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Cisco Systems PA-4T manual

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  • Page 1

    170 West Tasman Drive San Jose, CA 95134-1706 USA http://www.cisco.com Cisco Systems, Inc. Corporate Headquarters Tel: 800 553-NETS (6387) 408 526-4000 Fax: 408 526-4100 P A-4T+ Synchronous Ser ial P or t Adapter Installation and Configuration Product Number : P A-4T+(=) Platf or ms Suppor ted: Cisco 7200 Series, Cisco 7000 Series and Cisco 7500 Se[...]

  • Page 2

    Access Registrar, AccessPath, Any to Any, AtmDirector, CCDA, CCDE, CCDP, CCIE, CCNA, CCNP, CCSI, CD-PAC, the Cisco logo, Cisco Certified Internetwork Expert logo, CiscoLink , the Cisco Management Connection logo, the Cisco Net Works logo, the Cisco Powered Network logo, Cisco Systems Capital, the Cisco Systems Capital logo, Cisco Systems Networking[...]

  • Page 3

    CHAPTER Overview 1-1 1 Ov er vie w This chapter describes the P A-4T+ port adapter and describes its LEDs, cables, and receptacles. This chapter contains the following sections: • Port Adapter Overvie w , page 1-1 • Synchronous Serial Overvie w , page 1-3 • Serial Interface Specifications, page 1-4 • Cables and Pinouts, page 1-5 • LEDs, [...]

  • Page 4

    Port Adapter Overview PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 1-2 Figure 1-2 P A-4T P or t Adapter—Faceplate View The following e xample of the show diag slot command shows a P A-4T+ in port adapter slot 0 (P A Bay 0) and a P A-4T in port adapter slot 1 (P A Bay 1) on a VIP2 that is in interface processor slot 3 in a[...]

  • Page 5

    Overview 1-3 Synchronous Serial Overview The following e xample of the show diag slot command shows a P A-4T+ in port adapter slot 1 in a Cisco 7200 series or a cisco uBR7200 series router: Router# show diag 1 Slot 1: Mx serial port adapter, 4 ports Port adapter is analyzed Port adapter insertion time 02:19:52 ago Hardware revision 1.0 Board revisi[...]

  • Page 6

    Serial Interface Specifications PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 1-4 EIA/TIA-449. Like EIA/TIA-449, EIA-530 refers to the electrical specifications of EIA/TIA-422 and EIA/TIA-423. The specification recommends a maximum speed of 2 Mbps. EIA-530 is used primarily in the United States. The V .35 interface is most[...]

  • Page 7

    Overview 1-5 Cables and Pinouts T able 1-1 Standards f or T ransmission Speed V ersus Distance Balanced dri vers allow EIA/TIA-449 signals to tra vel greater distances than EIA/TIA-232. The recommended distance limits for EIA/TIA-449 sho wn in T able 1-1 are also v alid for V .35, X.21, and EIA-530. EIA/TIA-449 and EIA-530 support 2.048-Mbps rates,[...]

  • Page 8

    Cables and Pinouts PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 1-6 • EIA/TIA-449: DTE mode with a 37-pin D-shell plug (CAB-449MT=); DCE mode with a 37-pin D-shell receptacle (CAB-449C=). • V .35: DTE mode or DCE mode with a 34-pin W inchester-type V .35 plug (CAB-V35MT= or CAB-V35MC=); DTE mode or DCE mode with a 34-pi[...]

  • Page 9

    Overview 1-7 PA-4T+ Receptacles and Cables EIA/TIA-232 Connections The router end of all EIA/TIA-232 adapter cables is a high-density 60-pin plug. The network end of the adapter cable is a standard 25-pin D-shell connector (kno wn as a DB-25) that is commonly used for EIA/TIA-232 connections. Figure 1-4 shows the connectors at the network end of th[...]

  • Page 10

    Cables and Pinouts PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 1-8 EIA/TIA-449 Connections The router end of all EIA/TIA-449 adapter cables is a high-density 60-pin plug. The network end of the adapter cable provides a standard 37-pin D-shell connector , which is commonly used for EIA/TIA-449 connections. Figure 1-5 shows [...]

  • Page 11

    Overview 1-9 PA-4T+ Port Adapter Cable Pinouts X.21 Connections The router end of all X.21 adapter cables is a high-density 60-pin plug. The network end of the adapter cable is a standard DB-15 connector . Figure 1-7 shows the connectors at the netw ork end of the X.21 adapter cable. X.21 cables are av ailable as either DTE (DB-15 plug) or DCE (DB-[...]

