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Table of Contents

Voice Network Module and Voice Interface Card Configuration Note

Voice Network Module and Voice Interface Card Configuration Note

Product Numbers: NM-1V=, NM-2V=
VIC-2E/M=, VIC-2FXO=, VIC-2FXS=

The voice over IP feature enables the Cisco 3600 series of modular routers to carry voice traffic, such as telephone calls and faxes, over an IP network simultaneously with data traffic. This document explains how to install and configure the following network modules and interface cards for these routers:

You need both a voice network module and a voice interface card for a voice connection. You can install one VIC (providing two voice ports) in a one-slot voice network module, and two VICs (four voice ports) in a two-slot module. At least one other network module or WAN interface card must be installed in the router to provide the connection to the IP LAN or WAN.


Figure 1: One-Slot Voice Network Module




Figure 2:
Two-Slot Voice Network Module




Figure 3:
Voice Interface Card with E&M Interface




Figure 4:
Voice Interface Card with FXO Interface




Figure 5:
Voice Interface Card with FXS Interface



This document is intended for both data communications managers and telecommunications managers who are installing, configuring, or maintaining voice network modules and interface cards.

Use this document with your router installation and configuration guide, the Regulatory Compliance and Safety Information document for your router, and the Cisco IOS configuration guides and command references.

Cisco documentation and additional literature are available in a CD-ROM package, which ships with your product. The Documentation CD-ROM, a member of the Cisco Connection Family, is updated monthly. Therefore, it might be more up to date than printed documentation. To order additional copies of the Documentation CD-ROM, contact your local sales representative or call customer service. The CD-ROM package is available as a single package or as an annual subscription. You can also access Cisco documentation on the World Wide Web at http://www.cisco.com, http://www-china.cisco.com, or http://www-europe.cisco.com.

If you are reading Cisco product documentation on the World Wide Web, you can submit comments electronically. Click Feedback in the toolbar, select Documentation, and click Enter the feedback form. After you complete the form, click Submit to send it to Cisco. We appreciate your comments.

If you have questions or need help, refer to the section "Cisco Connection Online" later in this document for further information.

This document contains the following sections:

Before performing procedures described in this document, review the section "Safety Recommendations."

Software Requirements

Voice network modules and voice interface cards require Cisco IOS Release 11.3(1)T or later.

Safety Recommendations

Follow these guidelines to ensure general safety:

Safety Warnings

Safety warnings appear throughout this publication in procedures that, if performed incorrectly, may harm you. A warning symbol precedes each warning statement.


Warning Means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents. To see translations of the warnings that appear in this publication, refer to the Regulatory Compliance and Safety Information document that accompanied this device.

Waarschuwing  Dit waarschuwingssymbool betekent gevaar. U verkeert in een situatie die lichamelijk letsel kan veroorzaken. Voordat u aan enige apparatuur gaat werken, dient u zich bewust te zijn van de bij elektrische schakelingen betrokken risico's en dient u op de hoogte te zijn van standaard maatregelen om ongelukken te voorkomen. Voor vertalingen van de waarschuwingen die in deze publicatie verschijnen, kunt u het document Regulatory Compliance and Safety Information (Informatie over naleving van veiligheids- en andere voorschriften) raadplegen dat bij dit toestel is ingesloten.

Varoitus  Tämä varoitusmerkki merkitsee vaaraa. Olet tilanteessa, joka voi johtaa ruumiinvammaan. Ennen kuin työskentelet minkään laitteiston parissa, ota selvää sähkökytkentöihin liittyvistä vaaroista ja tavanomaisista onnettomuuksien ehkäisykeinoista. Tässä julkaisussa esiintyvien varoitusten käännökset löydät laitteen mukana olevasta Regulatory Compliance and Safety Information -kirjasesta (määräysten noudattaminen ja tietoa turvallisuudesta).

Attention  Ce symbole d'avertissement indique un danger. Vous vous trouvez dans une situation pouvant causer des blessures ou des dommages corporels. Avant de travailler sur un équipement, soyez conscient des dangers posés par les circuits électriques et familiarisez-vous avec les procédures couramment utilisées pour éviter les accidents. Pour prendre connaissance des traductions d'avertissements figurant dans cette publication, consultez le document Regulatory Compliance and Safety Information (Conformité aux règlements et consignes de sécurité) qui accompagne cet appareil.

