Cisco PVDM2 24DM - Digital Modem Module User Manual
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Cisco PVDM2 24DM - Digital Modem Module User Manual

Digital modem packet voice data modules
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Cisco PVDM2-12DM, PVDM2-24DM, and
PVDM2-36DM Digital Modem Packet Voice Data
Modules
First Published: June 19, 2006
Last Updated: July 11, 2008
The Cisco digital modem packet voice data modules (Cisco PVDMs), type 2 (Cisco PVDM2s), are
high-density PVDMs containing 12, 24, or 36 digital modems. These modems provide direct digital
connection to Integrated Services Digital Network (ISDN) Primary Rate Interface (PRI) channels, to
Basic Rate Interface (BRI) channels, and to channel associated signaling (CAS) digital trunk lines. The
PVDM2s are installed in Cisco 2800 series and Cisco 3800 series integrated services routers.
Finding Feature Information in This Module
Your Cisco IOS software release may not support all of the features documented in this module. To reach
links to specific feature documentation in this module and to see a list of the releases in which each feature is
supported, use the
Finding Support Information for Platforms and Cisco IOS Software Images
Use Cisco Feature Navigator to find information about platform support and Cisco IOS and software image
support. To access Cisco Feature Navigator, go to <http://www.cisco.com/go/cfn>. An account on Cisco.com
is not required.
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Corporate Headquarters:
Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA
© 2006, 2007, 2008 Cisco Systems, Inc. All rights reserved.
"Feature Information for Digital Modem PVDM2s" section on page
47.

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Summary of Contents for Cisco PVDM2 24DM - Digital Modem Module

  • Page 1: Table Of Contents

    Finding Feature Information in This Module Your Cisco IOS software release may not support all of the features documented in this module. To reach links to specific feature documentation in this module and to see a list of the releases in which each feature is supported, use the “Feature Information for Digital Modem PVDM2s”...

  • Page 2: Prerequisites For Cisco Digital Modem Pvdm2S

    Basic Software Configuration Using the Cisco IOS Command-Line Interface. WAN connections are provided through Cisco network modules and interface cards. The digital modem PVDM2s are supported with the following: Network modules (supported in Cisco IOS Releases 12.4(9)T and later): •...

  • Page 3: Restrictions For Cisco Digital Modem Pvdm2S

    Restrictions for The following restrictions apply to the Cisco digital modem PVDM2s: Digital modem PVDM2s can be inserted only into PVDM2 slots on the motherboards of Cisco • routers. Initially, these routers are the Cisco 2800 series and Cisco 3800 series integrated services routers named in the “Supported Platforms”...

  • Page 4: Information About Cisco Digital Modem Pvdm2S

    PVDM. The remaining modems are assigned successively increasing line numbers. Some examples are: A PVDM2-12DM module is installed in the PVDM 0 slot of a Cisco 2811 router. The 12 modems •...
  • Page 5 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules How to Configure Digital Modem PVDM2s Tasks Common to All Configurations Complete the following tasks for all configurations of digital modem PVDM2s. Configuring the Loopback Interface, page 5 (required) •...
  • Page 6 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules How to Configure Digital Modem PVDM2s Configuring the Modem Country Code To configure the modem country code for a bank of V12 modems, use the modem country v12 command in global configuration mode.
  • Page 7 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules How to Configure Digital Modem PVDM2s DETAILED STEPS Command or Action Purpose Step 1 line start-range end-range Selects the modem lines for dial-in and switch to the line configuration mode.
  • Page 8 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules How to Configure Digital Modem PVDM2s Command or Action Purpose Step 3 Configures the router to accept inbound Telnet connections. transport input telnet Example: Router(config-line)# transport input telnet Step 4 Configures the line for both incoming and outgoing calls.
  • Page 9 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules How to Configure Digital Modem PVDM2s SUMMARY STEPS interface group-async number ip unnumbered Loopback number encapsulation ppp dialer in-band async mode interactive | dedicated peer default ip address pool name...
  • Page 10 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules How to Configure Digital Modem PVDM2s Command or Action Purpose Step 7 Disables Cisco Discovery Protocol on this interface. no cdp enable Example: Router(config-if)#no cdp enable Step 8 Associates one or more interfaces to the group interface so...
  • Page 11 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules How to Configure Digital Modem PVDM2s Command or Action Purpose Step 4 Sets the PPP as the encapsulation method used by this encapsulation ppp interface. Example: Router(config-if)# encapsulation ppp...
  • Page 12 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules How to Configure Digital Modem PVDM2s When dtmf dnis is part of the ds0-group command, functions in CSM V12 firmware collect the digits of the called number and match them to the called number in the appropriate modem pool, putting the call through.
  • Page 13 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules How to Configure Digital Modem PVDM2s DETAILED STEPS Command or Action Purpose Step 1 Specifies the number of consecutive failure that modem recovery threshold failed-calls must occur on a modem before modem recovery action takes place.
  • Page 14 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules How to Configure Digital Modem PVDM2s DETAILED STEPS Command or Action Purpose Step 1 Enters router configuration mode. configure terminal Example: Router# configure terminal Step 2 Loads a different version of CSM V12 firmware into the...
  • Page 15 The first step in configuring a digital modem interface is to configure the channelized T1 or E1 network module. The Cisco NM-1CE1T1-PRI network module has one port; The Cisco NM-2CE1T1-PRI network module has two ports. If the network module installed in your router has two ports, you need to do the following procedure on both ports.
  • Page 16 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules How to Configure Digital Modem PVDM2s DETAILED STEPS Command or Action Purpose Step 1 Specifies the network module type in the named slot. card type {t1 | e1} slot...
  • Page 17 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules How to Configure Digital Modem PVDM2s Configuring the ISDN Switch Type and PRI Group Perform the following steps to properly connect with the ISDN central office and to define the group of timeslots used.
  • Page 18 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules How to Configure Digital Modem PVDM2s DETAILED STEPS Command or Action Purpose Step 1 Specifies the D-channel of the first PRI line and switch to interface Serial slot/port:channel the interface configuration mode.
  • Page 19 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules How to Configure Digital Modem PVDM2s DETAILED STEPS Command or Action Purpose Step 1 Specifies the DS0 time slots that make up a port. ds0-group group-number timeslots list type type list specifies the time slots that are included in the DS0 group.
  • Page 20 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules How to Configure Digital Modem PVDM2s Command or Action Purpose Step 3 In T1 configurations, specifies super frame (sf) or extended framing {sf | esf} super frame (esf) as the frame type for data lines. Default is esf.
  • Page 21 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules How to Configure Digital Modem PVDM2s DETAILED STEPS Command Purpose Step 1 Enters the global configuration mode. configure terminal Example: router# configure terminal Step 2 Specifies the ISDN switch type.

