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Cisco Systems, Inc.
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San Jose, CA 95134-1706
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Cisco Systems, Inc.

Corporate Headquarters

Copyright © 1996–1999

Text Part Number:

Channelized T1 Port Adapter Installation
and Configuration

Product Number: PA-2CT1/PRI(=)

This configuration note describes how to install and configure the channelized T1 Integrated
Services Digital Network (ISDN) Primary Rate Interface (PRI) port adapter (PA-2CT1/PRI),
hereafter referred to as the 2CT1 port adapter, in the following platforms:

•

Cisco 7200 series routers—which consist of the two-slot Cisco 7202, the four-slot Cisco 7204
and Cisco 7204VXR, and the six-slot Cisco 7206 and Cisco 7206VXR

•

Second-generation Versatile Interface Processor (VIP2) in all Cisco 7000 series routers and
Cisco 7500 series routers using the 7000 Series Route Switch Processor (RSP7000) and
7000 Series Chassis Interface (RSP7000CI) installed

Document Contents

This configuration note is organized into three parts:

1

The following sections include general information and information about port adapter
installation:

— Related Documentation, page 2

— Port Adapter Installation Prerequisites, page 3

2

The following section includes information specific to the 2CT1 port adapter:

— What Is the 2CT1 Port Adapter?, page 7

3

The following sections include information specific to the 2CT1 port adapter’s use on the VIP2
in Cisco 7500 series routers and in Cisco 7000 series routers using the RSP7000 and RSP7000CI,
and in Cisco 7200 series routers:

— VIP2 and the 2CT1 Port Adapter, page 12

— Cisco 7200 Series and the 2CT1 Port Adapter, page 33

The “Cisco Connection Online” section on page 52 includes general reference information.

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Summary of Contents for PA-2CT1

Page 1: ... series routers and Cisco 7500 series routers using the 7000 Series Route Switch Processor RSP7000 and 7000 Series Chassis Interface RSP7000CI installed Document Contents This configuration note is organized into three parts 1 The following sections include general information and information about port adapter installation Related Documentation page 2 Port Adapter Installation Prerequisites page ...

Page 2: ... for Cisco 7200 series routers refer to the document Cisco 7200 Series Port Adapter Hardware Configuration Guidelines For international agency compliance safety and statutory information for interfaces for Cisco 7000 series routers Cisco 7200 series routers and Cisco 7500 series routers refer to the following publications Regulatory Compliance and Safety Information for the Cisco 7500 Series Route...

Page 3: ...ries routers and Cisco 7000 series routers that use the RSP7000 and RSP7000CI and in Cisco 7200 series routers 2CT1 port adapters can be installed in port adapter slot 0 or slot 1 on the VIP2 motherboard or in any available port adapter slot in Cisco 7200 series chassis Cisco 7000 Cisco 7500 and Cisco 7200 series routers support up to five installed 2CT1 port adapters that are running ISDN PRI ten...

Page 4: ...ice units VIP2 for installation in a Cisco 7000 or Cisco 7500 series chassis only For specific VIP2 models that support the 2CT1 port adapter see the Software and Hardware Requirements section on page 3 T1 interface cables see the 2CT1 Port Adapter Cables and Pinouts section on page 11 Number 1 Phillips and a 3 16 inch flat blade screwdriver Your own ESD prevention equipment or the disposable grou...

Page 5: ...weise finden Sie im Dokument Regulatory Compliance and Safety Information Informationen zu behördlichen Vorschriften und Sicherheit das zusammen mit diesem Gerät geliefert wurde Avvertenza Questo simbolo di avvertenza indica un pericolo La situazione potrebbe causare infortuni alle persone Prima di lavorare su qualsiasi apparecchiatura occorre conoscere i pericoli relativi ai circuiti elettrici ed...

Page 6: ...nnected to telephone wiring or to 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...

Page 7: ...d T1 ISDN PRI interfaces for connecting Cisco 7000 series routers to channel service units CSUs Each 2CT1 interface can transmit and receive data bidirectionally at the T1 rate of 1 544 megabits per second Mbps Both 2CT1 interfaces connect to external networks through a single port that has a 15 pin D shell receptacle Two standard serial cables null modem and straight through for use with the 2CT1...

