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Fax: 408 

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Clear Channel 6-Port T3 (DS3) Line Card 
Installation and Configuration

Product Numbers: 7300-6T3
Platform Supported: Cisco 7304

Text Part Number: OL-3449-02

Summary of Contents for 7300-6T3

Page 1: ...n Drive San Jose CA 95134 1706 USA http www cisco com Tel 408 526 4000 800 553 NETS 6387 Fax 408 526 4100 Clear Channel 6 Port T3 DS3 Line Card Installation and Configuration Product Numbers 7300 6T3 Platform Supported Cisco 7304 Text Part Number OL 3449 02 ...

Page 2: ...owing measures Turn the television or radio antenna until the interference stops Move the equipment to one side or the other of the television or radio Move the equipment farther away from the television or radio Plug the equipment into an outlet that is on a different circuit from the television or radio That is make certain the equipment and the television or radio are on circuits controlled by ...

Page 3: ...o TAC Escalation Center xi Obtaining Additional Publications and Information xi C H A P T E R 1 Overview 1 1 Line Card Overview 1 1 Features 1 2 Interoperability Guidelines for 6T3 Line Card DSUs 1 3 Maintenance Data Link Messages 1 3 LEDs 1 3 T3 SMB Cables 1 4 Ordering Cables 1 6 Building Your Own Cables 1 6 Management Information Base 1 7 Line Card Slot Locations on the Supported Platform 1 7 Ci...

Page 4: ...a Line Card 3 4 Connecting a T3 SMB Cable 3 5 C H A P T E R 4 Configuring the 6T3 Line Card 4 1 Using the EXEC Command Interpreter 4 1 Configuring the Interfaces 4 2 Shutting Down an Interface 4 2 Performing a Basic Configuration 4 4 Customizing the 6T3 Line Card Configuration 4 6 Verifying Local and Remote DS3 Port Settings 4 6 Selecting a DSU Mode 4 6 Setting the Sending and Receiving Rate 4 7 C...

Page 5: ...3449 02 Using the show diag Command 4 12 Using the show interfaces Command 4 13 DS3 Alarm and Event Detection 4 14 Using the ping Command to Verify Network Connectivity 4 15 Using loopback Commands 4 15 Bit Error Rate Testing 4 17 CLI Controlled OIR 4 17 Line Card Crash Recovery 4 17 ...

Page 6: ...Contents vi Clear Channel 6 Port T3 DS3 Line Card Installation and Configuration OL 3449 02 ...

Page 7: ...tall and configure the clear channel 6 port T3 DS3 line card 7300 6T3 hereafter referred to as the 6T3 line card which is used in the Cisco 7304 router Organization This document contains the following chapters Section Title Description Chapter 1 Overview Describes the 6T3 line card and its LED displays cables and receptacles Chapter 2 Preparing for Installation Describes safety considerations too...

Page 8: ...ipped with your Cisco 7304 router Cisco 7304 Router Quick Start Guide For international agency compliance safety and statutory information for WAN interfaces Site Preparation and Safety Guide Regulatory Compliance and Safety Information for Cisco 7304 Routers To view Cisco documentation or obtain general information about the documentation refer to the following sources Obtaining Documentation sec...

Page 9: ...www cisco com go subscription Ordering Documentation You can find instructions for ordering documentation at this URL http www cisco com univercd cc td doc es_inpck pdi htm You can order Cisco documentation in these ways Registered Cisco com users Cisco direct customers can order Cisco product documentation from the Networking Products MarketPlace http www cisco com en US partner ordering index sh...

Page 10: ... tools cisco com RPF register register do Technical Assistance Center The Cisco TAC is available to all customers who need technical assistance with a Cisco product technology or solution Two types of support are available the Cisco TAC website and the Cisco TAC Escalation Center The type of support that you choose depends on the priority of the problem and the conditions stated in service contrac...

