Paradyne 1740 SHDSL manual

1740 SHDSL 2/4-Wire Router User’s Guide Document Number 1740-A2-GB20-00 July 2004[...]

1740 SHDSL 2/4-Wire Router User’s Guide Copyright © 2004 Paradyne Co rpo ration. All rights reserved. Printed in U.S.A. Notice This publication is protected by fede ral copyright la w. No part of this publication may be copie d or distributed, transmitted, tr anscribed, stored in a retrieval system, or tran slated into any human or computer lang[...]

1740 SHDSL 2/4-Wire Router User’s Guide Preface This manual is designed to pro vide info rmation to netwo rk a dministrators. It covers the installation, operation and applications of the 1740 S HDS L router. Warning  Bef ore servicing or disassemblin g this equipmen t, alwa ys di sconnect all po w er and telephone lines from the wall outlet. [...]

1740 SHDSL 2/4-Wire Router User’s Guide T T A A B B L L E E O O F F C C O O N N T T E E N N T T S S CHAPTER 1 OVERVIEW ...................................................................... 7 1.1 Application...................................................................................................... 7 1.2 LED Indicators..................[...]

1740 SHDSL 2/4-Wire Router User’s Guide 5.2 Disable SNMP ................................................................................................ 36 CHAPTER 6 PACKET FILTER ............................................................. 37 6.1.1 Add a P acket F ilter entry ....................................................................[...]

1740 SHDSL 2/4-Wire Router User’s Guide 16.1.4 P assword Setup ....................................................................................... 70 16.1.5 R etrieve the F actory Default Settings .......................................................... 70 16.1.6 Disable the W e b Browser ....................................................[...]

1740 SHDSL 2/4-Wire Router User’s Guide CHAPTER 1 Overview The 1740 SHDSL router satisfies the need s of mult iple users in small/home offices and remote/branch offices. It provides sy mmetrical tr ansmission speeds of up to 4.6 Mbps throu gh a SHDSL connection, over a two-wire or four-wire line. In addition, it support s up to 16 virtual concurr[...]

1740 SHDSL 2/4-Wire Router User’s Guide 1.2 LED Indicators There are eight LEDs on the front pan el of the router; the functions of the LEDs are de scribed in the table below. Figure 1-1 Fac eplate LED Indica tors LED Color Mode Function On Power is supplied POWER Green Off Power is not supplied Off No data transmitted or re ceived over the Ether[...]

1740 SHDSL 2/4-Wire Router User’s Guide CHAPTER 2 Installation 2.1 Preparing for Hardware In stallation The following equipment may be necessary to install the ro uter:  A C power adapter A power adapter is shippe d with the ro uter.  LAN connection cable To connect to the hub, use a stra ight-thr ough RJ45 cable. To connect to a PC, use a [...]

1740 SHDSL 2/4-Wire Router User’s Guide 2.2 Rear-panel Connections DSL connection Connect the supplied RJ45 cabl e to the port marke d LINE at the back of the SHDSL router. Connect the other end of the cable to your telephone -line wall out let. Ensure your computer i s turn ed on b efore you connect the DSL line to the router. A green LED on t h[...]

1740 SHDSL 2/4-Wire Router User’s Guide CHAPTER 3 Quick Installation This section describes ho w to mana ge the router vi a the Web bro wser from the remote end. The Web page is best read with a display re solutio n of 1024 x 768. To change the resolution, go to the Microsoft Windows Control Panel and click o n the Display icon. You will find the[...]

1740 SHDSL 2/4-Wire Router User’s Guide STEP 5: After successfull y logging in, y ou will reach the main configuration page . The left hand side has a menu and the right side is b lank. 12 July 2004 1740-A2-GB20-00[...]

1740 SHDSL 2/4-Wire Router User’s Guide 3.1.2 Web Page Layout On each Web page, there are two areas.  Menu Bar: On the left side of the W eb page is the menu bar . It is divided into two par ts: Basic and Adva nced. The Basic menu bar sets up the de vice fo r quic k setup. The Advanced menu bar configures adv ance functions such as SNMP , DHCP[...]