Page 8: ... adapter supports dial on demand routing DDR when running ISDN PRI Port Adapter Locations on the VIP2 and in Cisco 7200 Series Routers This section provides information about where you can install the 2CT1 port adapters on the VIP2 and in Cisco 7200 series routers Note Port adapters have handles that allow for easy installation and removal however they are occasionally not shown in this publicatio...

Page 9: ... 0 is reserved for the optional Fast Ethernet port on the I O controller if present Note The I O controller is available with or without a Fast Ethernet port You can install both I O controller types in all Cisco 7200 series routers however when you install an I O controller with a Fast Ethernet port in a Cisco 7202 the system software automatically disables the port Figure 4 shows a Cisco 7206 wi...

Page 10: ...n downloaded successfully The system software recognizes the port adapter or 2CT1 equipped VIP2 If any of the above conditions are not met or if the initialization fails for other reasons the enabled LED will not go on Table 2 lists port LED status indications H6422 2 ETHERNET 10BT EN AB LE D 0 2 1 3 LI NK 0 1 2 3 E N A B LE D M II L IN K R J4 5 FAST ETHERNET 0 0 4 1 3 5 6 Port adapter slot 5 Port...

Page 11: ...ts connector pinouts for the 2CT1 null modem cable and Table 4 lists the connector pinouts for the 2CT1 straight through cable Port LED Status LB loopback This green LED comes on when the port is in loopback mode line or local The LED remains off during normal operation of the port adapter LA local alarm This green LED comes on when the incoming signal from a remote source is out of frame OOF cont...

Page 12: ...ing Down an Interface page 20 Configuring Channelized T1 Interfaces page 22 Configuring Channelized T1 ISDN PRI Interfaces page 25 Checking the Configuration page 28 The 2CT1 port adapter is used on the VIP2 and can be installed in port adapter slot 0 or port adapter slot 1 Figure 7 shows the 2CT1 port adapter installed on a VIP2 15 or VIP2 50 in port adapter slot 1 2CT1 End Network End DB 15 DB 1...

Page 13: ... in port adapter slots 0 and 1 on a VIP2 50 Figure 8 VIP2 50 with Two 2CT1 Port Adapters in Port Adapter Slots 0 and 1 H8662 E N L B L A R A 0 1 L B L A R A ETHERNET 10BT LIN K 1 3 0 2 0 1 2 3 4E in port adapter slot 0 2CT1 in port adapter slot 1 Port adapter handles not shown Bus connector DRAM SIMMs SRAM DIMM U5 CPU U6 U2 U4 Boot ROM Bus connector SRAM daughter card Boot ROM CPU SDRAM DIMM H1122...

Page 14: ...installed on the VIP2 in which you want to install a new port adapter you must first remove the VIP2 from the chassis then remove the blank port adapter When only one port adapter is installed on a VIP2 a blank port adapter must fill the empty slot to allow the VIP2 and router chassis to conform to electromagnetic interference EMI emissions requirements and to permit proper airflow through the cha...

Page 15: ...er for safe storage or shipment back to the factory If you removed a blank port adapter no special handling is required store the blank port adapter for potential future use Step 9 Remove the new port adapter from its antistatic container and position it at the opening of the slot See Figure 11 Caution To prevent jamming the carrier between the upper and lower edges of the port adapter slot and to...

Page 16: ... in Figure 11 Step 11 Carefully slide the new port adapter into the port adapter slot until the connector on the port adapter is completely seated in the connector on the motherboard Figure 12 Aligning the Carrier Edge with Upper and Lower Slot Edges Partial View Step 12 Install the screw in the rear of the port adapter slot See Figure 9 for its location Do not overtighten this screw Step 13 To re...

Page 17: ...tighten the strain relief screws See Figure 13 Note Port adapters have a handle attached but this handle is not shown to allow a detailed view of each port adapter s faceplate Figure 13 Connecting a 2CT1 Interface Cable CT1 Port Adapter Front View Shown without Handle Step 2 Attach the network end of the cable to your Primary Rate Interface PRI channel service unit CSU and tighten the strain relie...