  • Page 12

    Cables and Pinouts PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 1-10 T able 1-2 EIA/TIA-232 Adapter Cable Signals DTE Cable (CAB-232MT=) DCE Cable (CAB-232FC=) Router End, HD 1 60-P osition Plug 1 HD = high density. Network End, DB-25 Plug Router End, HD 60-P osition Plug Network End, DB-25 Receptacle Signal Pin Pin Signal [...]

  • Page 13

    Overview 1-11 PA-4T+ Port Adapter Cable Pinouts T able 1-3 Intermediate Adapter Cable Signals (f or Connecting a P A-4T+ to a NEC - NEXTST AR 1E Model C4969 MD/SAC Unit) Router (DTE) End, DB-25 Receptacle Network (DCE) End, DB-25 Plug Signal Pin Pin Signal Shield ground 1 1 Shield ground TxD 2 —> 2 TxD RxD 3 <— 3 RxD R TS 4 —> 4 R TS[...]

  • Page 14

    Cables and Pinouts PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 1-12 T able 1-4 EIA/TIA-449 Adapter Cable Signals DTE Cable (CAB-449MT=) DCE Cable (CAB-449C=) Router End, HD 1 60-P osition Plug 1 HD = high density. Network End, DB-37 Plug Router End, HD 60-P osition Plug Netw ork End, DB-37 Receptacle Signal Pin Pin Signal [...]

  • Page 15

    Overview 1-13 PA-4T+ Port Adapter Cable Pinouts T able 1-5 EIA-530 DTE Adapter Cable Signals (CAB-530MT=) Router End, HD 1 60-P osition Plug 1 HD = high density. Network End, DB-25 Plug Signal Pin Pin Signal Shield ground 46 1 Shield ground TxD/RxD+ 11 —> 2 TxD+ TxD/RxD– 12 —> 14 TxD– RxD/TxD+ 28 <— 3 RxD+ RxD/TxD– 27 <— 1[...]

  • Page 16

    Cables and Pinouts PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 1-14 T able 1-6 V .35 Adapter Cable Signals DTE Cable (CAB-V35FT= or CAB-V35MT=) DCE Cable (CAB-V35FC= or CAB-V35MC=) Router End, HD 1 60-P osition Plug 1 HD = high density. Network End, 34-P osition Plug Router End, HD 60-P osition Plug Network End, 34-P os it[...]

  • Page 17

    Overview 1-15 LEDs LEDs The P A-4T+ contains the enabled LED, standard on all port adapters, and one status LED for each port. After system initialization, the enabled LED goes on to indicate that the P A-4T+ has been enabled for operation. (The LEDs are shown in Figure 1-9.) Figure 1-9 LEDs on the P A-4T+—Horizontal Orientation The following con[...]

  • Page 18

    LEDs PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 1-16 If any of the abo ve conditions are not met, or if the initialization fails for other reasons, the enabled LED will not go on. T able 1-8 lists port LED status indications. T able 1-8 P A-4T+ P or t LEDs LED Label Color State Function EN Green On Indicates ports are rea[...]

  • Page 19

    Preface v Pref ace This preface describes the objecti ves and organization of this document and e xplains how to find additional information on the P A-4T+ port adapter and other Cisco products and services. This preface contains the follo wing sections: • Objectiv es, page v • Document Organization, page vi • Related Documentation, page vi [...]

  • Page 20

    Document Organization PA-4T+ Synchronous Serial Port Adapter Installation and Configuration vi Document Organization This document is organized into the follo wing chapters: Related Documentation Y our router and the Cisco IOS software running on it contain extensi ve features and functionality , which are documented in the following resources: •[...]

  • Page 21

    Preface vii Cisco Connection Online • For hardware installation and maintenance information on the Cisco 7100 series routers, refer to the Cisco 7100 Series VPN Router Configuration Guide publication that shipped with your Cisco 7100 series router • For information on setting up a V irtual Priv ate Network, see the Cisco 7100 Series VPN Confi[...]

  • Page 22

    Documentation CD-ROM PA-4T+ Synchronous Serial Port Adapter Installation and Configuration viii Y ou can access CCO in the following ways: WWW : http://www .cisco.com WWW : http://www-europe.cisco.com WWW : http://www-china.cisco.com T elnet: cco.cisco.com Modem: From North America, 408 526-8070; from Europe, 33 1 64 46 40 82. Use the following ter[...]

