3Com® VCX™ V7111 VoIP Gateway Installation Guide System Release 4.8 http://www.3com.
3Com Corporation, 350 Campus Drive, Marlborough MA 01752-3064 Copyright © 2003 - 2006, 3Com Corporation. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without written permission from 3Com Corporation.
CONTENTS ABOUT THIS GUIDE 7 How to Use This Guide 8 Conventions 9 Documentation Comments 9 Notices 9 WEEE EU Directive 9 Abbreviations and Terminology 10 CHAPTER 1: QUICK START 11 CHAPTER 2: INSTALLING THE V7111 13 Installing the V7111 13 Unpacking 13 Package Contents 14 19-inch Rack Installation Package 14 Mounting the V7111 14 Cabling the V7111 16 Installing the V7111 24-PORT 18 Unpacking 19 Package Contents 19 Mounting the V7111 24-PORT 19 Cabling the V7111 24-PORT 21 CHAPTER 3: CONFIGURING THE V7111
Basic Control Protocol Parameters 32 Configuring Basic MGCP Parameters 32 Configuring Basic H.
FCC Statement 69 OBTAINING SUPPORT FOR YOUR 3COM PRODUCT 71 Customer Support 71 3Com VCX V7111 Analog Gateway Installation Guide 5
3Com VCX V7111 Analog Gateway Installation Guide
ABOUT THIS GUIDE This guide describes the installation of the V7111 VoIP media gateways.
How to Use This Guide This book covers these topics: Chapter 1: Quick Start Chapter 2: Installing the V7111 Chapter 3: Configuring the V7111 Chapter 4: Changing the V7111 Username and Password Chapter 5: Restoring and Backing Up the V7111 Configuration Chapter 6: Monitoring the V7111 Chapter 7: Upgrading the V7111 Chapter 8: Regulatory Information 8 3Com VCX V7111 Analog Gateway Installation Guide
Conventions Table 1 lists conventions that are used throughout this guide. Notice Icons Table 1 Icon Notice Type Description Information note Information that describes important features or instructions. Caution Information that alerts you to potential loss of data or potential damage to an application, device, system, or network. Warning Information that alerts you to potential personal injury or death.
Abbreviations and Terminology Each abbreviation, unless widely used, is spelled out in full when first used. Only industrystandard terms are used throughout this manual. Hexadecimal notation is indicated by 0x preceding the number. Where "network" appears in this manual, it means LAN, WAN, etc. accessed via the gateway's Ethernet interface.
CHAPTER 1: QUICK START This guide provides you with information on how to install the V7111 for the first time. Prior knowledge of IP networks is preferred. Refer to the configuration procedures, outlined in Figure 1, for information on how to install, initialize, configure the device and make calls. For detailed information on how to fully configure the gateway, refer to the VCX V7111 VoIP Gateway User Manual.
3Com VCX V7111 Analog Gateway Installation Guide
CHAPTER 2: INSTALLING THE V7111 This section provides information on the installation procedure for the V7111 (see Installing the V7111) and the V7111 24-PORT. For information on configuring the gateway, see Chapter 3: Configuring the V7111. WARNING: The V7111 is supplied as a sealed unit and must only be installed and serviced by qualified service personnel. Units providing power sockets with three pins must be connected by service personnel to a socket-outlet with a protective earthing connection.
5 Notify 3Com or your local supplier of any damage or discrepancies. 6 Retain any diskettes or CDs. Package Contents Ensure that in addition to the V7111, the package contains: AC power cable. Small plastic bag containing four anti-slide bumpers for desktop installation. 19-inch Rack Installation Package Additional option is available for installing the V7111 in a 19-inch rack. The 19-inch rack installation package contains a single shelf (shown in Figure 2) and eight shelf-to-device screws.
Figure 3 View of the V7111 Base 3 2 1 Table 2 View of the V7111 Base Item # Functionality 1 Square slot used to attach anti-slide bumpers (for desktop mounting) 2 Oval notch used to attach the V7111 to a wall 3 Screw opening used to attach the V7111 to a 19-inch shelf rack Mounting the V7111 on a Desktop Attach the four (supplied) anti-slide bumpers to the base of the V7111 (see item #1 in Figure 3) and place it on the desktop in the position you require.
Installing the V7111 in a 19-inch Rack The V7111 is installed in a standard 19-inch rack by placing it on a shelf preinstalled in the rack. The 19-inch rack shelf is not supplied in the standard package kit, but can be ordered separately. For ordering and pricing, please contact your network distributor.