Page 18: ...ing 2CT1 Interfaces If you installed a new 2CT1 equipped VIP2 or if you want to change the configuration of an existing interface you must use the privileged level configure command If you replaced a 2CT1 port adapter that was previously configured the system will recognize the new 2CT1 port adapter interfaces and bring each of them up in their existing configuration After you verify that the new ...

Page 19: ... number The first number identifies the chassis slot in which the VIP2 is installed as shown in the sample system in Figure 14 The second number identifies the physical port adapter number on the VIP2 and is either 0 or 1 The third number identifies the interface ports on each 2CT1 port adapter which are always numbered in sequence as interface 0 through 1 Keywords by Area Switch Type Australia ba...

Page 20: ...assis slot 2 the addresses of those same ports become 2 1 0 through 2 1 1 Figure 14 Serial Interface Port Number Example Cisco 7505 Shown You can identify interface ports by physically checking the slot port adapter interface port location on the back of the router or by using show commands to display information about a specific interface or all interfaces in the router Shutting Down an Interface...

Page 21: ...ividual controller interfaces enter the slot port channel group or pri group address of each interface followed by the shutdown command When you have entered all the interfaces to be shut down press Ctrl Z hold down the Control key while you press Z to exit configuration mode and return to the EXEC command interpreter prompt as follows Router config interface serial 3 1 0 0 Router config if shutdo...

Page 22: ... commands and the configuration options available refer to the publications listed in the Related Documentation section on page 2 The channel groups must be mapped before the 2CT1 controller can be configured The following are controller commands used to map the channel group the default variable is listed first controller t1 chassis slot number port adapter number interface port number clock sour...

Page 23: ...it must provide the clock source Step 4 Specify the controller s framing type by entering the framing command Router config controller framing esf Step 5 Specify the controller s linecode format by entering the linecode command Router config controller linecode b8zs Step 6 Specify a channel group and map timeslots to the channel group by entering the channel group command The following example spe...

Page 24: ...nterface serial 3 1 1 1 Router config if shutdown Router config if exit Router config LINEPROTO 5 UPDOWN Line protocol on Interface Serial3 1 1 1 changed state to down LINEPROTO 5 UPDOWN Interface Serial3 1 1 1 changed state to administratively down Step 12 After including all of the configuration commands to complete the configuration press Ctrl Z hold down the Control key while you press Z or en...

Page 25: ...to 23 The PRI group is configured by using timeslot 24 the D channel which is recognized by the system as timeslot 23 You can enter timeslots individually and separate them by commas or enter them as a range separated by a hyphen for example 1 3 8 9 18 The default DS0 speed of the PRI group is 56 kbps Note If you do not specify the timeslots the controller is configured for 23 B channels timeslots...

Page 26: ...the controller s PRI group by entering the pri group command The following example shows PRI group timeslots 1 3 through 5 and 7 the B channels selected and mapped to timeslot 24 the D channel which is recognized by the system as timeslot 23 Router config controller pri group timeslots 1 3 5 7 Router config controller LINEPROTO 5 UPDOWN Line protocol on Interface Serial3 1 1 23 changed state to do...

Page 27: ... 1 1 2 Router config if shutdown Router config if exit Router config LINEPROTO 5 UPDOWN Line protocol on Interface Serial3 1 1 2 changed state to down LINEPROTO 5 UPDOWN Interface Serial3 1 1 2 changed state to administratively down Step 12 After including all of the configuration commands to complete the configuration press Ctrl Z hold down the Control key while you press Z or enter end to exit c...

Page 28: ...system and each interface If the interface is down and you configured it as up or if the displays indicate that the hardware is not functioning properly ensure that the network interface is properly connected and terminated If you still have problems bringing up the interface contact a customer service representative for assistance To display information about a specific interface use the show int...

Page 29: ...e In the preceding example the term spoofing indicates that the interface is configured for ISDN PRI The term spoofing is indicated only on timeslot 24 the D channel which is recognized by the system as timeslot 23 The show version or show hardware command displays the configuration of the system hardware the number of each interface processor type installed the software version the names and sour...