  • Page 23

    CHAPTER Preparing for Installation 2-1 2 Prepar ing f or Installation This chapter describes the general equipment, safety , and site preparation requirements for installing the P A-4T+ port adapter . • T ools and Parts Required, page 2-1 • Software and Hardware Requirements, page 2-2 • Safety Guidelines, page 2-3 • FCC Class B Compliance, [...]

  • Page 24

    Software and Hardware Requirements PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 2-2 Software and Har dware Requirements lists the minimum Cisco IOS software release required to use the P A-4T+ port adapter in supported router platforms. 1 For PA-4T+ port adapters installed in Cisco 7200 series routers, Cisco IOS Release 11.[...]

  • Page 25

    Preparing for Installation 2-3 Software and Hardware Requirements Note The minimum recommended VIP2 model is a VIP2-15.[...]

  • Page 26

    Safety Guidelines PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 2-4 Safety Guidelines This section provides safety guidelines that you should follo w when working with any equipment that connects to electrical power or telephone wiring. Saf ety W ar nings Safety warnings appear throughout this publication in procedures that,[...]

  • Page 27

    Preparing for Installation 2-5 Electrical Equipment Guidelines Adv arsel Dette varselsymbolet betyr f are. Du befinner deg i en situasjon som kan føre til personskade. Før du utfører arbeid på utstyr , må du vare oppmerksom på de faremomentene som elektriske kretser innebærer , samt gjøre deg kjent med v anlig praksis når det gjelder å u[...]

  • Page 28

    FCC Class B Compliance PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 2-6 Pre v enting Electrostatic Discharge Damage Electrostatic discharge (ESD) damage, which can occur when electronic cards or components are improperly handled, results in complete or intermittent failures. Port adapters and processor modules comprise prin[...]

  • Page 29

    Preparing for Installation 2-7 FCC Class B Compliance • Mov e the equipment farther away from the tele vision or radio. • Plug the equipment into an outlet that is on a dif ferent circuit from the television or radio. (That is, make certain the equipment and the tele vision or radio are on circuits controlled by different circuit breakers or fu[...]

  • Page 30

    FCC Class B Compliance PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 2-8[...]

  • Page 31

    CHAPTER VIP2 and the PA-4T+ Port Adapter 3-1 3 VIP2 and the P A-4T+ P or t Adapter This chapter provides information on the P A-4T+ port adapter and its use in the VIP2 in Cisco 7000 series and Cisco 7500 series routers. This chapter contains the following sections: • Installation Overvie w , page 3-1 • Removing a Port Adapter , page 3-3 • In[...]

  • Page 32

    Installation Overview PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 3-2 Figure 3-1 VIP2-15 or VIP2-40 with a P A-4T+ in P or t Adapter Slot 1 Note Port adapters hav e a handle attached, but this handle is not sho wn to allow a full vie w of detail on each port adapter’ s faceplate. Figure 3-2 shows tw o P A-4T+ port adapte[...]

  • Page 33

    VIP2 and the PA-4T+ Port Adapter 3-3 Removing a Port Adapter Remo ving a P or t Adapter This section provides the standard procedures for remo ving a port adapter on the VIP2. Depending on the circumstances, you might need to install a new port adapter on a VIP2 motherboard or replace a failed port adapter in the field. In either case, you need a [...]

  • Page 34

    Installing a Port Adapter PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 3-4 Figure 3-3 Location of P or t Adapter Screw—P ar tial P or t Adapter View Step 5 Remov e the screw that secures the port adapter (or blank port adapter). Step 6 W ith the screw remo ved, grasp the handle on the front of the port adapter (or blank p[...]

  • Page 35

    VIP2 and the PA-4T+ Port Adapter 3-5 Installing a Port Adapter Figure 3-5 Aligning a P or t Adapter in a P or t Adapter Slot Step 2 Before you insert the new port adapter in its slot, v erify that the port adapter carrier is between the upper and lower slot edges, as sho wn in Figure 3-5. Do not jam the carrier between the slot edges. Caution T o e[...]

  • Page 36

    Installing a Port Adapter PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 3-6 Figure 3-6 P or t Adapter Installed in a P or t Adapter Slot—Partial P ort Adapter View Step 4 Replace the screw in the rear of the port adapter slot. (See Figure 3-3 for its location.) Do not overtighten this scre w . Step 5 Reinstall the VIP2 in [...]