Page 11: ...ere network degradation significantly impacts business operations When you contact the TAC Escalation Center with a P1 or P2 problem a Cisco TAC engineer automatically opens a case To obtain a directory of toll free Cisco TAC telephone numbers for your country go to this URL http www cisco com warp public 687 Directory DirTAC shtml Before calling please check with your network operations center to...

Page 12: ...t magazine at this URL http www cisco com go packet iQ Magazine is the Cisco bimonthly publication that delivers the latest information about Internet business strategies for executives You can access iQ Magazine at this URL http www cisco com go iqmagazine Internet Protocol Journal is a quarterly journal published by Cisco Systems for engineering professionals involved in designing developing and...

Page 13: ... Card Slot Locations on the Supported Platform page 1 7 Identifying Interface Addresses page 1 9 Line Card Overview The 6T3 line card provides a full duplex operation at T3 45 Mbps speed It supports both 16 and 32 bit cyclic redundancy checks CRCs the default is 16 bit CRC You can change the default setting with software commands The 6 port 6T3 line card shown in Figure 1 1 provides up to 24 netwo...

Page 14: ...crambling In some modes the scrambling is optional Clear channel DS3 framed but unchannelized M23 and C bit parity DS3 frame formats Extraction of BOCs on the C bit far end alarm and control FEAC code Detects and counts remote alarm indication RAI parity errors far end block error FEBE line code violation LCV loss of light LOL out of frame OOF framing errors loss of frame LOF loss of signal LOS On...

Page 15: ...fication can be defined only by a network administrator and are discussed in ANSI T1 107 For information on transporting MDL messages between source and destination T3 ports on a Cisco 7304 router refer to T3 Maintenance Data Link Messages on the Cisco 7304 Router LEDs The 6 port 6T3 line card has six LNK LEDs one for each port as well as one OIR LED and one STATUS LED See Figure 1 2 Figure 1 2 LE...

Page 16: ...bles The cables are 10 feet 3 048 meters long and have two female SMB connectors on one end and two female or male bayonet coupling BNC connectors on the other end Use the female SMB cable connectors to connect the local line card RX and TX ports Use the BNC cable connectors to connect the line card RX and TX ports to other devices See Figure 3 2 Note Cisco does not automatically provide the six T...

Page 17: ...our responsibility to ensure that you have a compliant system that meets local EMC requirements To order additional cables use the product numbers 2CBLE SMB BNC M male and 2CBLE SMB BNC F female Note When you connect the 10 foot 3 048 meters shielded T3 SMB cables to the 6T3 line card be careful not to bend the male cable connector pin when you connect or disconnect the cables Observe the receive ...

Page 18: ...y connecting two closely spaced 6T3 line cards back to back These cables should be shielded and have SMB connectors on both ends Note Back to back configurations 6T3 line card serial to 6T3 line card serial port configurations require a specially built SMB to SMB cable Table 1 3 provides cable connector specifications Or you can use the 2CBLE SMB BNC M 10 foot 3 048 meters shielded cable and the 2...

Page 19: ...734A SMB cable from transmitter to receiver including the SMB to BNC adapter cables to verify high signal attenuation Table 1 4 lists some approximate attenuation values from the ANSI standard and shows the RG 179 attenuation RG 179 has a much higher attenuation so take this information into account if you plan long runs of RG 179 cable Management Information Base Management Information Base MIB a...

Page 20: ...and line cards installed in slots 2 through 4 In the Cisco 7304 slot 0 is in the lower left position and slot 5 is in the upper right position Figure 1 5 Slots in the Cisco 7304 Router TX 9K 10C48 1 PORT OC48 POS w SMSR OIR STATUS RX OIR STATUS 9K 40C3 POS MM 4 PORT OC3 POS w MM OIR STATUS CARRIER ALARM 0 ACTIVE LOOPBACK 1 2 3 TX LNK RX 0 7300 6T3 6 PORT T3 DSU STATUS OIR TX LNK RX 1 TX LNK RX 2 T...

Page 21: ...describes how to identify the interface addresses used for the 6T3 line card in the Cisco 7304 router The interface address is composed of a two part number in the format slot number interface port number See Table 1 5 for the interface address format In the Cisco 7304 router slots are numbered from the lower left to the upper right beginning with slot 0 and continuing through slot 5 Slot 0 and sl...

