DQ Technology M505 ADSL2+ 4 PORT WIRELESS MODEM W/USB User Manual

DQ Technology, Inc. ADSL2+ 4 PORT WIRELESS MODEM W/USB Users Manual

Contents

USERS MANUAL 2

Manual Ver1.0 5.8 - Internet Time The M505 can synchronize its internal time with an Internet time server when available. To enable this function, check 揂utomatically synchronize with Internet time servers? Select First and Second NTP time server from the pull down menu. Or select 揙ther?and define your preferred NTP server. Choose the time zone from 揟ime zone offset? Click on 揝ave/Apply?to save the configuration. Figure 45. Advanced Setup - Internet Time 5.9 - Access Control Services ServicesThe M505 browser management tool is protected by three categories: Services, IP addresses, and Passwords. All three must be matched (if configured) to gain access to the management tool. All services are enabled from LAN side and disabled from WAN side by default. - 40 -
Manual Ver1.0 Figure 46. Advanced Setup - Access Control - Service IP Addresses The IP Address Access Control mode, if enabled, permits access to local management services from IP addresses contained in the Access Control List. If the Access Control mode is disabled, the system will not validate IP addresses for incoming packets. The services are the system applications listed in the Service Control List. Click 揂dd?to add an IP address to the Access Control List. To remove, mark the Remove option of the specified IP address, then click 揜emove?to remove the IP address from the Access Control List. Up to 16 hosts can be configured here. - 41 -
Manual Ver1.0 Figure 47. Advanced Setup - Access Control ?IP Addresses Passwords Access to your router is controlled through three user accounts: admin,support, and user. admin: has unrestricted access to change and view the M505 configuration. support: is used to allow an ISP technician to access the M505 for maintenance and to run diagnostics.user: can access the M505 to view configuration settings and statistics, as well as, update the M505 software. Use the fields below to enter up to 16 characters and click 揝ave/Apply?to change or create passwords. - 42 -
Manual Ver1.0 Figure 48. Advanced Setup - Access Control ?Passwords 5.10 - IPSec The M505 also have the ability to create a VPN (Virtual Private Network) tunnel using IPSec as the security measure. VPN allows user to remotely connect to a network using their Broadband connection. Please refer to your ISP and Network Administrator for detail settings regarding VPN IPSec. Figure 49. Advanced Setup ?IPSec - 43 -
Manual Ver1.0 Click the 揂dd?button create a new VPN connection Figure 50. Advanced Setup ?IPSec Add5.11 - Certificate This page allows user to authenticate their VPN session using certificate. Some VPN network requires this. There are two sections: Local and Trusted CA. LOCAL option: A maximum of 4 certificates are supported. You can either import or send a request for certificates. - 44 -
Manual Ver1.0 Figure 51. Advanced Setup - Certificates Figure 52. Advanced Setup ?Local ?Create Certificate Figure 53. Advance Setup ?Certificates ?Local Import Trusted CA option: This is used to verify peer certificates. Please click on 揑mport Certificate?to proceed. - 45 -
Manual Ver1.0 Figure 54. Advanced Setup ?Certificates- Trusted CA Figure 55. Advanced Setup ?Certificates - Trusted CA ?Import Certificate - 46 -
Manual Ver1.0 6. Wireless Setup Some basic understanding of 802.11b/g wireless technology and terminology is useful when you are setting up the Router or any wireless access point. If you are not familiar with wireless networks please take a few minutes to learn the basics. Wireless client requirements All wireless client adapters compliant to 802.11g and/or 802.11b can communicate with the M505 LAN environment. However, be aware that only 802.11g compliant wireless clients are able to gain full profit of the 54 Mb/s (Max) bandwidth delivered by the M505. It is highly recommended to use only wireless client adapters that are Wi-Fi?certified to ensure smooth interoperability with the M505抯 WLAN. Radio Transmission Wireless LAN or WLAN devices use electromagnetic waves within a broad, unlicensed range of the radio spectrum to transmit and receive radio signals. When a wireless access point is present, it becomes a base station for the WLAN nodes in its broadcast range. WLAN nodes transmit digital data using FM (frequency modulation) radio signals. WLAN devices generate a carrier wave and modulate this signal using various techniques. Digital data is superimposed onto the carrier signal. This radio signal carries data to WLAN devices within range of the transmitting device. The antennae of WLAN devices listen for and receive the signal. The signal is demodulated and the transmitted data extracted. The transmission