V7111 Rear Panel Connectors Figure 5 1 2 3 4 5 6 4 V7111 Rear Panel Component Descriptions Table 4 Item # Label Component Description 1 100-240~0.3A max.
Figure 6 RJ-45 Ethernet Connector Pinouts RJ-45 Connector and Pinout 12345678 Figure 7 1 - Tx+ 2 - Tx3 - Rx+ 6 - Rx- 4, 5, 7, 8 not connected Phone Connector Pinouts RJ-11 Connector and Pinout 1234 Figure 8 1234- Not connected Tip Ring Not connected PS/2 Pinouts PS/2 Female Connector and Pinout 2 (TD) - Transmit Data 3 (GND) - Ground for Voltage 6 (RD) - Receive Data Figure 9 PS/2 to DB-9 Adaptor Pinouts Installing the V7111 24-PORT To install the V7111 24-PORT, follow these 4 steps: 1 Unpac
When you have completed the above relevant sections you are then ready to start configuring the gateway (see Chapter 3: Configuring the V7111). Unpacking To unpack the V7111 24-PORT, follow these 6 steps: 1 Open the carton and remove packing materials. 2 Remove the V7111 24-PORT gateway from the carton. 3 Check that there is no equipment damage. 4 Check, retain and process any documents. 5 Notify 3Com or your local supplier of any damage or discrepancies. 6 Retain any diskettes or CDs.
CAUTION: Rack Mount Safety Instructions (UL) When installing the chassis in a rack, be sure to implement the following Safety instructions recommended by Underwriters Laboratories: • Elevated Operating Ambient - If installed in a closed or multi-unit rack assembly, the operating ambient temperature of the rack environment may be greater than room ambient.
Use four standard rack screws to attach the device to the rack. These screws are not provided with the device. 7 Figure 11 V7111 24-PORT with Brackets for Rack Installation Cabling the V7111 24-PORT Figure 12 illustrates the rear panel of the V7111 24-PORT. For descriptions of the V7111 24PORT rear panel components, see Table 6. Cable your V7111 24-PORT according to each section of Table 7.
V7111 24-PORT Cables and Cabling Procedure Table 7 Cable Cabling Procedure Protective earthing strap Connect an earthed strap to the chassis protective earthing screw and fasten it securely according to the safety standards. RJ-45 Ethernet cable Connect the Ethernet connection on the V7111 24-PORT directly to the network using a standard RJ-45 Ethernet cable. For connector pinouts, see Figure 13.
50-pin Telco Connector (V7111 24-PORT/FXS only) Figure 14 25 Pin Numbers 26 50 Figure 15 1 V7111 24-PORT in a 19-inch Rack with MDF Adaptor 19-inch Rack Rear View FRONT INPUT 24 line cords 2-wire with RJ-11 connectors M D F Adaptor Block - rear REAR OUTPUT 24 wire pairs in Octopus cable with 50-pin male Telco connector Primary LAN Cable to Eth 1 AC Power Cord Back-up LAN Cable to Eth 2 Connect to here ANALOG LINES 1-20 Grounding Strap 50-pin female Telco connector Cntrl Ready ON RS-232
Table 8 Pin Allocation in the 50-pin Telco Connector Phone Channel Connector Pins Phone Channel Connector Pins 1 1/26 13 13/38 2 2/27 14 14/39 3 3/28 15 15/40 4 4/29 16 16/41 5 5/30 17 17/42 6 6/31 18 18/43 7 7/32 19 19/44 8 8/33 20 20/45 9 9/34 21 21/46 10 10/35 22 22/47 11 11/36 23 23/48 12 12/37 24 24/49 Figure 16 V7111 24-PORT RS-232 Cable Wiring 2 3 5 DB-9female female for for PC DB-9 PC 24 RD TD GND 2 3 5 DB-9 male for for V7111 24DB-9 male MP
CHAPTER 3: CONFIGURING THE V7111 The V7111 application software already resides in the device’s flash memory when it is supplied (with factory default parameters). V7111 devices also include an Embedded (integrally stored) Web Server. Assigning the V7111 IP Address describes how to assign an IP address to the V7111. Basic Control Protocol Parameters describes how to set up the V7111 with basic parameters using a standard Web browser (such as Microsoft TM Internet Explorer).