Page 22: ...1 10 Clear Channel 6 Port T3 DS3 Line Card Installation and Configuration OL 3449 02 Chapter 1 Overview Identifying Interface Addresses ...

Page 23: ...page 2 2 75 Ohm In Line Coaxial Attenuator Optional page 2 2 Safety Guidelines page 2 2 Required Tools and Equipment You need the following tools and parts to install a line card If you need additional equipment contact a service representative for ordering information 6T3 line card T3 SMB interface cables Number 2 Phillips screwdriver Your own electrostatic discharge ESD prevention equipment or t...

Page 24: ... 3 dB to 20 dB For more information on the attenuator kit go to the following URL http www cisco com univercd cc td doc product core 7206 fru 12884att htm Safety Guidelines This section provides safety guidelines that you should follow when working with any equipment that connects to electrical power or telephone wiring Caution The 6T3 line card is not intended for direct connection to outside tel...

Page 25: ...ust te zijn van de bij elektrische schakelingen betrokken risico s en dient u op de hoogte te zijn van de standaard praktijken om ongelukken te voorkomen Voor een vertaling van de waarschuwingen die in deze publicatie verschijnen dient u de vertaalde veiligheidswaarschuwingen te raadplegen die bij dit apparaat worden geleverd Opmerking BEWAAR DEZE INSTRUCTIES Opmerking Deze documentatie dient gebr...

Page 26: ...ses Handbuch ist zum Gebrauch in Verbindung mit dem Installationshandbuch für Ihr Gerät bestimmt das dem Gerät beiliegt Entnehmen Sie bitte alle weiteren Informationen dem Handbuch Installations oder Konfigurationshandbuch o Ä für Ihr spezifisches Gerät Figyelem FONTOS BIZTONSÁGI ELÕÍRÁSOK Ez a figyelmezetõ jel veszélyre utal Sérülésveszélyt rejtõ helyzetben van Mielõtt bármely berendezésen munkát...

Page 27: ...ÕES Nota Esta documentação destina se a ser utilizada em conjunto com o manual de instalação incluído com o produto específico Consulte o manual de instalação o manual de configuração ou outra documentação adicional inclusa para obter mais informações Advertencia INSTRUCCIONES IMPORTANTES DE SEGURIDAD Este símbolo de aviso indica peligro Existe riesgo para su integridad física Antes de manipular c...

Page 28: ...2 6 Clear Channel 6 Port T3 DS3 Line Card Installation and Configuration OL 3449 02 Chapter 2 Preparing for Installation Safety Guidelines ...

Page 29: ...lines when working with any electrical equipment Before beginning any procedure requiring access to the chassis interior locate the emergency power off switch for the room in which you are working Disconnect all power and external cables before moving a chassis Do not work alone when potentially hazardous conditions exist Never assume that power has been disconnected from a circuit always check ...

Page 30: ...lthough the metal carrier helps to protect the board from ESD use a preventive antistatic strap during handling Following are guidelines for preventing ESD damage Always use an ESD wrist or ankle strap and ensure that it makes good skin contact Connect the equipment end of the strap to an unfinished chassis surface When installing a component use any available ejector levers or captive installatio...

Page 31: ... Removal page 3 2 Warnings and Cautions page 3 3 Line Card Removal and Installation page 3 3 Connecting a T3 SMB Cable page 3 5 Installation Overview Each line card circuit board is mounted to a metal carrier and is sensitive to electrostatic discharge ESD damage Note When a line card slot is not in use a blank line card must fill the empty slot to allow the router to conform to electromagnetic in...

Page 32: ...n the router when removing and replacing a 6T3 line card on a Cisco 7304 router The Cisco 7304 router also supports CLI controlled OIR see the CLI Controlled OIR section on page 4 17 which allows for the completion of data traffic before the active interfaces are shut down Note CLI controlled OIR is the recommended way of performing OIR on this platform Note As you disengage the line card from the...