method used by the access point is called Direct Sequence Spread Spectrum (DSSS) and operates in a range of the radio spectrum between 2.4GHz and 2.5GHz for transmission. AntennasDirect the external antenna to allow optimization of the wireless link. If for example the antenna is erect, wireless links in the horizontal plane are favored. Please note that the antenna characteristics are influenced by the environment that is by reflections of the radio signal against walls or ceilings. It is advisable to use the received signal strength as indicated by the wireless client manager to optimize the antenna position for the link to a given client. Concrete walls weaken the radio signal and thus affect the connection. - 47 -
Manual Ver1.0 Wireless Range Range should not be a problem in most homes or small offices. If you experience low or no signal strength in some areas, consider positioning the Router in a location between the WLAN devices that maintains a roughly equal straight-line distance to all devices that need to access the Router through the wireless interface. Adding more 802.11g access points to rooms where the signal is weak can improve signal strength. Read the section about placement of the Router titled Location in the next chapter, Hardware Installation, for more information. SSIDWireless networks use an SSID (Service Set Identifier) to allow wireless devices to roam within the range of the network. Wireless devices that wish to communicate with each other must use the same SSID. Several access points can be set up using the same SSID so that wireless stations can move from one location to another without losing connection to the wireless network. The M505 operates in Infrastructure mode. It controls network access on the wireless interface in its broadcast area. It will allow access to the wireless network to devices using the correct SSID after a negotiation process takes place. By default the M505 broadcasts its SSID so that any wireless station in range can learn the SSID and ask permission to associate with it. Many wireless adapters are able to survey or scan the wireless environment for access points. An access point in Infrastructure mode allows wireless devices to survey that network and select an access point with which to associate. You may disable SSID broadcasting in the web manager抯 wireless menu. Radio channels The 802.11g standard allows several WLAN networks using different radio channels to be co-located. The M505 supports multiple radio channels and is able to select the best radio channel at each startup. You can choose to set the channels automatically or manually. The different channels overlap. To avoid interference with another access point, make sure that the separation (in terms of frequency) is as high as possible. It is recommended to keep at least 3 channels between 2 different access points. - 48 -
Manual Ver1.0 The M505 supports all channels allowed for wireless networking. However, depending on local regulations, the number of channels actually allowed to be used may be additionally restricted, as shown in the table below. Regulatory Domain Allowed Radio Channels China 1 to 13 Europe 1 to 13 Israel 5 to 8 Japan 1 to 14 Jordan 10 to 13 Thailand 1 to 14 USA / Canada 1 to 11 Wireless Security Various security options are available on the M505 including open or WEP, 802.1x, WPA, WPA-PSK, WPA2 and WPA2-PSK. Authentication may use an open system or a shared key. For details on these methods and how to use them, please read the wireless LAN configuration information in Section 3.5.3 (Wireless Security Configuration). About 802.11g Wireless 802.11b is an IEEE standard, operating at 2.4 GHz at a speed of up to 11 Mb/s. 802.11g, a newer IEEE standard also operating at 2.4 GHz, gives you up to 54 Mb/s speed, more security and better performance. Today's 11-megabits-per-second 802.11b wireless networks are fine for broadband Internet access (which typically tops out at about 1 mbps) but rather slow for large internal file transfers or streaming video. However, 54-mbps, corporate-oriented 802.11a is expensive and because its radio uses the 5-GHz band and 802.11b uses the 2.4-GHz band, upgrading to an 802.11a network means either scrapping 802.11b gear or buying even-pricier hardware that can support both standards. But 802.11g promises the same speed as 802.11a and the ability to coexist with 802.11b equipment on one network, since it too uses the 2.4-GHz band. 802.11g is an extension to 802.11b, the basis of many wireless LANs in existence today. 802.11g will broaden 802.11b's data rates to 54 Mbps within the 2.4 GHz band using OFDM (orthogonal frequency division multiplexing) technology. Because of backward compatibility, an 802.11b radio card will interface directly with an 802.11g access point (and vice versa) at 11 Mbps or lower depending on range. - 49 -