  • Page 37

    CHAPTER Cisco 7200 Series and the PA-4T+ Port Adapter 4-1 4 Cisco 7200 Ser ies and the P A-4T+ P or t Adapter This chapter provides information on the P A-4T+ and its use in the Cisco 7200 series routers. This chapter contains the following sections: • Installation Overvie w , page 4-1 • Removing a Port Adapter , page 4-2 • Installing a Port [...]

  • Page 38

    Removing a Port Adapter PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 4-2 When a port adapter slot is not in use, a blank port adapter must fill the empty slot to allo w the router to conform to EMI emissions requirements and to allow proper air flo w across the port adapters. If you plan to install a new port adapter in a[...]

  • Page 39

    Cisco 7200 Series and the PA-4T+ Port Adapter 4-3 Installing a Port Adapter Figure 4-3 Handling a P or t Adapter Step 6 Place the port adapter on an antistatic surface with its components facing upw ard, or in a static shielding bag. If the port adapter will be returned to the factory , immediately place it in a static shielding bag. This completes[...]

  • Page 40

    Installing a Port Adapter PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 4-4 Step 5 W ith the port adapter halfway in the slot, connect all required cables to the port adapter . Step 6 After connecting all required cables, carefully slide the port adapter all the way into the slot until the port adapter is seated in the route[...]

  • Page 41

    CHAPTER Cisco uBR7200 Series and the PA-4T+ Port Adapter 5-1 5 Cisco uBR7200 Ser ies and the P A-4T+ P or t Adapter This chapter provides information on the P A-4T+ port adapter and its use on Cisco uBR7200 series univ ersal broadband routers. This chapter includes the following sections: • Installation Overvie w , page 5-1 • Removing a Port Ad[...]

  • Page 42

    Removing a Port Adapter PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 5-2 Note The Cisco uBR7200 series supports online insertion and remov al (OIR); therefore, you do not hav e to power do wn the router when removing and replacing a P A-4T+. When a port adapter slot is not in use, blank port adapters must fill empty slots [...]

  • Page 43

    Cisco uBR7200 Series and the PA-4T+ Port Adapter 5-3 Removing a Port Adapter • For the Cisco uBR7223, place the port adapter le ver in the unlocked position. (See Figure 5-3.) Figure 5-3 Placing the P or t Adapter Lever in the Unloc ked Position—Cisco uBR7223 Step 3 Grasp the handle on the port adapter and pull the port adapter from the router [...]

  • Page 44

    Installing a Port Adapter PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 5-4 Step 6 Place the port adapter on an antistatic surface with its components facing upw ard, or in a static shielding bag. If the port adapter will be returned to the factory , immediately place it in a static shielding bag. This completes the procedur[...]

  • Page 45

    Cisco uBR7200 Series and the PA-4T+ Port Adapter 5-5 Installing a Port Adapter Note If the retention clip does not slide up to the locked position, the port adapter is not completely seated in the midplane. Carefully pull the port adapter halfway out of the slot, reinsert it, and slide the port adapter lev er up to the locked position. Figure 5-6 P[...]

  • Page 46

    Installing a Port Adapter PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 5-6 This completes the procedure for installing a port adapter in a Cisco uBR7200 series router . Proceed to Chapter 7, “Installing the P A-4T+ Interf ace Cables, ” to connect the necessary cables to your port adapter .[...]

  • Page 47

    CHAPTER Cisco 7100 Series and the PA-4T+ Port Adapter 6-1 6 Cisco 7100 Ser ies and the P A-4T+ P or t Adapter This chapter provides information on the P A-4T+ port adapter and its use in the Cisco 7100 series routers. This chapter contains the following sections: • Installation Overvie w , page 6-1 • Removing a Port Adapter , page 6-2 • Insta[...]

  • Page 48

    Removing a Port Adapter PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 6-2 Figure 6-2 Cisco 7140 Series Router—P or t Adapter Slot 4 Location Depending on your circumstances, you might need to install a new port adapter in a Cisco 7100 series router or replace a failed port adapter in the field. All port adapters av ailabl[...]

  • Page 49

    Cisco 7100 Series and the PA-4T+ Port Adapter 6-3 Installing a Port Adapter Figure 6-3 Handling a P or t Adapter Step 6 Place the port adapter on an antistatic surface with its components facing upw ard, or in a static shielding bag. If the port adapter will be returned to the factory , immediately place it in a static shielding bag. Step 7 Install[...]

  • Page 50

    Installing a Port Adapter PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 6-4 Figure 6-4 Aligning the Single-Width P or t Adapter Between the Slot Guides Step 7 W ith the port adapter halfway in the slot, connect all required cables to the port adapter . Step 8 After connecting all required cables, carefully slide the port ada[...]