Warnung  Dieses Warnsymbol bedeutet Gefahr. Sie befinden sich in einer Situation, die zu einer Körperverletzung führen könnte. Bevor Sie mit der Arbeit an irgendeinem Gerät beginnen, seien Sie sich der mit elektrischen Stromkreisen verbundenen Gefahren und der Standardpraktiken zur Vermeidung von Unfällen bewußt. Übersetzungen der in dieser Veröffentlichung enthaltenen Warnhinweise 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 essere al corrente delle pratiche standard per la prevenzione di incidenti. La traduzione delle avvertenze riportate in questa pubblicazione si trova nel documento Regulatory Compliance and Safety Information (Conformità alle norme e informazioni sulla sicurezza) che accompagna questo dispositivo.

Advarsel  Dette varselsymbolet betyr fare. 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 vanlig praksis når det gjelder å unngå ulykker. Hvis du vil se oversettelser av de advarslene som finnes i denne publikasjonen, kan du se i dokumentet Regulatory Compliance and Safety Information (Overholdelse av forskrifter og sikkerhetsinformasjon) som ble levert med denne enheten.

Aviso  Este símbolo de aviso indica perigo. Encontra-se numa situação que lhe poderá causar danos físicos. Antes de começar a trabalhar com qualquer equipamento, familiarize-se com os perigos relacionados com circuitos eléctricos, e com quaisquer práticas comuns que possam prevenir possíveis acidentes. Para ver as traduções dos avisos que constam desta publicação, consulte o documento Regulatory Compliance and Safety Information (Informação de Segurança e Disposições Reguladoras) que acompanha este dispositivo.

¡Advertencia!  Este símbolo de aviso significa peligro. Existe riesgo para su integridad física. Antes de manipular cualquier equipo, considerar los riesgos que entraña la corriente eléctrica y familiarizarse con los procedimientos estándar de prevención de accidentes. Para ver una traducción de las advertencias que aparecen en esta publicación, consultar el documento titulado Regulatory Compliance and Safety Information (Información sobre seguridad y conformidad con las disposiciones reglamentarias) que se acompaña con este dispositivo.

Varning!  Denna varningssymbol signalerar fara. Du befinner dig i en situation som kan leda till personskada. Innan du utför arbete på någon utrustning måste du vara medveten om farorna med elkretsar och känna till vanligt förfarande för att förebygga skador. Se förklaringar av de varningar som förkommer i denna publikation i dokumentet Regulatory Compliance and Safety Information (Efterrättelse av föreskrifter och säkerhetsinformation), vilket medföljer denna anordning.


Warning Read the installation instructions before you connect the system to its power source.

Warning Only trained and qualified personnel should be allowed to install or replace this equipment.

Warning Before working on a chassis or working near power supplies, unplug the power cord on AC units; disconnect the power at the circuit breaker on DC units.

Warning Ultimate disposal of this product should be handled according to all national laws and regulations.

The following two warnings apply in Australia:


Warning This equipment is to be installed and maintained by service personnel only as defined by AS/NZS 3260 Clause 1.2.14.3 Service Personnel.

Warning Incorrect connection of this or connected equipment to a general purpose outlet could result in a hazardous situation.

Safety with Electricity


Warning Before working on equipment that is connected to power lines, remove jewelry (including rings, necklaces, and watches). Metal objects will heat up when connected to power and ground and can cause serious burns or weld the metal object to the terminals.

Warning  To avoid electric shock, do not connect safety extra-low voltage (SELV) circuits to telephone-network voltage (TNV) circuits. LAN ports contain SELV circuits, and WAN ports contain TNV circuits. Both LAN and WAN ports may use RJ-45 connectors. Use caution when connecting cables.

Warning Hazardous network voltages are present in WAN ports regardless of whether power to the router is OFF or ON. To avoid electric shock, use caution when working near WAN ports. When detaching cables, detach the end away from the router first.