Page 30: ...er 2 Status TEI 0 State MULTIPLE_FRAME_ESTABLISHED Layer 3 Status No Active Layer 3 Call s Activated dsl 0 CCBs 0 ISDN Serial3 1 1 23 interface Layer 1 Status ACTIVE Layer 2 Status TEI 0 State MULTIPLE_FRAME_ESTABLISHED Layer 3 Status No Active Layer 3 Call s Activated dsl 0 CCBs 0 Total Allocated ISDN CCBs 0 Display text omitted To determine which type of port adapter is installed on a VIP2 in yo...

Page 31: ...xrxcurr 0 display text omitted Use the show controllers t1 command to display the status of each installed T1 interface The following example shows the status of a 2CT1 port adapter installed in chassis slot 3 port adapter slot 1 interface port 0 Router show controller t1 T1 3 1 0 is up No alarms detected Framing is ESF Line Code is B8ZS Clock Source is Line Data in current interval 700 seconds el...

Page 32: ...dicate that the connection failed Following is an example of a successful ping command to a remote server with the address 10 1 1 10 Router ping 10 1 1 10 Return Type escape sequence to abort Sending 5 100 byte ICMP Echoes to 10 1 1 10 timeout is 2 seconds Success rate is 100 percent 5 5 round trip min avg max 1 15 64 ms Router If the connection fails verify that you have the correct IP address fo...

Page 33: ...g or Replacing a Port Adapter in Cisco 7200 Series Routers Depending on your circumstances you might need to install a new port adapter in a Cisco 7200 series router or replace a failed port adapter in the field In either case no tools are necessary all port adapters available for the Cisco 7200 series connect directly to the router midplane and are locked into position by a port adapter lever Whe...

Page 34: ...pter from the midplane about halfway out of its slot If you are removing a blank port adapter pull the blank port adapter completely out of the chassis slot Note As you disengage the port adapter from the router midplane OIR administratively shuts down all active interfaces on the port adapter Step 4 With the port adapter halfway out of the slot disconnect all cables from the port adapter Step 5 A...

Page 35: ...ter so that its components are downward See Figure 17 Step 3 Align the left and right edge of the port adapter metal carrier between the guides in the port adapter slot See Figure 18 Figure 18 Aligning the Port Adapter Metal Carrier Between the Slot Guides Cisco 7206 Shown Step 4 With the metal carrier aligned in the slot guides gently slide the port adapter halfway into the slot Caution Do not sl...

Page 36: ...on Cisco 7206 Shown This completes the procedure for installing a new port adapter in a Cisco 7200 series router Attaching a 2CT1 Interface Cable On a single 2CT1 port adapter you can use up to two serial connections Use the following procedure to connect a 2CT1 interface cable Step 1 Attach the cable directly to the receptacle on the 2CT1 port adapter and tighten the strain relief screws See Figu...

Page 37: ...he privileged level of the EXEC command interpreter with the enable command before you can use the configure command to configure a new interface or to 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 proc...

Page 38: ...tion for example clock source line code framing type and so on Channel group and PRI group information and timeslot mapping Protocols and encapsulations you plan to use on the new interfaces Protocol specific information such as IP addresses if you plan to configure the interfaces for IP routing Whether the new interface will use bridging Note Configuration commands are executed from the privilege...

Page 39: ...ether other port adapters are installed or removed However when you move a port adapter to a different slot the first number in the address changes to reflect the new slot number Figure 21 shows the interface ports of a 2CT1 port adapter in slot 1 of a Cisco 7206 router The individual interface port numbers always begin with 0 The number of additional ports depends on the number of ports on a port...

Page 40: ...in the show command displays Follow these steps to shut down an interface Step 1 Enter the privileged level of the EXEC command interpreter See the Using the EXEC Command Interpreter section on page 37 for instructions Step 2 At the privileged level prompt enter configuration mode and specify that the console terminal will be the source of the configuration commands as follows Router configure ter...

Page 41: ...mber interface port number to display the status of all interfaces of the controller Router show interface serial 1 0 0 Serial1 0 0 is down line protocol is down Hardware is MPA T1 display text omitted Step 8 To reenable the interfaces repeat the above steps but use the no shutdown command in Step 4 then write the new configuration to memory as follows Router config int serial 1 0 0 Router config ...

Page 42: ...nd channel group number 0 to 23 For example the address of the 2CT1 installed in port adapter slot 1 interface port 1 and channel group 5 would be serial 1 1 5 In the following procedure press the Return key after each configuration step Step 1 At the privileged mode prompt enter configuration mode and specify that the console terminal will be the source of the configuration commands as follows Ro...