  • Page 51

    CHAPTER Installing the PA-4T+ Interface Cables 7-1 7 Installing the P A-4T+ Interf ace Cab les T o continue your P A-4T+ port adapter installation, you must install the port adapter cables and configure the P A-4T+ interfaces. The instructions that follo w apply to all supported platforms. Minor differences between the platforms are noted. This ch[...]

  • Page 52

    Replacing PA-4T+ Port Adapter Cables PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 7-2 Caution Serial interface cables must be attached correctly or damage to the cable plug will result. Attempting to force a cable plug on the 60-pin receptacle can damage the plug. (See Figure 7-2.) Figure 7-2 Connecting Serial P or t Adapte[...]

  • Page 53

    Installing the PA-4T+ Interface Cables 7-3 Replacing PA-4T+ Port Adapter Cables Follo wing is an example of the show contr ollers cbus command for a VIP2 that sho ws an interface port (3/1/0) that has an EIA/TIA-232 DTE cable attached: Router# show controllers cbus 3/1/0 slot3: VIP2, hw 2.3, sw 21.40, ccb 5800FF30, cmdq 48000088, vps 8192 software [...]

  • Page 54

    Replacing PA-4T+ Port Adapter Cables PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 7-4 For a Cisco 7100 series, Cisco 7200 series, or Cisco uBR7200 series router , use the follo wing commands: Router# configure terminal Enter configuration commands, one per line. End with CNTL/Z. Router(config)# interface serial 1/0 Router(c[...]

  • Page 55

    CHAPTER Configuring the PA-4T+ Interfaces 8-1 8 Configur ing the P A-4T+ Interf aces T o continue your P A-4T+ port adapter installation, you must install the port adapter cables and configure the P A-4T+ interfaces. The instructions that follo w apply to all supported platforms. Minor differences between the platforms are noted. This chapter cont[...]

  • Page 56

    Identifying Port Adapter Slot and PA-4T+ Interface Port Numbers PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 8-2 The system prompt for the privile ged lev el ends with a pound sign (#) instead of an angle bracket (>). At the console terminal, use the following procedure to enter the pri vileged le vel: Step 1 At the user[...]

  • Page 57

    Configuring the PA-4T+ Interfaces 8-3 Cisco 7200 Series and Cisco uBR7200 Series Ports Figure 8-1 P A-4T+ Interface P or t Address Example—Cisco uBR7246 Figure 8-2 shows the interface ports of a P A-4T+ in slot 2 of the Cisco uBR7200 series. The port adapter slot are numbered slot 1 and slot 2 (slot 0 is always reserv ed for the Fast Ethernet por[...]

  • Page 58

    Identifying Port Adapter Slot and PA-4T+ Interface Port Numbers PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 8-4 VIP2 P or ts In the router, physical port addresses specify the actual physical location of each interf ace port on the router interface processor end. (See Figure 8-3.) This address is composed of a three-part n[...]

  • Page 59

    Configuring the PA-4T+ Interfaces 8-5 Cisco 7100 Series Ports Cisco 7100 Series P or ts In Cisco 7100 series routers, the s lot number is the location in the chassis where the interface resides and the port number is the physical port. Interfaces in the Cisco IOS software are identified by a type, slot number , and port number . For e xample, seri[...]

  • Page 60

    Shutting Down an Interface PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 8-6 Step 2 At the privile ged-lev el prompt, enter configuration mode and specify that the console terminal will be the source of the configuration subcommands as follows: Router# configure terminal Enter configuration commands, one per line. End with[...]

  • Page 61

    Configuring the PA-4T+ Interfaces 8-7 Shutting Down an Interface For a Cisco 7200 series, Cisco uBR7200 series, or Cisco 7100 series router , use the follo wing example: Router# show interfaces serial 1/0 Serial 1/0 is administratively down, line protocol is down Hardware is M4T [display text omitted] For a VIP2, use the follo wing example: Router#[...]

  • Page 62

    Performing a Basic Configuration PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 8-8 P erf orming a Basic Configuration Follo wing are instructions for a basic interface configuration: enabling an interface, specifying IP routing, and setting up external timing on a DCE interface. Y ou might also need to enter other configu[...]