Follow these guidelines when working on equipment powered by electricity:


Warning Before opening the chassis, disconnect the telephone-network cables to avoid contact with telephone-network voltages.

Warning Do not work on the system or connect or disconnect cables during periods of lightning activity.

The following warning applies in Australia:


Warning The telecommunications lines must be disconnected 1) before unplugging the main power connector and/or 2) while the housing is open.

Warning Do not touch the power supply when the power cord is connected. For systems with a power switch, line voltages are present within the power supply even when the power switch is OFF and the power cord is connected. For systems without a power switch, line voltages are present within the power supply when the power cord is connected.

Preventing Electrostatic Discharge Damage

Electrostatic discharge (ESD) can damage equipment and impair electrical circuitry. It occurs when electronic printed circuit cards are improperly handled and can result in complete or intermittent failures. Always follow ESD prevention procedures when removing and replacing cards. Ensure that the router chassis is electrically connected to earth ground. Wear an ESD-preventive wrist strap, ensuring that it makes good skin contact. Connect the clip to an unpainted surface of the chassis frame to safely channel unwanted ESD voltages to ground. To properly guard against ESD damage and shocks, the wrist strap and cord must operate effectively. If no wrist strap is available, ground yourself by touching the metal part of the chassis.


Caution For safety, periodically check the resistance value of the antistatic strap, which should be between 1 and 10 megohms (Mohm).

Installing a Voice Network Module in a Chassis Slot


Caution Network modules do not support online insertion and removal (hot swap). To avoid damaging the module, before you insert a network module into a chassis slot, you must turn OFF electrical power and disconnect network cables.

The following instructions apply only to installing network modules in a chassis slot. To install a WAN interface card in a network module, see the section "Installing a Voice Interface Card in a Network Module" later in this document.

Required Tools and Equipment

You need the following tools and equipment to install a voice network module in a Cisco 3600 series chassis slot:

Inserting the Network Module into the Chassis

You can install network modules in the chassis either before or after mounting the router, whichever is more convenient.

Follow this procedure to install a network module:

Step 1 Turn OFF electrical power to the router. However, to channel ESD voltages to ground, do not unplug the power cable. Remove all network interface cables, including telephone cables, from the rear panel.

The following warning applies to routers that use a DC power supply:



Warning Before performing any of the following procedures, ensure that power is removed from the DC circuit. To ensure that all power is OFF, locate the circuit breaker on the panel board that services the DC circuit, switch the circuit breaker to the OFF position, and tape the switch handle of the circuit breaker in the OFF position.

Step 2 Using either a number 1 Phillips screwdriver or a small flat-blade screwdriver, remove the blank filler panel from the chassis slot where you plan to install the module. Save the blank panel for future use.

Step 3 Align the network module with the guides in the chassis and slide it gently into the slot. (See Figure 6.)


Figure 6: Installing a Voice Network Module in a Router



Step 4 Push the module into place until you feel its edge connector mate securely with the connector on the motherboard.

Step 5 Fasten the module's captive mounting screws into the holes in the chassis, using the Phillips or flat-blade screwdriver.

Step 6 To install a voice interface card in the module, continue with the section "Installing a Voice Interface Card in a Network Module" later in this document. If you do not need to install a voice interface card, and if the router was previously running, reinstall the network interface cables and turn ON power to the router.

The following warning applies to routers that use a DC power supply:



Warning After wiring the DC power supply, remove the tape from the circuit breaker switch handle and reinstate power by moving the handle of the circuit breaker to the ON position.

Blank Network Module Panels

If the router is not fully configured with network modules, make sure that blank panels fill the unoccupied chassis slots to provide proper airflow. (See Figure 7.)


Figure 7: Blank Network Module Panel



Installing a Voice Interface Card in a Network Module

Voice interface cards fit into a voice network module. The voice network module installs into the router chassis. You cannot install a voice interface card directly into the chassis.

This section explains how to install a voice interface card in a voice network module. To install the network module in a router, see the section "Installing a Voice Network Module in a Chassis Slot" earlier in this document.