Manual Ver1.0 6.1 - Basic This page allows you to configure basic features of the wireless LAN interface. You can enable or disable the wireless LAN interface, hide the network from active scans (no broadcasting of your network name), set the wireless network name (also know as SSID), and restrict the channels based on nation抯 requirements. Check 揈nable Wireless?to enable wireless radio; or uncheck to disable. 揝SID?is the network name shared among all devices in a wireless network. Figure 56. Wireless Setup - Basic6.2 ?Security Four types of wireless security are provided: Shared (WEP), 802.1x, WPA/WPA2, and WPA/WPA2-PSK. WEP WEP (Wired Equivalent Privacy) provides security by encrypting data over radio waves when data is transmitted from one end point to another. WEP is the weakest security method but the easiest one to configure. To enable WEP, select the following items step by step:Network Authentication: Shared Data Encryption: Enabled - 50 -
Manual Ver1.0 Encryption Strength: 128-bit (recommended for better security) or 64-bit Click 揝et Encryption Key?to enter your WEP keys. Figure 57. Wireless Setup ?Security ?WEPFour keys for both encryption strengths can be stored here. Enter 13 ASCII characters or 26 hexadecimal digits for 128-bit encryption keys. Enter 5 ASCII characters or 10 hexadecimal digits for 64-bit encryption keys. Select which key (1 ~ 4) to use from 揅urrent Network Key? Click 揝ave/Apply?to save the configuration. 802.1X802.1X addresses the WEP weakness by adding user authentication, via RADIUS server. So you need to have your RADIUS server up and running before using 802.1X. To enable 802.1X, select ?02.1X?in 揘etwork Authentication? Enter your RADIUS server IP address, port number (default: 1812), and key. Follow the WEP security section to configure your WEP key and select 揝ave/Apply?to save your configuration. - 51 -
Manual Ver1.0 Figure 58. Wireless Setup ?Security ?802.1XWPA/WPA2 WPA (Wi-Fi Protected Access) is the strongest wireless security provided by the M505. Like 802.1X, WPA must co-work with RADIUS server as well. To enable WPA, select the following items step by step: Network Authentication: WPA/WPA2 WPA Group Rekey Interval: in seconds. Default: 0 (no re-keying). RADIUS Server IP Address/Port/Key: must match your RADIUS server. WPA Encryption: TKIP (select AES or TKIP+AES for WPA2). Check your supplicant capability before you decide which one to use. - 52 -
Manual Ver1.0 Figure 59. Wireless Setup ?Security ?WPA WPA/WPA2-PSK WPA-PSK lets you take advantage of WPA without the hassle of setting up your own RADIUS server. To enable WPA-PSK, select 揥PA-PSK?in 揘etwork Authentication? Enter 8 to 63 ASCII codes or 64 hexadecimal (0~9, A~F) digits in 揥PA Pre-Shared Key? Click 揝ave/Apply?to save the configuration. *Note ?You must also input the WPA Pre-Shared Key on the client side (i.e. Wireless Laptop, Desktop, Game Consoles, etc.) to be able to connect to the modem. Please contact the manufacturer of your device for more information. - 53 -
Manual Ver1.0 Figure 60. Wireless Setup ?Security ?WPA-PSK - 54 -
Manual Ver1.0 6.3 ?MAC Filter Wireless MAC filter allows you to implement access control based on device抯 MAC address.When you select 揂llow?in 揗AC Restrict Mode? only data from devices with matching MAC addresses in filter table can access the M505. If you select 揇eny?in 揗AC Restrict Mode? every device can access the M505 except those which have matching MAC addresses in the filter table. To add filter entry, click on 揂dd?and enter the MAC address of the M505. Click 揝ave/Apply?to save the configuration. To 揹elete?the entry, select the entry and click 揜emove? Figure 61. Wireless Setup ?MAC Filter6.4 ?Wireless Bridge Wireless Bridge (also known as Wireless Distribution System) can bridge data between two APs, which is particularly useful while wired cabling is not available. Note: only APs in same channel can be bridged. AP Mode: Wireless Bridge- listens and answers other APs only - 55 -
Manual Ver1.0 Access Point- Wireless Bridge also with AP functionality Bridge Restrict: Disabled- any AP will be granted access Enabled- only selected APs (Max. 4) with specified MAC address will be granted access Enabled (Scan)- as above, but the M505 will scan available AP for you to select.Refresh: re-scan the available AP Save/Apply: save the configuration Figure 62. Wireless ?Wireless Bridge 6.5 - Advanced System In most cases, M505 work well with wireless default settings. Modification is not recommended unless you are very familiar with these parameters. Channel: Select the appropriate channel from the provided list to correspond with your network settings. All devices in your wireless network must use the same channel in order to function correctly. Default: 11.Rate: The range is from 1 to 54Mbps. The data transmission rate should be set according to the speed of your wireless network. You can set one transmission speed, or - 56 -