V7111 Default Networking Parameters Table 9 Parameter Default Value FXS 10.1.10.10 FXO 10.1.10.11 FXS / FXO 10.1.10.10 V7111 default subnet mask is 255.255.0.0, default gateway IP address is 0.0.0.
8 Restore your PC’s IP address & subnet mask to what they originally were. If necessary, restart your PC and re-access the V7111 via the Embedded Web Server with its new assigned IP address. Assigning an IP Address Using BootP BootP procedure can also be performed using any standard compatible BootP server. You can also use BootP to load the auxiliary files to the V7111 (refer to the product’s User’s Manual).
Figure 17 Client Configuration Screen with Blank Parameters Assigning an IP Address Using the Voice Menu Guidance To assign an IP address using the voice menu guidance, follow these 7 steps: 1 Connect a telephone to one of the FXS ports. Lift the handset and dial ***12345 (three stars followed by the digits 1, 2, 3, 4, 5). 2 Wait for the 'configuration menu' voice prompt to be played. 3 To change the IP address, press 1 followed by the pound key (#).
5 To change the default gateway IP address, press 3 followed by the # key. The current default gateway address of the gateway is played. Press # to change it. Dial the new default gateway address; e.g. 192*168*0*1 and press # to finish. Review the new default gateway address, and press 1 to save it. 6 Hang up the handset. Access the gateway's Embedded Web Server with the new IP address you assigned (see Accessing the Embedded Web Server). 7 Reset the gateway.
2 Use a serial communication software (e.g., HyperTerminalTM) to connect to the V7111. Set your serial communication software to the following communications port settings: Baud Rate: 115,200 bps (V7111 24-PORT), 9,600 bps (V7111) Data bits: 8 Parity: None Stop bits: 1 Flow control: None The CLI prompt is available immediately.
3 Load your previously backed-up ini file, or the default ini file (received with the software kit). To load the ini file via the Embedded Web Server, refer to the V7111 User’s Manual. 4 Press again on the ‘Reset’ button (this time for a short period). To restore the networking parameters of the V7111 24-PORT to their initial state, follow these 6 steps: 1 Disconnect the V7111 24-PORT from the power and network cables. 2 Reconnect the power cable; the gateway is powered up.
4 Click OK; the ‘Quick Setup’ screen is accessed, shown in Figure 19 (MGCP), Figure 20 (H.323), and Figure 21 (SIP). Basic Control Protocol Parameters To configure the V7111 basic control protocol parameters use the Embedded Web Server’s ‘Quick Setup’ screen. For MGCP, see Configuring Basic MGCP Parameters. For H.323, see Configuring Basic H.323 Parameters. For SIP, see Configuring Basic SIP Parameters.
Figure 19 V7111 MGCP Quick Setup Screen To configure basic MGCP parameters, follow these 10 steps: 1 If your network features a DNS server, in the fields ‘DNS Primary Server IP’ and ‘DNS Secondary Server IP’, enter the IP address of the primary and secondary DNS servers (clarify with your network administrator). Note that the DNS server option is not supported by MGCP.
7 In the ‘Gateway Name’ field, enter a name to the device. (For example: ‘gateway1.com’). Ensure that the name you choose is the one that the Call Manager/Agent is configured with to identify your V7111. 8 In the ‘Endpoint Name’ field, enter an intuitive endpoint name. Ensure that the endpoint name you choose is the one that the Call Agent works with. 9 In the ‘Endpoint Numbering Offset’ field, you can enter a value to offset the numbers that represent the gateway’s endpoints.
To configure basic H.323 parameters, follow these 7 steps: 1 If the V7111 is connected to a router with NAT enabled, perform the following procedure. If it isn’t, leave the ‘NAT IP Address’ field undefined. Determine the “public” IP address assigned to the router (by using, for instance, router Web management). Enter this public IP address in the ‘NAT IP Address’ field. Enable the DMZ configuration on the residential router for the LAN port where the V7111 gateway is connected.
7 Click Quick Setup; you’re returned to the ‘Quick Setup’ screen. Click the Reset button and click OK in the prompt; the V7111 applies the changes and restarts. This takes approximately 2 minutes to complete. When the V7111 has finished restarting, the Power and Ready LEDs on the front panel are lit green. Configuring Basic SIP Parameters After accessing the Embedded Web Server (see Accessing the Embedded Web Server) the SIP ‘Quick Setup’ screen is displayed, shown in Figure 21.