Page 43: ...al configuration commands required to enable routing protocols and adjust the interface characteristics Step 9 Use the no shutdown and exit commands respectively to reenable the interface and return to configuration mode as follows Router config if no shutdown Router config if exit Router config LINEPROTO 5 UPDOWN Line protocol on Interface Serial1 1 0 changed state to up LINK 3 UPDOWN Interface S...

Page 44: ...ic channelized T1 ISDN PRI configuration enabling a controller and specifying IP routing You might also need to enter other configuration commands depending on the requirements for your system configuration and the protocols you plan to route on the interface For complete descriptions of configuration commands and the configuration options available refer to the publications listed in the Related ...

Page 45: ...ify the ISDN switch type In the following example the switch primary 5ess a switch for the United States is identified as the switch type Router config isdn switch type primary 5ess Note The ISDN switch type that you identify is for all ISDN interface ports installed in the router Step 3 At the prompt specify the controller to configure by entering the command controller followed by t1 and port ad...

Page 46: ...address commands as follows Note For channelized T1 ISDN PRI the PRI group is configured by using timeslot 24 which is recognized by the system as timeslot 23 Router config controller interface serial 1 1 23 Router config if ip address 10 1 15 1 255 255 255 0 Router config if Step 9 Add any additional configuration commands required to enable routing protocols and adjust the interface characterist...

Page 47: ...The system displays an OK message when the configuration is stored Step 14 Exit the privileged level and return to the user level by entering disable at the prompt as follows Router disable Router This completes the procedure for creating a basic channelized T1 ISDN PRI configuration Proceed to the section Checking the Configuration to check the interface configuration using show commands For dial...

Page 48: ...w interfaces command with the interface type port adapter slot interface port and channel group or PRI group address in the format show interfaces type port adapter slot interface port channel group or pri group The following example of the show interfaces serial port adapter slot number interface port number channel group command shows all of the information specific to the second 2CT1 interface ...

Page 49: ...rrun 0 ignored 0 abort 128 packets output 44416 bytes 0 underruns 0 output errors 0 collisions 0 interface resets 0 output buffer failures 0 output buffers swapped out 20 carrier transitions no alarm present Timeslot s Used 1 24 subrate 64Kb s transmit delay is 0 flags Note In the above example the term spoofing indicates that the interface is configured for ISDN PRI The term spoofing is indicated...

Page 50: ... show version Cisco Internetwork Operating System Software IOS tm 7200 Software C7200 J M Version 11 1 9 CA1 Copyright c 1986 1996 by cisco Systems Inc Compiled Sun 04 Aug 96 06 00 by biff Image text base 0x600088A0 data base 0x605A4000 ROM System Bootstrap Version 11 1 5 RELEASE SOFTWARE ROM 7200 Software C7200 BOOT M RELEASE SOFTWARE 11 1 9 CA1 Router uptime is 4 hours 22 minutes System restarte...

Page 51: ... descriptions and examples The ping command sends echo request packets out to a remote device at an IP address that you specify After sending an echo request the command waits a specified time for the remote device to reply Each echo reply is displayed as an exclamation point on the console terminal each request that is not returned before the specified timeout is displayed as a period A series of...

Page 52: ...CO serves a wide variety of users through two interfaces that are updated and enhanced simultaneously a character based version and a multimedia version that resides on the World Wide Web WWW The character based CCO supports Zmodem Kermit Xmodem FTP and Internet e mail and it is excellent for quick access to information over lower bandwidths The WWW version of CCO provides richly formatted documen...

Page 53: ...Cisco Management Connection logo the Cisco NetWorks logo the Cisco Powered Network logo Cisco Systems Capital the Cisco Systems Capital logo Cisco Systems Networking Academy the Cisco Technologies logo ConnectWay ControlStream Fast Step FireRunner GigaStack IGX JumpStart Kernel Proxy MGX Natural Network Viewer NetSonar Network Registrar New World Packet PIX Point and Click Internetworking Policy B...

Page 54: ...54 Channelized T1 Port Adapter Installation and Configuration Documentation CD ROM ...

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