Caution Although voice interface cards (VICs) physically resemble WAN interface cards (WICs), which install in a Cisco 3600 series 2-slot network module to provide WAN interfaces, VICs and WICs are not interchangeable. VICs cannot be installed in a 2-slot network module, and WICs cannot be installed in a voice network module.

Required Tools and Equipment

You need the following tools and equipment to install a voice interface card in a Cisco 3600 series router:

Voice Interface Card Slot Assignments

A voice network module has two slots for installing WAN interface cards. These slots are numbered V0, on the right, and V1, on the left.

FXO Jumpers

The FXO voice interface card includes two jumper headers, W3 and W4, to set loop-start or ground-start mode. One jumper configures each FXO port. The default setting, which should be satisfactory in most installations, is loop start. In this setting, jumpers are placed over positions 2 and 3 of headers W3 and W4.

Most modern central office equipment, such as DMS-100 and 5ESS switches, provides CPC (calling party control) and Ring on Seize on loop-start lines. CPC allows quicker disconnection, and Ring on Seize minimizes glare (collision of inbound and outbound calls on the same interface). If your central office does not provide these features on loop start, you may want to configure the FXO VIC for ground-start operation instead by moving the jumpers to positions 1 and 2.

For proper operation, both jumpers must be configured identically. In most cases, jumper setting should have little or no effect on operation.

Inserting the Card into the Network Module


Caution Voice interface cards do not support online insertion and removal (hot swap). Before inserting a voice interface card into a voice network module that is already installed in the router chassis, you must turn OFF electrical power and disconnect network cables.

Time Saver You can install voice interface cards either before or after mounting the router, whichever is more convenient. You can install the card in the voice network module either before or after installing the voice network module in the router chassis.

Follow this procedure to insert the voice interface card into the voice network module:

Step 1 If the voice network module has already been installed in the router chassis, turn OFF power to the router. However, to channel ESD voltages to ground, do not unplug the power cable. Remove all network interface cables, including telephone cables, from the rear panel.

The following warning applies to routers that use a DC power supply:



Warning Before performing any of the following procedures, ensure that power is removed from the DC circuit. To ensure that all power is OFF, locate the circuit breaker on the panel board that services the DC circuit, switch the circuit breaker to the OFF position, and tape the switch handle of the circuit breaker in the OFF position.

Step 2 Using either a number 1 Phillips screwdriver or a small flat-blade screwdriver, remove the blank filler panel from the slot in the voice network module where you plan to install the card. Save the blank panel for future use.

Step 3 Align the card with the guides in the voice network module and slide it gently into the voice interface card slot. (See Figure 8.)


Figure 8: Installing a Voice Interface Card in a Voice Network Module



Step 4 Push the card into place until you feel its edge connector mate securely with the connector in the voice network module.

Step 5 Fasten the card's captive mounting screws into the holes in the voice network module faceplate, using the Phillips or flat-blade screwdriver.

Step 6 If the router was previously running, reinstall the network interface cables and turn ON power to the router.

The following warning applies to routers that use a DC power supply:



Warning After wiring the DC power supply, remove the tape from the circuit breaker switch handle and reinstate power by moving the handle of the circuit breaker to the ON position.

Warning This equipment is intended to be grounded. Ensure that the host is connected to earth ground during normal use.

Blank Voice Interface Card Panels

If the voice network module is configured with fewer than two voice interface cards, make sure that blank panels fill the open voice network module slots to provide proper airflow. (See Figure 9.)


Figure 9: Blank Voice Interface Card Panel



Connecting Voice Interface Cards to the Telephone Network

Voice network modules convert telephone voice signals into a form that can be transmitted over an IP network, and have no connectors. Voice interface cards provide the connection to the telephone equipment or network.

An FXS (foreign exchange station) interface connects directly to a standard telephone, fax machine, or similar device. This interface supplies ringing voltage, dial tone, and so on to the station. Ports on this interface card are color-coded gray. Use a standard RJ-11 modular telephone cable to connect this interface to a telephone or fax machine.

An FXO interface connects local calls to a central office or PBX. This is the interface a standard telephone provides. Ports on this interface card are color-coded pink. Use a standard RJ-11 modular telephone cable to connect this interface to the public switched telephone network or PBX through a telephone wall outlet.

