBus in the Cisco 7500 series routers.

Figure 5 and Figure 6 show the rear of the Cisco 7000 series routers: the seven-slot Cisco 7000 and

the ﬁve-slot Cisco 7010. Access to the processor slots and the removable power supplies is from the

rear, as shown. Two slots are reserved for the Route Processor (RP), which contains the system

processor, and the Switch Processor (SP) (or Silicon Switch Processor [SSP]), which performs

packetswitchingfunctions. The remainingslots support anycombinationofnetworkinterfacetypes:

channel attachment, serial, Ethernet, Fast Ethernet, multichannel interface, Token Ring, Fiber

Distributed Data Interface (FDDI), or High-Speed Serial Interface (HSSI).

Figure 5 Cisco 7000, Interface Processor End

H2358

Slot 0 123 4 SP

SSP

slot

Upper

power supply

Lower

power supply

DC FAIL

AC POWER

DC FAIL

AC POWER

Captive

installation screw

Captive

installation screw

Token Ring Interface Processor (TRIP) Installation and Configuration 7

Product Description

Figure 6 Cisco 7010, Interface Processor End

H2359

RP slot

SP or SSP slot

Interface processor slot 1

DC OK LED

Power switch

Chassis ground

screw

Power receptacle

Interface processor slot 2

Interface processor slot 0

AC-input power supply

8Token Ring Interface Processor (TRIP) Installation and Conﬁguration

Product Description

What is the Cisco 7500 Series?

The Cisco 7500 series consists of three router models: the Cisco 7505, the Cisco 7507, and the Cisco

7513. All three models provide high reliability, availability, serviceability, and performance. The

three systems support multiprotocol, multimedia routing, and bridging with a wide variety of

protocols and any combination of Ethernet, Fast Ethernet, Token Ring, Fiber Distributed Data

Interface (FDDI), serial, multichannel, channel attachment, and High-Speed Serial Interface (HSSI)

media. Network interfaces reside on modular interface processors, which provide a direct

connectionbetween thehigh-speed, 1.067-gigabits-per-second(Gbps) CiscoExtended Bus (CyBus)

and the external networks.

Note The Cisco 7507 and Cisco 7513 have dual CyBuses, for an aggregate bandwidth of

2.134 Gpbs.

Figure 7 shows the rear of the ﬁve-slot Cisco 7505 router. In the Cisco 7505, one slot (4) is reserved

for the Route Switch Processor (RSP1), which contains the system processor and performs packet

switching functions. Slots 0 through 3 are for interface processors.

Figure 7 Cisco 7505, Interface Processor End

H2761

RSP slot

DC OK LED

wer switch

Chassis

grounding

receptacles

Power receptacle AC-input power supply

EJECT

SLOT 0

SLOT 1

NORMAL

CPU HALT

RESET

AUX.

CONSOLE

ROUTE SWITCH PROCESSOR

ENABLE

Interface processor slot 1

Interface processor slot 2

Interface processor slot 0

Interface processor slot 3

Token Ring Interface Processor (TRIP) Installation and Configuration 9

Product Description

Figure 8 shows the rear of the seven-slot Cisco 7507 router. In the Cisco 7507, up to two slots (2 and

3) are reserved for the Route Switch Processor (RSP2), which contains the system processor and

performs packet switching functions. Slots 0 and 1, and 4 through 6 are for interface processors.

Figure 8 Cisco 7507, Interface Processor End

ENABLE

EJECT

SLOT 0

SLOT 1

NORMAL

CPU HALT

RESET

AUX.

CONSOLE

ROUTE SWITCH PROCESSOR 2

SLAVE

MASTER

SLAVE/MASTER

H3888

Slot 0 1234 5 6

pper

ower supply

hassis

rounding

ceptacles

ower

ower supply

DC FAIL

AC POWER

DC FAIL

AC POWER

RSP slots

aptive

stallation screw

aptive

stallation screw

10 Token Ring Interface Processor (TRIP) Installation and Conﬁguration

Product Description

Figure 9 shows the rear of the Cisco 7513, with two AC-input power supplies installed. Two slots (6

and 7) are reserved for the second generation Route Switch Processor (RSP2), which contains the

system processor and performs packet switching functions. Slots 0 through 5, and 8 through 12 are

for interface processors.

Figure 9 Cisco 7513, Interface Processor End

ENABLE

H3087

EJECT

SLOT 0

SLOT 1

NORMAL

CPU HALT

RESET

AUX.

CONSOLE

ROUTE SWITCH PROCESSOR 2

SLAVE

MASTER

SLAVE/MASTER

FAIL

POWER

Blower module

Cable-management

bracket

Card cage and

processor modules

Air intake vent

Power supplies

Chassis grounding

receptacle (2)

OK OK

AC FAN OUTPUT

OK OK FAIL

AC FAN OUTPUT

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