Manual Ver1.0 keep the default setting 揂uto?to have the router automatically detect the fastest possible data rate. Basic Rate Set: Select the basic rate that wireless clients must support. Fragmentation: This value should remain at its default setting of 2346. The range is 256-2346 bytes. This value specifies the maximum packet size before data is fragmented into multiple packets. If you experience a high packet error rate, you may slightly lower the Fragmentation value. Setting the Fragmentation too low may result in poor network performance. Only slight adjustment of this value is recommended. RTS Threshold: This value should remain at its default setting of 2347. The range is 0-2347 bytes. Should you encounter inconsistent data flow, only slight adjustment of this value is recommended. If a network packet is smaller than the preset RTS threshold size, the RTS/CTS mechanism will not be enabled. M505 sends Request to Send (RTS) frames to a particular receiving station and negotiates the transmission of a data frame. After receiving an RTS, the wireless station responds with a Clear to Send (CTS) frame to acknowledge the right to begin transmission. DTIM Interval: This value, between 1 and 255 milliseconds, indicates the interval of the Delivery Traffic Indication Message (DTIM). A DTIM interval is a countdown field which is used to inform clients about the next window for listening to broadcast and multicast messages. When M505 has buffered broadcast or multicast for associated clients, it sends the next DTIM with a DTIM Interval value. Its clients hear the beacons and awaken to receive the broadcast and multicast message. Default: 3.Beacon Interval: Enter a value between 1 and 65535 milliseconds. The Beacon Interval indicates the frequency interval of the beacon. A beacon is a packet broadcast by M505 to synchronize the wireless network. Default: 100.54g Mode: There are 3 selections. Select 54g Auto for the widest compatibility. Select 54gPerformance for the fastest performance. Select 54g LRS if you are experiencing difficulty with legacy 802.11b equipment. 54g protection: In Auto mode, M505 will use RTS/CTS to improve 802.11g performance in mixed 802.11g/802.11b network. Turn off protection to maximize 802.11g throughput under most conditions. - 57 -
Manual Ver1.0 Figure 63. Wireless Setup ?Advanced 6.6 ?Station Info This page shows authenticated wireless stations and their status. - 58 -
Manual Ver1.0 - 59 -
Manual Ver1.0 7. Management Utilities 7.1 - Backup Settings System Administrator can do the M505 settings backup, update, and restore default here. The settings can be saved from M505 to PC. The saved setting file can also be loaded from PC to M505. These 2 functions can help the system administrator to manage large amount of M505 efficiently. Restore Default would set the M505 with the factory default configuration.To backup the current configurations, click on 揃ackup Settings? and a File Download window will pop up. Figure 64. Management Utilities ?Backup SettingsClick on 揝ave?and select the destination of the backup file (backupsettings.cfg) in your local PC. Click on 揝ave?again to save your backup file. - 60 -
Manual Ver1.0 Figure 65. Management Utilities ?Backup Settings ?File Download 7.2 - Update Backup Settings To update the configuration, click on 揃rowse?and a Choose-File-window will pop up. Locate the saved file and click on 揢pdate Backup Settings? The M505 will modify its settings based on the update file. Figure 66. Management Utilities ?Update Settings - 61 -
Manual Ver1.0 7.3 - Restore Settings To restore the router to its factory default settings, click on 揜estore Default Settings? Figure 67. Management Utilities?Restore Default Settings 7.4 - Update Firmware The new software could be updated from the Local PC connected to M505 via Ethernet cable. Click on 揃rowse?to locate the new software image file in the PC. And then Click on 揢pdate Software?to proceed with the software update. Note: The update process takes about 2 minutes to complete, and your M505 will rebootautomatically. - 62 -
Manual Ver1.0 Figure 68. Management Utilities ?Update Software 7.5 - TR069 Server This feature allows your Internet Service Provider抯 ACS (Auto Configuration Server) to provision your M505 remotely. Actions such as configuring the modem settings, diagnostic, and collecting data can be accomplish with this feature. The information for the settings to be entered in the fields must be provided by your Internet Service Provider. Figure 69. Management Utilities ?TR069 Server - 63 -