1740 SHDSL 2/4-Wire Router User’s Guide 3.1.3 Monitoring the SHDSL Line Click Link Status on the Basic menu bar. The Lin k Status screen has two tabs: SHDSL Status and Performance. SHDSL Status is u sed to monitor the S HDSL link and the Performance is used to monitor the SHDSL performance. The following is the screen after clickin g the [Perform[...]

1740 SHDSL 2/4-Wire Router User’s Guide 3.2 WAN Interface Configuration The router supports 16 AT M interfaces. A virtual chan nel (VC) can be configu red for each ATM interface such as ATM1 to VC1, ATM 2 to VC2, and so on. Each VC can be specified with a proto col, which can be RFC 1483 bridged, RFC 1483 R outed, PPPoE, or PPPoA. By default, VC1[...]

1740 SHDSL 2/4-Wire Router User’s Guide 3.2.1 Bridge Mode: Service fo r On e Fixed IP Address To configure one static IP address, you need to set up the VC in RFC 1483 bri dged mode. The router has a default Virtual Channel (VC) of 0/33. It can function without other modifications. STEP 1: Clic k W AN Setup on the Basic men u bar , and enter v a [...]

1740 SHDSL 2/4-Wire Router User’s Guide To modify the VC, click a VC from the Current AT M PVC List to display the parameters of the VC. Change its parameters and click on the Modify button. 1740-A2-GB20-00 July 2004 17[...]

1740 SHDSL 2/4-Wire Router User’s Guide 3.2.2 Router Mode: Service for Five Static IP Addresses To set up the service for five static IP addre s se s, you need to set up the VC in RFC 1483 Routed mode. STEP 1: Clic k WA N Setup on the Basi c men u bar . STEP 2: Enter v alues f or : VPI, VCI, Encaps ul ation (LLC or VC MUX), Enab le NAPT . VPI Ent[...]

1740 SHDSL 2/4-Wire Router User’s Guide STEP 4: Clic k on the Add b utton. Th e new VC is added in the Current A TM PVC List on the bottom screen. To modify the VC, click a VC from the Current AT M PVC List to display the parameters of the VC. Change its parameters and click on the Modify button. 1740-A2-GB20-00 July 2004 19[...]

1740 SHDSL 2/4-Wire Router User’s Guide After creating an RFC 1483 Route d VC, click LAN Setup to set up the route r’s Ethernet IP address.  After changing the IP address, cli c k Apply to displa y the follo wing screen. The Change & Reboot button allo ws you to use the ne w IP address and re boot the router i mmediatel y . The Change b [...]

1740 SHDSL 2/4-Wire Router User’s Guide STEP2: select 0/34 from the Current A TM PVC List to displa y the parameters and cli ck RFC 1 483 Routed and then clic k on the Modify button. STEP 3: Cli ck LAN Set up on the menu bar to typ e the IP addre ss f or the LAN por t. Clic k LAN Setup on the menu bar and type the IP address and Subnet (should be[...]

1740 SHDSL 2/4-Wire Router User’s Guide STEP 4: Clic k Save & Reboot on the Basic men u bar to save y our settings. 3.2.3 PPPoE When a VC is set in the PPPoA, t he router will auto-detect the Aut hentication code (PAP or CHAP). The NAPT and DHCP server functions will be ena bled automatically. STEP 1: Clic k W AN Setup on the Basic men u bar [...]

1740 SHDSL 2/4-Wire Router User’s Guide Idle Timeout The Idle Time field defines the period of idle time after which the PPPoE link will be terminated. It is functional in the auto mode. The default setting is 5 minutes. In Direct mode, this function i s not used and the field displays ze ro. Enable DHCP server Check the item to enable t he DHCP [...]

1740 SHDSL 2/4-Wire Router User’s Guide 3.2.4 PPPoA When a VC is configured for PPPoA, the router will auto-detect the Authentication code (PAP or CHAP), and the NAPT function will be enabl ed a utomatically. STEP 1: Clic k WA N Setup on the Basi c men u bar . STEP 2: Enter v alues f or the following fields: VPI, VCI, Encapsulation (LLC or VC MUX[...]

1740 SHDSL 2/4-Wire Router User’s Guide To modify the VC, click a VC from the Current AT M PVC List to display the parameters of the VC. Change its parameters and click on the Modify button. 1740-A2-GB20-00 July 2004 25[...]