  • Page 22: Configuration Examples For Digital Modem Pvdm2S

    Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules Configuration Examples for Digital Modem PVDM2s Configuration Examples for Digital Modem PVDM2s This section provides the following configuration examples: Configuring a T1 Controller for CAS Digital Trunk Calls: Example, page 22 •...
  • Page 23 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules Configuration Examples for Digital Modem PVDM2s dialer-group 1 no cdp enable no ppp authentication interface Group-Async1 no ip address encapsulation ppp load-interval 30 dialer in-band dialer pool-member 1 async mode dedicated...
  • Page 24 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules Configuration Examples for Digital Modem PVDM2s controller T1 1/0 framing esf linecode b8zs pri-group timeslots 1-24 controller T1 1/1 framing esf linecode b8zs interface Loopback0 ip address 10.0.0.1 255.255.255.255...

  • Page 25: Additional References

    Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules Additional References line vty 0 4 password ***** login scheduler allocate 20000 1000 Additional References The following sections provide references related to digital modem PVDM2s. Related Documents Related Topic...

  • Page 26: Technical Assistance

    Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules Command Reference RFCs Title No new or modified RFCs are supported by this — feature, and support for existing RFCs has not been modified by this feature. Technical Assistance...
  • Page 27 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules debug pvdm2dm debug pvdm2dm To view contents of packets flowing through PVDMII-xxDM digital modem devices, use the debug pvdm2dm command in privileged EXEC mode. To disable debug activity, use the no form of this command.
  • Page 28 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules debug pvdm2dm Examples The following example sets debugging for a specific modem. The following show debugging command displays the debug flag that is set, and gives a typical printout for one debugged packet:...
  • Page 29 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules modem country v12 modem country v12 To configure the modem country code for a bank of V12 modems, use the modem country v12 command in global configuration mode. To remove a country code from service, use the no form of this command.
  • Page 30 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules modem country v12 malaysia • netherlands • new-zealand • norway • poland • portugal • russia • singapore • south-africa • spain • sweden • • switzerland • t1-default (Defaults T1, u-law) •...
  • Page 31 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules show modem configuration (pvdm2) show modem configuration (pvdm2) To display the current modem configuration for digital modems on PVDM2-xxDM devices, use the show modem configuration command in privileged EXEC mode.
  • Page 32 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules show modem configuration (pvdm2) S24 = 0 0 second Sleep Inactivity Timer S25 = 5 Delay 5 (sec for async; 0.01 sec otherwise) to ignore DTR S26 = 1 Delay 0.01 seconds RTS to CTS Delay...
  • Page 33 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules show modem configuration (pvdm2) Table 2 show modem configuration Field Descriptions for V12 Modems (continued) S Register Field Description Wait Time Before Blind Dialing 2 to 255 seconds. Default/minimum is 2.
  • Page 34 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules show modem configuration (pvdm2) Table 2 show modem configuration Field Descriptions for V12 Modems (continued) S Register Field Description Flow Control Bit Mapped Status of flow control. Options Sta’tus...
  • Page 35 12.4(11)XW This command was introduced. Examples The following is sample output from the show modem log command issued on a Cisco PVDMII-xxDM device with V12 digital modems. A specific modem, 0/323, is designated. Router# show modem log 0/323 Modem 0/322 V12: Event Log contains 72 Events: 00:15:31.116 CSM: Incoming call from Unknown to 223...