Page 33: ...osition Caution To prevent jamming the carrier between the upper and the lower edges of the line card slot and to ensure that the edge connector at the rear of the line card mates with the connection at the rear of the line card slot make certain that the carrier is positioned correctly as shown in the cutaway in the following illustrations Warning When performing the following procedures wear a g...

Page 34: ...ges of the carrier or printed circuit board between the upper and the lower edges of the chassis slot 5 Carefully slide the new line card halfway into the line card slot and connect all required cables 6 With the cables connected carefully slide the line card into the slot until the line card makes contact with the backplane NOTE The line card levers must be positioned at a 45 degree angle before ...

Page 35: ...at you fasten together your transmit and receive cables along their entire length as shown in Figure 3 2 Doing so reduces the effects of EMI You can use shielded jacketing or tubing for this purpose Figure 3 2 Attaching T3 SMB Cables to a 6T3 Line Card Caution To prevent system problems and to maintain the proper cable connection sequences connect the receive and transmit ports on your 6T3 line ca...

Page 36: ...3 6 Clear Channel 6 Port T3 DS3 Line Card Installation and Configuration OL 3449 02 Chapter 3 Removing and Installing Line Cards Connecting a T3 SMB Cable ...

Page 37: ...command interpreter with the enable command before you can use the configure command to configure a new interface or change the existing configuration of an interface The system prompts you for a password if one has been set The system prompt for the privileged level ends with a pound sign instead of an angle bracket At the console terminal use the following procedure to enter the privileged level...

Page 38: ...he EXEC command interpreter which usually requires password access Contact your system administrator if necessary to obtain password access See the Using the EXEC Command Interpreter section on page 4 1 for an explanation of the privileged level of the EXEC This section contains the following subsections Shutting Down an Interface page 4 2 Performing a Basic Configuration page 4 4 Customizing the ...

Page 39: ...ces are now in the correct state shut down using the show interfaces command followed by the interface type and interface address of the interface to display the specific interface Table 4 2 provides examples Table 4 1 Syntax of the shutdown Command Platform Command Example Cisco 7304 routers interface followed by the type serial and slot port slot number interface port number The example is for i...

Page 40: ... interfaces refer to the appropriate software documentation In the following procedure press the Return key after each step unless otherwise noted At any time you can exit the privileged level and return to the user level by entering disable at the prompt as follows Router disable Router Step 1 Enter configuration mode and specify that the console terminal is the source of the configuration subcom...

Page 41: ...hows the default values for the 6T3 line card serial interfaces Table 4 4 6T3 Line Card Serial Interface Default Values Parameter Configuration Command Default Value Clock source clock source internal line line Cyclic redundancy check crc 16 32 16 DSU mode no dsu mode adtran cisco digital link kentrox larscom cisco DSU subrate bandwidth no dsu bandwidth kbps 44210 Encapsulation encapsulation hdlc ...

Page 42: ...mode supports several third party DSU vendors Adtran Digital Link Kentrox and Larscom and the default DSU mode Cisco If you use a DSU to make the connection between the Cisco 7304 router and another device the local DS3 port configuration must match the remote DS3 port configuration Therefore if the remote DS3 port uses the Kentrox vendor a request is sent to the local DS3 port to change the DSU m...

Page 43: ...10 kbps by entering the dsu bandwidth configuration subcommand as in the following example Router config if dsu bandwidth 3000 Use the no form of this command to return to the default 44210 Note The local port configuration must match the remote port configuration Enabling Payload Scrambling Payload data scrambling converts the data received by the local or remote DS3 ports from the Digital Link K...

Page 44: ...press Z or enter end or exit to exit configuration mode and return to the EXEC command interpreter prompt Then write the new configuration to NVRAM using the copy running config startup config command Note When enabling a 16 bit or 32 bit CRC on a local interface ensure that the remote device is also configured for a 16 bit or 32 bit CRC For command descriptions refer to the Configuration Fundamen...

