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Cisco CSC-C2MEC, Manual

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

Description of Parts

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

The CSC-MEC card must be installed in a router that is running System Software Release 8.3 or later
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
type of ciscoBus controller installed are provided in the section “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)

Summary of Contents for CSC-C2MEC

Page 1: ... 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 connect...

Page 2: ...ng 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 vers...

Page 3: ...ue 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 compl...

Page 4: ...tly 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 ...

Page 5: ...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...

Page 6: ... 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...

Page 7: ...s 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 cisc...

Page 8: ...er 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 micro...

Page 9: ... 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 cor...

Page 10: ...neration 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 C...

Page 11: ...is a list of ciscoBus interface cards in order of priority from highest to lowest 1 CSC MEC and C2MEC 10 Mbps 2 CSC C2CTR 16 Mbps 3 CSC HSCI and C2HSCI with an APP LHS applique HSSI interface 45 through 52 Mbps 4 CSC FCI and C2FCI 100 Mbps 5 CSC C2FCIT 100 Mbps 6 CSC HSCI and C2HSCI with an APP ULA applique UltraNet interface 125 Mbps Install CSC MEC or C2MEC cards in the lowest numbered slots beg...

Page 12: ... the C2FCIT and C2CTR ports The number of cards needed for the maximum number of ports is also listed in parentheses Exceeding these maximum limits may impede performance on any or all installed ciscoBus interfaces Table 4 Maximum Port and Card Configurations for ciscoBus Interface Cards C2 MEC Ports Cards C2FCIT C2 FCI Ports Cards C2 HSSI Ports Cards C2CTR Ports Cards 24 4 0 0 0 0 0 0 18 3 1 1 0 ...

Page 13: ... 5 ciscoBus Controller Switch Settings for Card Numbering At startup the system polls each Multibus interface card beginning with the lowest card number and assigns a sequential interface address to each port interface on each card When all Multibus interfaces are assigned the system proceeds to the ciscoBus and continues the interface address sequence as it polls the ciscoBus cards according to t...

Page 14: ...tes 4W 8W total 2 Up to a maximum of 6 transceivers is required Each transceiver dissipates 4W 24W total One CSC ENVM card 1 x 10 10 One CSC 4 processor card 1 x 35 35 One CSC CCTL2 card 1 x 29 29 One CSC FCI card 1 x 50 50 One CSC MCI 2E card 2 x 28 28 14 Ethernet transceivers 14 x 4 56 12 additional for the new MEC cards Power requirement of present system 208 Available power budget 300 208 98 A...

Page 15: ...vides the latest information on both the recommended and minimum required microcode versions for using all cards with System Software Releases 8 2 through 9 1 If the latest release implements features that you are not using in your system and you already have the minimum required version installed then there is no requirement to update the microcode However new microcode versions occasionally fix ...

Page 16: ... For step by step instructions for using the setup command facility and configuring the interfaces refer to the Router Products Getting Started Guide Required Parts Verify that you have all of the following parts and optional equipment you will need to install the new Ethernet interfaces If you need additional equipment contact your customer service representative for ordering information One cisc...

Page 17: ...he 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 within the range of 1 and 10 Mohms Installation The following sections describe the procedures for installing a CSC MEC card and Ethernet appliques The CSC MEC card is ...

Page 18: ...re installing a new CSC MEC card disregard steps 4 through 6 skip to step 7 Step 4 If you are replacing an existing CSC MEC card disconnect the cables from the front of the card to be removed Step 5 If necessary disconnect the cables from other interface cards so you can remove the CSC MEC from the card cage Before disconnecting cables ensure that they are properly labeled to avoid mixing up inter...

Page 19: ...applique to each port Step 12 Proceed to the next section to install the applique s If the appliques are already installed skip to the section Checking the Installation on page 21 Installing Appliques Following is the procedure for installing either the standard 15 pin Ethernet connector appliques or the 10BaseT appliques both are mounted on the same type of connector plate and are installed in th...