  • Page 36 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules show modem log (pvdm2) reject frames sent reject frames rcvd total retransmissions 00:15:16.080 Ntf: CMDREQ 00:15:16.076 Ntf: DCERPT 00:15:16.076 Cmd: SETSYNC 00:15:16.072 Ntf: CONFIGACK 00:15:13.844 Cmd: ACCMTX 00:15:13.844 Cmd: ACCMRX 00:15:13.840 Ntf: CONFIGACK...
  • Page 37 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules show modem log (pvdm2) 00:13:45.436 Cmd: CMDDAT Statistic--DSP Information 00:13:45.432 Ntf: CMDDAT Statistic--DSP Information Raw AGC value Last EQM Transmit symbol rate 3429 Receive symbol rate 3429 Transmit carrier frequency...
  • Page 38 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules show modem log (pvdm2) Modulation type V.34 receive speed 33600 transmit speed 33600 error correction frames sent error correction frames rcvd characters transmitted characters received synchronous frames sent synchronous frames rcvd...
  • Page 39 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules show modem log (pvdm2) Raw round trip delay EQM sum low EQM sum medium EQM sum high 00:13:02.832 Ntf: CMDREQ 00:13:01.792 Cmd: CMDDAT Statistic--Digital Impairments 00:13:01.788 Ntf: CMDDAT Statistic--Digital Impairments...
  • Page 40 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules show modem log (pvdm2) Connection time (seconds) Initial receive speed 33600 Initial transmit speed 33600 Maximum receive speed 33600 Maximum transmit speed 33600 Minimum receive speed 33600 Minimum transmit speed...
  • Page 41 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules show modem log (pvdm2) K56flex/K56Plus negotiation failed V.90 negotiation not tried V.90/K56flex negotiation failed Non-standard V.8bis Octet 13 K56flex (generic) Non-standard V.8bis Octet 14 Conexant Conexant-based Non-standard V.8bis Octet 15 K56flex capable, Last byte, Non-standard V.8bis Octet 16...
  • Page 42 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules show modem operational-status (pvdm2) show modem operational-status (pvdm2) To display performance statistics for individual digital modems on PVDM2-xxDM devices, use the show modem operational-status command in privileged EXEC mode.
  • Page 43 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules show modem operational-status (pvdm2) Minimum EQM Maximum EQM Negative EQMs Minimum SNR 31 dB Maximum SNR 31 dB Retrains requested locally Retrains requested remotely Rate renegotiation req locally Rate renegotiation req remotely 0...
  • Page 44 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules show modem operational-status (pvdm2) Command Description show modem configuration Displays the current modem configuration for digital V12 modems (pvdm2) on PVDM2-xxDM devices. show modem log (pvdm2) Displays the modem history event status performed on a manageable modem or group of modems.
  • Page 45 Examples The following example displays modem version information about PVDM2-xxDM digital modems. This example specifically shows information about a Cisco 2821 router with three PVDM2-36DMs, high-density pvdms holding 36 digital modems each. Router# show modem version Slot 0: PVDM 0: PVDMII-36DM - HW Version 1, FPGA Version 3.3, NiOS(2) 5.0.1...
  • Page 46 Cisco PVDM2-12DM, PVDM2-24DM, and PVDM2-36DM Digital Modem Packet Voice Data Modules show modem version (pvdm2) Modem 0/462-0/473: PCI Classid: 0x07800001 Bootrom Rev: 0x00005601 Diag Result: 0x0000007F Firmware: V3_09 Modem 0/474-0/485: PCI Classid: 0x07800001 Bootrom Rev: 0x00005601 Diag Result: 0x0000007F Firmware: V3_09 Table 4 describes the significant fields shown in the displays of the show modem version command.
  • Page 47 Table 5 lists the release history for this feature. Not all commands may be available in your Cisco IOS software release. For release information about a specific command, see the command reference documentation. Use Cisco Feature Navigator to find information about platform support and software image support.
  • Page 48 Feature Information for Digital Modem PVDM2s CCVP, the Cisco logo, and Welcome to the Human Network are trademarks of Cisco Systems, Inc.; Changing the Way We Work, Live, Play, and Learn is a service mark of Cisco Systems, Inc.; and Access Registrar, Aironet, Catalyst, CCDA, CCDP, CCIE, CCIP, CCNA, CCNP, CCSP, Cisco, the Cisco...

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