Manual Ver1.0 7.6 - Save/Reboot Click 揜eboot Router?to reboot M505. The M505 would automatically save the configuration before reboot, so that modified settings would take effect after reboot. Figure 70. Management Utilities ?Save / Reboot7.7 - System Log This allows System Administrator to view the System Log and configure the System Log options. - 64 -
Manual Ver1.0 Figure 71. Management Utilities ?System Log Click on 揅onfigure System Log?to configure the log options. There are 8 events of 揕og Level?and 揇isplay Level? Emergency, Alert, Critical, Error, Warning, Notice,Informational, and Debugging. If the log mode is enabled, the system will begin to log all the selected events. For the Log Level, all events above or equal to the selected level will be logged. For the Display Level, all logged events above or equal to the selected level will be displayed. If the selected mode is 揜emote?or 揃oth? events will be sent to the specified IP address and UDP port of the remote syslog server. If the selected mode is 揕ocal?or 揃oth? events will be recorded in the local memory. Click on 揝ave/Apply?to save the configuration. - 65 -
Manual Ver1.0 Figure 72. Management Utilities ?System Log ConfigurationClick on 揤iew System Log?to see the router log based on your configuration - 66 -
Manual Ver1.0 8. Connection Status 8.1 - LAN This page displays the status of packets transmitted and received on the M505 LAN interfaces. Figure 73. Connection Status ?LAN 8.2 - WAN The WAN Connection Status is broken into 2 parts: 1.Connection ?Information concerning the WAN protocol currently in used by the M505 to connect to the Internet. In the figure below: The modem is currently in PPPoE mode, IGMP option is disabled, No Quality of Service is used, the PPPoE connection is Up and the WAN IP address that the modem receives from the Internet Service Provider Equipment. 2.Status 朓nformation concerning Packets Received and Transmitted on the WAN side based on the Protocol used by the M505 (example shows PPPoE connection). - 67 -
Manual Ver1.0 Figure 74. Connection Status ?WAN ConnectionFigure 75. Connection Status ?WAN Status - 68 -
Manual Ver1.0 8.3 - ATM This page displays the statistics of M505 ATM interface (including AAL5). Figure 76. Connection Status ?ATM 8.4 - ADSL This page displays the M505 ADSL connection information and status, such as Rate (Kbps), SNR, ES (Error Second)卐tc. This information is useful when there are problems with your ADSL connection (The M505 DSL LED light does not stay solid for example) - 69 -
Manual Ver1.0 Figure 77. Connection Status ?ADSL8.5 - Route This page displays the M505 routing table. - 70 -
Manual Ver1.0 Figure 78. Connection Status ?Route 8.6 - ARP (Address Resolution Protocol) This page displays the M505 ARP table. Figure 79. Connection Status ?ARP 8.7 - DHCP This page displays the lease time for PC抯 or devices connected to the router - 71 -
Manual Ver1.0 Figure 80. Connection Status - DHCP 8.8 - Summary This page displays the summary of the M505 hardware, software and connection information. Line Rate shows the speed that you are currently connected to your ISP. In the figure below the M511 is currently connected at a Download speed of 3000 Kbps or 3 Mbps with an Upload speed of 512 Kbps or 0.5 Mbps. MAC address and LAN IP address of the M505. Gateway and DNS information is also shown. Figure 81. Connection Status - Summary - 72 -
Manual Ver1.0 9. Diagnostics and Help This page allows users to test the Ethernet port connection, DSL port connection, and connection to the Internet Service Provider. If a test displays a fail status, click 揜eturn Diagnostic Tests?at the bottom of the page to make sure the fail status is consistent. If the test continues to show fail, click 揌elp?to go to through the troubleshooting procedures. Figure 82. Diagnostics and Help - 73 -
Manual Ver1.0 10. Appendix A ?Specifications A1. Hardware Specifications Local Interface Four 10/100BaseT Ethernet port (IEEE 802.3, RJ-45 connector) One USB 1.1 port (M505 only) Wireless Antenna (Supports both B/G mode) WAN ADSL Line Interface Complies with G.dmt (G.992.1) Annex A Complies with G.lite (G.992.2) and T1.413 Complies with ADSL2 (G.992.3) Complies with ADSL2+ (G.992.5) Connector: RJ-11 OAM&P Remote: Telnet or Web browser Environment Operation Temperature: 0 C ~ 40 C Operation Humidity: 10% ~ 95% Storage Temperature: -20 ~ 70 C Storage Humidity: 5%~95% Power AC Adapter :Input 100-240V AC50/60Hz; Output 12VDC 2A Certificates FCC Part 68 and 15 Class B, UL A2. Software Specifications ATM ATM Cell over ADSL, AAL5 Supports UBR, CBR & VBR-nrt VPI Range (0-255) and VCI range (1-65535) Supports up to 8 PVCs Supports OAM F4/F5, and loop back cells Payload Encapsulation -- RFC2684 (RFC1483), multi-protocol over ATM RFC2364, PPP over ATM (CHAP and PAP supported) RFC2516, PPPoE (PPP over Ethernet) over ATM Bridging Transparent Bridging (IEEE 802.1D) RFC2684 (RFC1483) Bridged Spanning Tree Protocol (IEEE 802.1D) Bridge Filtering Routing IP Address Forwarding MAC Encapsulated Routing Routing Information Protocol (RIP) v1, v2 DHCP Client (to the DSL network)DHCP relay agent NAT/PAT ?RFC1631 (basic Firewall support) Support Point-to-Point Protocol (PPP) PAP for user authentication - 74 -