To configure basic SIP parameters, follow these 9 steps: 1 If the V7111 is connected to a router with NAT enabled, perform the following procedure. If it isn’t, leave the ‘NAT IP Address’ field undefined. Determine the “public” IP address assigned to the router (by using, for instance, router Web management). Enter this public IP address in the ‘NAT IP Address’ field. Enable the DMZ configuration on the residential router for the LAN port where the V7111 gateway is connected.
8 9 Allocate V7111 endpoints (analog lines) and their corresponding phone numbers to incoming IP calls by completing these steps: Click the arrow button next to the ‘Endpoint Phone Number’ label; the ‘Endpoint Phone Numbers’ screen opens. Enter the number of a channel, starting with 1, (or a group of channels), under the ‘Channel(s)’ column (for example 1-4 for the first 4 endpoints).
CHAPTER 4: CHANGING THE V7111 USERNAME AND PASSWORD To prevent unauthorized access to the Embedded Web Server, two user accounts are available, a primary and secondary. For detailed information on the user account mechanism, refer to the V7111 User’s Manual. It is recommended that you change the default username and password of the account you use to access the Embedded Web Server.
2 To change the username of an account, enter the new username in the field ‘User Name’ and click the button Change User Name; the new username is applied immediately and the ‘Enter Network Password’ screen appears (shown in Figure 18). Enter the updated username in the ‘Enter Network Password’ screen. Note that the username can be a maximum of 19 case-sensitive characters.
CHAPTER 5: RESTORING AND BACKING UP THE V7111 CONFIGURATION The ‘Configuration File’ screen enables you to restore (load a new ini file to the gateway) or to back up (make a copy of the VoIP gateway ini file and store it in a directory on your PC) the current configuration the gateway is using. Back up your configuration if you want to protect your VoIP gateway programming. The backup ini file includes only those parameters that were modified and contain other than default values.
To back up the ini file, follow these 4 steps: 1 Click the Get ini File button; the ‘File Download’ window opens. 2 Click the Save button; the ‘Save As’ window opens. 3 Navigate to the folder where you want to save the ini file. 4 Click the Save button; the VoIP gateway copies the ini file into the folder you selected. To restore the ini file, follow these 4 steps: 1 Click the Browse button. 2 Navigate to the folder that contains the ini file you want to load.
CHAPTER 6: MONITORING THE V7111 The V7111 provides several ways of monitoring the status of the gateway: Monitoring the V7111 front panel LEDs (see Monitoring the V7111 Front Panel LEDs). Monitoring the V7111 channels via the Embedded Web Server (see Monitoring the V7111 Channels). Monitoring the V7111 Front Panel LEDs The V7111 front panel LEDs indicate the Ethernet LAN status, Data (RTP) activity and state of the gateway ports.
Table 11 Label Ready LAN Control Definition of V7111 24-PORT Front Panel LED Indicators Type Device Status Ethernet Link Status Color State Function Green ON Device Powered, self-test OK Orange Blinking Software Loading/Initialization Red ON Malfunction Green ON Valid 10/100 Base-TX Ethernet connection Red ON Malfunction Green Blinking Sending and receiving SIP messages Control Link Blank Data Packet Status No traffic Green Blinking Transmitting RTP (Real-Time Transport Pro
The color of each channel shows the call status of that channel. See Table 12 for information on the different statuses a call can have. Table 12 Indicator Channel Status Color Indicators Color Label Description Gray Inactive Indicates this channel is currently onhook Lime Green RTP Active Indicates an active RTP stream. Red Not Connected (FXO only) Indicates that no analog line is connected to this port.
3Com VCX V7111 Analog Gateway Installation Guide
CHAPTER 7: UPGRADING THE V7111 To upgrade the V7111 (load new software or auxiliary files onto the VoIP gateway) use the Software Update feature, available through the Embedded Web Server. The ‘Software Update’ menu comprises two submenus: Software Update Wizard (see Software Upgrade Wizard). Auxiliary Files (see Updating the Auxiliary Files).
Figure 26 Start Software Upgrade Screen At this point, the process can be canceled with no consequence to the device (click the Cancel button). If you continue the process (by clicking the Start Software Upgrade button, the process must be followed through and completed with a device reset at the end. If you click the Cancel button in any of the subsequent screens, the device is automatically reset with the configuration that was previously burned in flash memory.