Page 45: ...the same on the remote port Also see the Interoperability Guidelines for 6T3 Line Card DSUs section on page 1 3 for information regarding DSU feature compatibilities Specifying T3 Framing In interface configuration mode specify T3 framing by entering the framing c bit m23 configuration subcommand as in the following example Router config if framing c bit Use the no form of this command to return t...

Page 46: ...rvice representative for assistance This section includes the following subsections Using the show version or show hardware Commands page 4 11 Using the show diag Command page 4 12 Using the show interfaces Command page 4 13 Table 4 7 Using show Commands Command Function Example show version or show hardware Displays system hardware configuration the number of each interface type installed Cisco I...

Page 47: ...opyright c 1986 2001 by cisco Systems Inc Compiled Thu 20 Dec 01 03 25 by cva Image text base 0x40008970 data base 0x41796000 ROM System Bootstrap Version 12 1 20011026 021245 hih rommon_1_1 101 DEVELOPMENT SOFTWARE Currently running ROMMON from ROM 1 BOOTLDR 7300 Software C7300 BOOT M Version 12 1 1 23 87 CISCO DEVELOPMENT VERSION nag ws1 uptime is 10 minutes System returned to ROM by reload Syst...

Page 48: ...r 0 0 Product Number 7300 6T3 Top Assy Part Number 68 0000 00 Manufacturing Test Data 00 00 00 00 00 00 00 00 Field Diagnostics Data 00 00 00 00 00 00 00 00 Calibration Data Minimum 0 dBmV Maximum 0 dBmV Calibration values EEPROM format version 4 EEPROM contents hex 0x00 04 FF 40 02 E8 41 02 01 46 00 00 C1 8B 43 41 42 0x10 30 35 34 31 4B 55 5A 34 82 49 17 32 02 42 41 30 0x20 02 02 03 00 81 00 00 0...

Page 49: ...tively shut down until you enable them Router show interfaces serial 5 0 Serial5 0 is up line protocol is up Hardware is Packet over DS3 Internet address is 50 1 1 2 8 MTU 9216 bytes BW 44210 Kbit DLY 200 usec reliability 255 255 txload 1 255 rxload 1 255 Encapsulation HDLC crc 16 loopback not set Keepalive not set Scramble enabled Last input 15 00 13 output 15 00 13 output hang never Last clearin...

Page 50: ...nt originates from the local end connector or the remote end connector as shown in the following example Router show controllers serial 5 0 Interface Serial5 0 DS3 port 0 Line state is up rxLOS inactive rxLOF inactive rxAIS inactive txAIS inactive rxRAI inactive txRAI inactive Current configurable parameter settings Loopback is none Framing is c bit Clock source is internal Cable length is 50 DSU ...

Page 51: ... If the connection fails verify that you have the correct IP address for the destination and that the device is active powered on and repeat the ping command Proceed to the next section Using loopback Commands to finish checking network connectivity Using loopback Commands With the loopback test you can detect and isolate equipment malfunctions by testing the connection between the 6T3 line card i...

Page 52: ...g if loopback remote loopback dte Sets the interface into loopback data terminal equipment DTE Loopback DTE loops the router output data back toward the router after the LIU Router config interface serial 2 0 Router config if loopback dte 1 Remote loopback mode works with C bit framing only The other loopback modes listed above work with C bit and M23 framing Refer to the Specifying T3 Framing sec...

Page 53: ...ly necessary when reactivating an installed line card that has been deactivated with the hw module slot slot stop command To remove and install an active line card in slot 2 proceed as follows Router hw module slot 2 stop When the OIR LED turns green the line card in slot 2 has been deactivated and can be physically removed and replaced with a new line card see the Line Card Removal and Installati...

Page 54: ...ion failure failure to boot or boot code exceptions firmware download failure Environmental critical conditions voltage and temperature Insufficient system memory to allocate critical line card driver data structures during line card initialization The following examples show non recoverable fatal error messages Error Message 00 00 06 SERIAL 0 DLL_OUTOFLOCK T3 HW DLLS failed to lock in line card a...

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