Manual Ver1.0 RFC2684 (RFC1483) Routed DNS relay UPnP IGMP-Proxy Configuration and Network Management DHCP server for IP management HTTP (Web Server) for configuration and firmware upgrade TFTP Server FTP Server Firewall NAT ALGs IPSEC pass-through Ping of Death SYN Flood LAND Protection against IP and MAC address spoofing Packet Filtering Stateful Packet Inspection (SPI) UPnP NAT Traversal - 75 -
Manual Ver1.0 11. Appendix B ?Warranties B1. Limited Warranty This guarantee is not transferable and does not include service, repair, or replacement to correct any damage caused by improper installation or maintenance, improper connection with any peripheral, external electrical fault, accident, disaster, misuse, abuse, or modifications to the DSL modem not approved in writing by DQ Technology. For a period of two (2) years from the date of purchase, DQ Technology guarantees that all VisionNet DSL Customer Premises Equipment products are free from defective material and workmanship, and during the guaranty period, subject to the conditions set forth below, agrees to repair or replace any part of a product that proves defective by reason of improper workmanship or materials without charge for parts and labor. Repair parts or replacement products will be furnished on an exchange basis and will be either new or refurbished to be functionally equivalent to new. Refunds are not offered for any product. In no event will DQ Technology抯 liability exceed the price paid for the product from consequential, incidental direct, indirect or special damages arising from the purchase, use, or inability to use this product or accompanying software and documentation, even if DQ Technology has been advised of the possibility of such damages. You must call DQ Technology抯 customer support center to receive an RMA number prior to returning the product. The product should be shipped to a service center location provided by your customer support representative along with a copy of your sales slip, the product serial number, and a detailed description of the problem(s) you are experiencing. DQ Technology makes no warranty or representation, expressed, implied, or statutory, with respect to its products or the contents or use of this documentation, accompanying software, and specifically disclaims its quality, performance, merchantability, or fitness for any particular purpose. DQ Technology reserves the right to modify its products, software, or documentation without obligation to notify any individual or entity. For more information on return procedures, please visit: www.dqusa.comIf you experience any difficulty during installation or subsequent use of Products, please contact your service provider or DQ Technology抯 Support Center at 1-866-286-XDSL or email techctr@dqusa.com. - 76 -
Manual Ver1.0 C2. UL Safety Regulations Disconnect TNV circuit connector or before removing cover or equivalent. Disconnect TNV circuit connector(s) before disconnecting power. Do not use this product near water for example, near a bathtub, washbowl, and kitchen sink or laundry tub, in a wet basement, or near a swimming pool. Avoid using a telephone (other than a cordless type) during an electrical storm. There may be a remote risk of electric shock from lightening. Do not use the telephone to report a gas leak in the vicinity of the leak. Use only the power cord batteries indicated in this manual. Do not dispose of batteries in a fire, as they may explode. Check with local codes for possible special disposal instructions. No. 26 AWG Telephone Line Cord shall either be provided with the equipment or shall be described in the safety instruction. If fuse (F1) is not present, see the caution statement listed below: CAUTION: To reduce the risk of fire, use only No. 26 AWG or larger UL Listed or CSA Certified Telecommunication Line Cord. - 78 -
Manual Ver1.0 Contact Information You can help us to serve you better by sending us your comments and feedback. Listed below are the addresses, and telephone and fax numbers of our offices. You can also visit us on the World Wide Web at www.dqusa.com for more information. We look forward to hearing from you! World Headquarters 5111 Johnson Dr. Pleasanton, CA 94588 Tel: (925) 730-3940Fax: (925) 730-3950 info@dqusa.comTechnical Support (866) 286-xDSL (9375) support@dqusa.com - 79 -

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