Figure 27 4 Click the Browse button, navigate to the cmp file and click the button Send File; the cmp file is loaded to the device and you’re notified as to a successful loading (see Figure 28). Figure 28 5 Load a cmp File Screen File Successfully Loaded into the Device Notification Note that the four action buttons (Cancel, Reset, Back, and Next) are now activated (following cmp file loading).
You can now choose to either: Click Reset; the device resets, utilizing the new cmp you loaded and utilizing the current configuration files. Click Cancel; the device resets utilizing the cmp, ini and all other configuration files that were previously stored in flash memory. Note that these are NOT the files you loaded in the previous Wizard steps. Click Back; the ‘Load a cmp File’ screen is reverted to; see Figure 27. Click Next; the ‘Load an ini File’ screen opens; see Figure 29.
You can now choose to either: Click Cancel; the device resets utilizing the cmp, ini and all other configuration files that were previously stored in flash memory. Note that these are NOT the files you loaded in the previous Wizard steps. Click Reset; the device resets, utilizing the new cmp and ini file you loaded up to now as well as utilizing the other configuration files. Click Back; the ‘Load a cmp file’ screen is reverted to; see Figure 27.
Figure 31 FINISH Screen Figure 32 ‘End Process’ Screen 9 52 Click the End Process button; the ‘Quick Setup’ screen appears and the full Web application is reactivated.
Updating the Auxiliary Files The auxiliary files are configuration dat files that are loaded to the gateway (in addition to the ini file) to enable enhanced gateway provisioning. The following common auxiliary files are available: coefficient, Voice Prompts (MGCP only) and Call Progress Tones (CPT). For information on additional auxiliary files, refer to the V7111 User’s Manual. Table 13 presents a brief description of the ini file and of each auxiliary file.
Figure 33 Auxiliary Files Screen (MGCP Gateways) To save the loaded auxiliary files to flash memory, follow these 2 steps: 1 Click the Save Configuration button on the main menu bar; the ‘Save Configuration to the Flash Memory’ screen is displayed. Saving an auxiliary file to flash memory may disrupt traffic on the device. To avoid this, disable all traffic on the device before saving to flash memory.
To reset the V7111, follow these 2 steps: 1 Click the Reset Device button on the main menu bar; the ‘Reset’ screen is displayed. 2 Click the Reset button in the middle of the screen; the auxiliary files are saved into flash and the V7111 restarts. This takes approximately 2 minutes to complete. When the V7111 has finished restarting, the Power and Ready LEDs on the front panel are lit green.
3Com VCX V7111 Analog Gateway Installation Guide
CHAPTER 8: REGULATORY INFORMATION V7111 FXS Regulatory Information Declaration of Conformity Application of Council Directives: 73/23/EEC (including amendments), 89/336/EEC (including amendments), Standards to which Conformity is Declared: EN55022: 1998, Class B EN55024:1998 EN61000-3-2: 1995 (including amendments A1: 1998, A2: 1998, A14: 2000) EN61000-3-3: 1995 EN60950-1: 2001 Manufacturer’s Name: 3Com Ltd. Manufacturer’s Address: 1 Hayarden Street, Airport City, Lod 70151, Israel.
French Par la présente [3Com Ltd] déclare que l'appareil [V7111/FXS Series] est conforme aux exigences essentielles et aux autres dispositions pertinentes de la directive 89/336/EEC, 73/23/EEC German Hiermit erklärt [3Com Ltd], dass sich dieser/diese/dieses [V7111/FXS Series] in Übereinstimmung mit den grundlegenden Anforderungen und den anderen relevanten Vorschriften der Richtlinie 89/336/EEC, 73/23/EEC befindet".
Safety Notice Installation and service of this unit must only be performed by authorized, qualified service personnel. To avoid risk of fire use 26AWG or higher wiring to connect the FXS telecom ports.
V7111 FXO Regulatory Information Declaration of Conformity Application of Council Directives: 73/23/EEC (including amendments), 89/336/EEC (including amendments), 1999/5/EC Annex-II of the Directive Standards to which Conformity is Declared: EN55022: 1998, Class B EN55024:1998 EN61000-3-2: 1995 (including amendments A1: 1998, A2: 1998, A14: 2000) EN61000-3-3: 1995 EN60950-1: 2001 TBR-21: 1998 Manufacturer’s Name: 3Com Ltd. Manufacturer’s Address: 1 Hayarden Street, Airport City, Lod 70151, Israel.