E&M (ear and mouth) is a signaling technique for two-wire and four-wire telephone and trunk interfaces. The E&M interface typically connects remote calls from an IP network to a PBX. The next section, "Connector Pinouts," lists connector pinouts for this connection. Ports on the E&M voice interface card are color-coded brown.

Connector Pinouts

Voice network modules do not have connectors. FXS and FXO voice interface cards use standard RJ-11 jacks, whose pinout is shown in Table 1.

Table 1 shows the pinout for the RJ-11 connector.


Table  1: RJ-11 Pinout

Pin Signal
1 Not used
2 Not used
3 Ring
4 Tip
5 Not used
6 Not used

The E&M voice interface card uses an RJ-48S connector. The pinout depends on the PBX type and connection. Table 2 through Table 9 list typical configurations.


Note Pins that are not used should not be connected.

Table  2: E&M Type I, Four-Wire

Pin Signal Description
1 SB Not used
2 M Signaling input
3 R Audio input
4 R1 Audio output
5 T1 Audio output
6 T Audio input
7 E Signaling output
8 SG Not used

Table  3:
E&M Type I, Two-Wire

Pin Signal Description
1 SB Not used
2 M Signaling input
3 - Not used
4 R Audio input/output
5 T Audio input/output
6 - Not used
7 E Signaling output
8 SG Not used

Table  4: E&M Type II, Four-Wire

Pin Signal Description
1 SB -48V signaling battery output
2 M Signaling input
3 R Audio input
4 R1 Audio output
5 T1 Audio output
6 T Audio input
7 E Signaling output
8 SG Signaling ground return

Table  5: E&M Type II, Two-Wire

Pin Signal Description
1 SB -48V signaling battery output
2 M Signaling input
3 - Not used
4 R Audio input/output
5 T Audio input/output
6 - Not used
7 E Signaling output
8 SG Signaling ground return

Table  6: E&M Type III, Four-Wire

Pin Signal Description
1 SB -48V signaling battery output
2 M Signaling input
3 R Audio input
4 R1 Audio output
5 T1 Audio output
6 T Audio input
7 E Signaling output
8 SG Signaling ground return

Table  7: E&M Type III, Two-Wire

Pin Signal Description
1 SB -48V signaling battery output
2 M Signaling input
3 - Not used
4 R Audio input/output
5 T Audio input/output
6 - Not used
7 E Signaling output
8 SG Signaling ground return

Table  8: E&M Type V, Four-Wire

Pin Signal Description
1 SB Not used
2 M Signaling input
3 R Audio input
4 R1 Audio output
5 T1 Audio output
6 T Audio input
7 E Signaling output
8 SG Not used

Table  9:
E&M Type V, Two-Wire

Pin Signal Description
1 SB Not used
2 M Signaling input
3 - Not used
4 R Audio input/output
5 T Audio input/output
6 - Not used
7 E Signaling output
8 SG Not used

Voice Network Module LEDs

All network modules have an Enable (EN) LED. This LED indicates that the module has passed its self-tests and is available to the router. (See Figure 10.)


Figure 10: Voice Network Module LED



Voice Interface Card LEDs

Each voice interface card has two IN USE LEDs, one for each channel. Figure 11 shows a voice interface card with E&M interface as an example.


Figure 11: Voice Interface Card LEDs



Configuring the Voice Interface

Whenever you install a new interface, or if you want to change the configuration of an existing interface, you must configure the interface. If you replace a module that was already configured, the router recognizes it and brings up the interface in the existing configuration.

Before you configure an interface, have the following information available:


Time Saver Obtain this information from your system administrator or network plan before you begin router configuration.

To configure a voice interface, you must use configuration mode (manual configuration). In this mode, you can enter Cisco IOS commands at the router prompt.

Before you begin, disconnect all WAN cables from the router to keep it from trying to run the AutoInstall process. (Voice interfaces do not support AutoInstall.) The router tries to run AutoInstall whenever you power it ON if there is a WAN connection on both ends and the router does not have a valid configuration file stored in NVRAM (for instance, when you add a new interface). It can take several minutes for the router to determine that AutoInstall is not connected to a remote Transmission Control Protocol/Internet Protocol (TCP/IP) host.