  • Page 63

    Configuring the PA-4T+ Interfaces 8-9 Configuring Timing (Clock) Signals Step 9 When you hav e included all of the configuration subcommands to complete the configuration, press Ctrl-Z (hold down the Contr ol key while you press Z ) or enter end to exit configuration mode and return to the EXEC command interpreter prompt. Step 10 Write the ne w [...]

  • Page 64

    Configuring Timing (Clock) Signals PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 8-10 Note Cisco IOS Release 11.2(7a)P or later , or 11.1(10)CA or later loaded on your Cisco 7200 series, Cisco 7000 series, or Cisco 7500 series router with a VIP2-40(=) support nonstandard clock rates (any v alue from 1200 to 8000000) on P A-4[...]

  • Page 65

    Configuring the PA-4T+ Interfaces 8-11 Setting the Clock Rate When the P A-4T+ interface is a DTE, the in vert-txc command in verts the TxC signal it recei ves from the remote DCE. When the P A-4T+ interface is a DCE, this command in verts the clock signal to the remote DTE port. Use the no in vert-txc command to change the clock signal back to its[...]

  • Page 66

    Configuring Half-Duplex and Binary Synchronous Communications PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 8-12 Configuring CRCs Cyclic redundancy check (CRC) is an error -checking technique that uses a calculated numeric value to detect errors in transmitted data. All interfaces use a 16-bit CRC (CRC-CITT) by def ault, bu[...]

  • Page 67

    Configuring the PA-4T+ Interfaces 8-13 Configuring Half-Duplex Configuring Half-Duplex Use the half-duplex command to configure P A-4T+ interfaces for half-duplex mode; full-duple x mode is the default for lo w-speed serial interfaces. Serial DCE interfaces in half-duplex mode can be configured for controlled-carrier mode or constant-carrier mod[...]

  • Page 68

    Checking the Configuration PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 8-14 T able 8-1 Half-Duplex Timer Default Settings Configuring Bisync T o configure P A-4T+ interfaces for Bisync operation in Cisco 7200 series routers, refer to the “Block Serial T unneling (BSTUN)” section of the “Configuring Serial T unnel [...]

  • Page 69

    Configuring the PA-4T+ Interfaces 8-15 Using show Commands to Display Interface Information Using show Commands to Displa y Interf ace Inf ormation T o display information about a specific interface, use the show interfaces command with the interface type and port address in the format show interfaces [ type slot/port ] on a Cisco 7200 series, Cis[...]

  • Page 70

    Checking the Configuration PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 8-16 The following e xample of the show interfaces serial slot/port command on a Cisco 7200 series, Cisco uBR7200 series, or Cisco 7100 series router shows all of the information specific to the first P A-4T+ interface port (interface port 0) in port [...]

  • Page 71

    Configuring the PA-4T+ Interfaces 8-17 Using show Commands to Display Interface Information The show version (or sho w hardwar e ) command displays the configuration of the system hardware (the number of each port adapter type installed), the software version, the names and sources of configuration files, and the boot images. Follo wing is an ex[...]

  • Page 72

    Checking the Configuration PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 8-18 VIP2 show interf aces Command Follo wing are examples of how the show interfaces [ type slot/port-adapter/port ] command displays status information (including the physical slot and port address) for the interfaces you specify . The four P A-4T+ in[...]

  • Page 73

    Configuring the PA-4T+ Interfaces 8-19 Using show Commands to Display Interface Information The following e xample of the show interfaces serial slot/port-adapter/port command sho ws all of the information specific to the first P A-4T+ interface port (interface port 0) in port adapter slot 1: Router# show interfaces serial 3/1/0 Serial3/1/0 is up[...]

  • Page 74

    Checking the Configuration PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 8-20 The show version (or sho w hardwar e ) command displays the configuration of the system hardware (the number of each interface processor type installed), the software v ersion, the names and sources of configuration files, and the boot images. F[...]

  • Page 75

    Configuring the PA-4T+ Interfaces 8-21 Using ping and loopback Commands Use the show diag command to vie w all the interface types installed in your system. Use the show diag slot command to vie w information about port adapters on a VIP2 that is installed in your system, as sho wn in the following example of a P A-4T+ on a VIP2 that is in interfac[...]

  • Page 76

    Checking the Configuration PA-4T+ Synchronous Serial Port Adapter Installation and Configuration 8-22 Follo wing is an example of a successful ping command to a remote server with the address 10.10.10.10: Router# ping 10.10.10.10 <Return> Type escape sequence to abort. Sending 5, 100-byte ICMP Echoes to 10.10.10.10, timeout is 2 seconds: !!!![...]