Page 20: ...e chassis against the opening with the Ethernet connector facing out and the component side of the applique facing up See Figure 10 Secure the applique with the screws you removed in step 3 Step 5 Internally route the internal ribbon cable under the system card cage and up to a port on the CSC MEC card Be careful not to tug on or kink the cable Step 6 Affix the appropriate label Ethernet0 Ethernet...

Page 21: ...icate the state of that interface There are no LEDs on the 15 pin Ethernet applique connectors You will have to be able to access the rear panel of the chassis to observe the LEDs on 10BaseT appliques Processor Card LEDs To the right of the configuration register on the front edge of the processor card are three LEDs On the CSC 3 the left and center LEDs are red see Figure 11 while on the CSC 4 th...

Page 22: ...h 3 the corresponding LED will be on to indicate a card in that slot Some ciscoBus cards have appliques that require power from the card to which they attach If these appliques are not connected correctly the corresponding LED on the CSC CCTL will not be on All other LEDs are on momentarily at power on but are not currently used Figure 13 CSC CCTL Card LEDs Front Edge View The LEDs on the CCTL2 ca...

Page 23: ...f it does not come on check the opposite end of the link to ensure that it is powered up and that the cable is securely installed If the LED still is not on switch the transmit and receive pair at one end of the link and restart the system When a good link is established the RCV LED will flash or remain on to indicate packet traffic on the link The XMT LED will be on when the unit transmits data o...

Page 24: ...m does not boot turn OFF the system power and check switch S1 on each Multibus interface card that was removed from the chassis Ensure that none were inadvertently set to card number 0 the only card that can be set for card number 0 is the ciscoBus controller card Step 3 When the system has booted check the LEDs on the CSC 3 or CSC 4 system processor card The far right green LED should be on the o...

Page 25: ...port use the show commands described in the next section to check the interface If the interface is up but the LED is not on the LED is bad return the card for service Step 7 Check the LINK LEDs on any installed 10BaseT appliques Ensure that each LINK led is on See Figure 16 If it is off check the following Check the connection at both ends of the internal ribbon cable between the applique and the...

Page 26: ...cally starts over for the next continuing until each interface has been configured When you add new interfaces the configuration information for the system and all existing interfaces is retained and displayed as the default in brackets in the prompts Use the Return key to accept the defaults existing configuration information at each prompt At this point you have two options continuing in setup t...

Page 27: ...efore pressing Return Step 3 Proceed through the remainder of the global parameter prompts use the Return key to accept the defaults Step 4 After the global parameters are configured the system prompts you for interface configuration information one interface at a time The following is a partial display of the script for a previously configured interface Configuring interface parameters Configurin...

Page 28: ...entify the specific interface to be configured with the interface configuration command which begins the configuration subcommand collection mode for the specified interface The syntax is interface type unit where type identifies the type of interface such as Ethernet and unit identifies the interface unit address You then must enter the configuration subcommands that define the configuration spec...

Page 29: ...bcommand interface type unit as shown in the following example interface ethernet 2 Return Step 4 If IP routing is enabled on the system you can assign an IP address and subnet mask to the interface with the ip address configuration subcommand as follows ip address 145 22 4 67 255 255 255 0 Return Step 5 Change the default shutdown state and enable the interface by entering the no shut configurati...

Page 30: ...ation Following is a partial sample display of the show interface command for Ethernet interface 1 router show int ether 1 Ethernet 1 is up line protocol is up Hardware is cBus Ethernet address is 0000 0c02 a03d Internet address is 131 108 42 9 subnet mask is 255 255 255 0 MTU 1500 bytes BW 10000 Kbit DLY 1000 usec rely 255 255 load 1 255 Encapsulation ARPA loopback not set keepalive set 10 sec AR...

Page 31: ...o the TAC Maintenance customers must have authorization from their Cisco contract administrators to receive these privileges For dialup or Internet users CIO supports Zmodem Kermit Xmodem FTP PUT Internet e mail Telnet rlogin and fax download options Internet users also can retrieve files from CIO using FTP Registration for CIO is handled on line To reach CIO via the Internet use Telnet or FTP to ...

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