Hungarian Alulírott, [3Com Ltd] nyilatkozom, hogy a [MP-1xx/FXO Series] megfelel a vonatkozó alapvetõ követelményeknek és az 1999/5/EC irányelv egyéb elõírásainak Icelandic æki þetta er í samræmi við tilskipun Evrópusambandsins 1999/5 Italian Con la presente [3Com Ltd] dichiara che questo [MP-1xx/FXO Series] è conforme ai requisiti essenziali ed alle altre disposizioni pertinenti stabilite dalla direttiva 1999/5/CE.
FXO Only: The Ringer Equivalence Number (REN) for this terminal is 0.5. The REN assigned to each terminal equipment 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 Ringer Equivalence Number of all devices do not exceed five. Network Compatibility The products support the Telecom networks in EU that comply with TBR21.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help.
V7111 FXS +FXO Regulatory Information Declaration of Conformity Application of Council Directives: 73/23/EEC (including amendments), 89/336/EEC (including amendments), 1999/5/EC Annex-II of the Directive Standards to which Conformity is Declared: EN55022: 1998, Class B EN55024:1998 EN61000-3-2: 1995 (including amendments A1: 1998, A2: 1998, A14: 2000) EN61000-3-3: 1995 EN60950-1: 2001 TBR-21: 1998 Manufacturer’s Name: 3Com Ltd.
German Hiermit erklärt [3Com Ltd], dass sich dieser/diese/dieses [V7111/FXS-FXO Series] in Übereinstimmung mit den grundlegenden Anforderungen und den anderen relevanten Vorschriften der Richtlinie 89/336/EEC, 73/23/EEC; 1999/5/ES befindet".
Telecommunications Safety The safety status of each port on the gateway is declared and detailed in the table below: Ports Safety Status Ethernet (100 Base-T) SELV FXS TNV-3 FXO TNV-3 TNV-3: Circuit whose normal operating voltages exceeds the limits for an SELV circuit under normal operating conditions and on which over voltages from Telecommunication Networks are possible. SELV: Safety extra low voltage circuit.
V7111 24-PORT Declaration of Conformity Application of Council Directives: 73/23/EEC (including amendments), 89/336/EEC (including amendments), Standards to which Conformity is Declared: EN55022: 1998, Class A EN55024:1998 EN61000-3-2: 1995 (including amendments A1: 1998, A2: 1998, A14: 2000) EN61000-3-3: 1995 EN60950: 1992 Including amendments 1,2,3,4 and 11 Manufacturer’s Name: 3Com Ltd. Manufacturer’s Address: 1 Hayarden Street, Airport City, Lod 70151, Israel.
Greek ΜΕ ΤΗΝ ΠΑΡΟΥΣΑ [3Com Ltd] ΔΗΛΩΝΕΙ ΟΤΙ [V7111 24-PORT] ΣΥΜΜΟΡΦΩΝΕΤΑΙ ΠΡΟΣ ΤΙΣ ΟΥΣΙΩΔΕΙΣ ΑΠΑΙΤΗΣΕΙΣ ΚΑΙ ΤΙΣ ΛΟΙΠΕΣ ΣΧΕΤΙΚΕΣ ΔΙΑΤΑΞΕΙΣ ΤΗΣ ΟΔΗΓΙΑΣ 89/336/EEC, 73/23/EEC Hungarian Alulírott, [3Com Ltd] nyilatkozom, hogy a [V7111 24-PORT] megfelel a vonatkozó alapvetõ követelményeknek és az 89/336/EEC, 73/23/EEC irányelv egyéb elõírásainak Icelandic æki þetta er í samræmi við tilskipun Evrópusambandsins 89/336/EEC, 73/23/EEC Italian Con la presente [3Com Ltd] dichiara che questo [V7111 24-PORT] è co
Telecommunication Safety The safety status of each port on the gateway is declared and detailed in the table below: Ports Safety Status Ethernet (100 Base-TX) SELV FXS (ODP P/N’s) TNV-3 FXS TNV-2 TNV-3: Circuit whose normal operating voltages exceeds the limits for an SELV circuit under normal operating conditions and on which over voltages from Telecommunication Networks are possible TNV-2: Circuit whose normal operating voltages exceeds the limits for an SELV circuit under normal operating conditi
3Com VCX V7111 Analog Gateway Installation Guide
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