If you have questions or need help, refer to the section "Cisco Connection Online" later in this document for further information.

To enter configuration mode, follow this procedure:

Step 1 Connect a console to the router. If you need instructions for connecting a console, refer to the installation chapter of your router installation and configuration guide. Power up the router.

Step 2 If the current configuration is no longer valid, after about one minute you see the following prompt:

Answer no. You now enter the normal operating mode of the router.


Step 3 After a few seconds, you see the user EXEC prompt (Router>). Type enable and the password to enter enable mode:

Configuration changes can be made only in enable mode. The prompt changes to the privileged EXEC (enable) prompt (Router#):


Step 4 Enter the config terminal command to enter configuration mode:

The router enters global configuration mode, indicated by the Router(config)# prompt.


Step 5 If you have not configured the router before, or want to change the configuration, configure global parameters, passwords, network management, and routing protocols. In this example, IP routing is enabled:

For complete information about global configuration commands, refer to the Cisco IOS configuration guides and command references.


Step 6 If you have not already done so, configure the network module or WAN interface card that you plan to use for IP traffic. For instructions, see your router's installation and configuration guide or the configuration note for the network module or WAN interface card.

Step 7 To configure another interface, enter the exit command to return to the Router(config)# prompt.

Step 8 To configure the router for voice traffic, and to configure voice interfaces, refer to the detailed instructions in the Voice over IP Quick Start Guide or the Voice over IP Software Configuration Guide.

Step 9 When you finish configuring interfaces, exit configuration mode and return to the enable prompt by pressing Ctrl-Z. To see the current operating configuration, including any changes you just made, enter the show running-config command:

To see the configuration currently stored in NVRAM, enter the show startup-config command at the enable prompt:


Step 10 The results of the show running-config and show startup-config commands differ from each other if you have made changes to the configuration, but have not yet written them to NVRAM. To write your changes to NVRAM, making them permanent, enter the copy running-config startup-config command at the enable prompt:

The router is now configured to boot in the new configuration.


Regulatory Compliance Statements

This section provides the following regulatory compliance statements:

FCC Part 15 Class B

The equipment described in this document generates and may radiate radio-frequency energy. If it is not installed in accordance with Cisco's installation instructions, it may cause interference with radio and television reception. This equipment has been tested and found to comply with the limits for a Class B digital device in accordance with the specifications in part 15 of the FCC rules. These specifications are designed to provide reasonable protection against such interference in a residential installation. However, there is no guarantee that interference will not occur in a particular installation.

You can determine whether your equipment is causing interference by turning it off. If the interference stops, it was probably caused by the Cisco equipment or one of its peripheral devices. If the equipment causes interference to radio or television reception, try to correct the interference by using one or more of the following measures:

Modifications to this product not authorized by Cisco Systems, Inc. could void the FCC approval and negate your authority to operate the product.

FCC Part 68

This equipment complies with Part 68 of the FCC rules. On the front panel of this equipment is a label that contains, among other information, the FCC registration number. If requested, you must provide this information to the telephone company.

An FCC-compliant cord and modular plug is provided with this equipment. This equipment is designed for connection to the telephone network or premises wiring using a compatible modular jack that is Part 68 compliant. See the installation instructions for details.

This equipment cannot be used on telephone company-provided coin service. Connection to party line service is subject to state tariffs.

If this equipment causes harm to the telephone network, the telephone company will notify you in advance that it may be necessary to temporarily discontinue service. If advance notice is not practical, the telephone company will notify you as soon as possible. Also, you will be advised of your right to file a complaint with the FCC.

The telephone company may make changes in its facilities, equipment, operations, or procedures that could affect the operation of this equipment. If this happens, the telephone company will provide advance notice for you to make the necessary modifications to maintain uninterrupted service.

If you experience trouble with this equipment, access Cisco Connection Online (CCO) on the World Wide Web at http://www.cisco.com. Or contact Cisco's Technical Assistance Center (TAC) at 800 553-2447, 408 526-7209 or tac@cisco.com for repair or warranty information. If the trouble is harming the telephone network, the telephone company may request that you remove this equipment from the network until the problem is resolved.

This device does not include any upgradeable parts.

The VIC-2FXO interface card uses a port with Facility Interface Code 02LS2 (loop start) or 02GS2 (ground start), Ringer Equivalence Number (REN) 0.7B, and jack type RJ-11C.

Industry Canada CS-03

The following information applies to models used in Canada.

Ringer Equivalence Number

The Ringer Equivalence Number (REN) assigned to each terminal device provides an indication of the maximum number of terminals allowed to be connected to a telephone interface. The termination on an interface may consist of any combination of devices, subject only to the requirement that the sum of the Ringer Equivalence Numbers of all the devices does not exceed 5.

Equipment Attachment Limitations

The Industry Canada label identifies certified equipment. This certification means that the equipment meets certain telecommunications network protective, operational, and safety requirements as prescribed in the appropriate Terminal Equipment Technical Requirement Documents. The Department does not guarantee the equipment will operate to the user's satisfaction.

Before installing this equipment, users should ensure that it is permissible to be connected to the facilities of the local telecommunications company. The equipment must also be installed using an acceptable method of connection. The customer should be aware that compliance with the above conditions may not prevent degradation of service in some situations.

Repairs to certified equipment should be coordinated by a representative designated by the supplier. Any repairs or alterations made by the user to this equipment, or equipment malfunctions, may give the telecommunications company cause to request the user to disconnect the equipment.

Users should ensure for their own protection that the electrical ground connections of the power utility, telephone lines, and internal metallic water pipe system, if present, are connected together. This precaution may be particularly important in rural areas.


Caution Users should not attempt to make connections themselves, but should contact the appropriate electric inspection authority, or electrician, as appropriate.

Additional information is shown in Table 10.


Table  10: Canadian Operating Information

Interface Connecting Method Ringer Equivalence Number
VIC-2FXO loop-start trunk interface
VIC-2FXO ground-start trunk interface
VIC-2FXS on-premises station interface
VIC-2E/M on-premises E&M interface
CA11, CA48 0.5

Call Progress Tone Settings

VIC-2FXO voice interface cards are available in several versions with interfaces intended for different geographical regions.

There are no hardware settings for connecting these voice interface cards to the public switched telephone network. To comply with national regulatory requirements, you must set call progress tones in software to the values shown in Table 11, using the cptone command.

To set call progress tones for a voice port, enter the following commands in global configuration mode:

Router(config)# voice-port slot-number/subunit-number/port
Router(config)# cptone setting

Table  11: Call Progress Tone Settings

Country Setting Compliance
Australia australia Austel TS002
Brazil brazil SPT 200-600 for PBX
Canada northamerica Industry Canada CS-03
China china GB/T 14381-93
Finland finland -
France france prTBR21, October 1997
Germany germany BAPT 223 ZV 5, July 1996
Great Britain unitedkingdom PD 7020:1996
Japan japan JATE Blue Book
Mexico northamerica NOM-036-SCT1-1993
United States northamerica FCC Part 68

Cisco Connection Online

Cisco Connection Online (CCO) is Cisco Systems' primary, real-time support channel. Maintenance customers and partners can self-register on CCO to obtain additional information and services.

Available 24 hours a day, 7 days a week, CCO provides a wealth of standard and value-added services to Cisco's customers and business partners. CCO services include product information, product documentation, software updates, release notes, technical tips, the Bug Navigator, configuration notes, brochures, descriptions of service offerings, and download access to public and authorized files.

CCO 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 documents with photographs, figures, graphics, and video, as well as hyperlinks to related information.

You can access CCO in the following ways:

For a copy of CCO's Frequently Asked Questions (FAQ), contact cco-help@cisco.com. For additional information, contact cco-team@cisco.com.


Note If you are a network administrator and need personal technical assistance with a Cisco product that is under warranty or covered by a maintenance contract, contact Cisco's Technical Assistance Center (TAC) at 800 553-2447, 408 526-7209, or tac@cisco.com. To obtain general information about Cisco Systems, Cisco products, or upgrades, contact 800 553-6387, 408 526-7208, or cs-rep@cisco.com.



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