1740 SHDSL 2/4-Wire Router User’s Guide 3.2.5 Password Setup There are two types of access pr ivileges. A system ADMINISTRATOR is the only person that can configure, change parameters, monitor, and read the per formance and status of the system. A USER can only monitor and read the status of the system. The password for access through the We b is[...]

1740 SHDSL 2/4-Wire Router User’s Guide 3.2.6 Setting the Bridge Click on Bridging on the Advanced men u bar to set up the st atic b ridging and Spanning Tree Protocol (STP) functions. 3.3 Spanning Tree Protocol The STP function is disabled by factory default. To enable it, click Enable in the Spanning Tree field and configure the interfaces on t[...]

1740 SHDSL 2/4-Wire Router User’s Guide 3.4 Static Bridging Click on the Static tab to configure, modify, and dele t e the static bridging functions. Add Add a static bridging entr y Delete Delete a static bridging static entr y List Displa ys all the static br idging entries Flush Delete all the static bridging entries  MAC Address: This i s [...]

1740 SHDSL 2/4-Wire Router User’s Guide 3.4.1 Write System Con figurations The new parameters can function imm ediately without being sa ved to the flash memory. To use these parameters after you restart the router, you must save them to the flash mem ory. To write the configur ations, click on the Save & Reboot button. Click on the Save butt[...]

1740 SHDSL 2/4-Wire Router User’s Guide 3.4.2 Load Facto ry Default Values Caution! If you reset your device to the factory defa ul t s, any changes to paramet ers will be lost and all parameters will revert to their default values. To retrieve the factory default settings: STEP 1: Click Erase & Reboot on the Basic menu bar. STEP 2: Click Era[...]

1740 SHDSL 2/4-Wire Router User’s Guide CHAPTER 4 Setting up WAN and LAN Interfaces 4.1 LAN Interface To set up the Ethernet Interface: STEP 1: Clic k LAN Setup on the Basic Men u bar . STEP 2: Enter the ne w IP address and Subnet, and clic k on Apply to displa y the f o llowin g scre en. STEP 3: Y ou can click on the Ch ange & Reboot butt on[...]

1740 SHDSL 2/4-Wire Router User’s Guide 4.2 Configuring the WAN Interface Click WAN Setup on the Basic menu bar and config ure the VC to RFC 14 83 Bridged, RFC 1483 Routed, PPPoE, or PPPoA. To set up these services, refer to Section 3.2. 32 July 2004 1740-A2-GB20-00[...]

1740 SHDSL 2/4-Wire Router User’s Guide 4.2.1 VC Data Flow Cont rol To set up the flow control parameters, such as AA L5 encapsulation, QOS, Peak Cell Rate, Sustaina ble Cell Rate, and Burst Tolerance, follow the steps belo w. Click WAN Configure on the Advanced menu b ar, an d click on the VCC tab on the main menu. Select a VC in the Index field[...]

1740 SHDSL 2/4-Wire Router User’s Guide 4.2.2 Setting up an ISP The router supports conn e ction to up to 16 ISPs. Each ATM Interface can connect to an ISP.To set up or configure the connection parameters to ISP, click on WA N Configure on the Advanced menu bar. Click on the ISP tab on the main screen. Select an ISP and click on the Modify button[...]

1740 SHDSL 2/4-Wire Router User’s Guide CHAPTER 5 SNMP The default setting of the SNMP function is enabled. SNMP is a software entity that responds to information and action request me ssages sent by a network management stati on. The me ssages exchanged enable you to access and mana ge obj ects in an active or inactive (stored) MIB on a particul[...]

1740 SHDSL 2/4-Wire Router User’s Guide 5.2 Disable SNMP Click SNMP on the Advanced menu bar and click on the Modify button at the bottom of the screen. Choose Disable in the SNMP Service field and click on Apply to submit the setting. 36 July 2004 1740-A2-GB20-00[...]

1740 SHDSL 2/4-Wire Router User’s Guide CHAPTER 6 Packet Filter Packet filter, a firewall security measure, exam ines incomi ng and outgoing packet headers (IP address, port number, and so on) on the netwo rk and determines whether to forwa rd the packets based on user- defined rules (deny, a ccept , and count). The SHDSL router provides packet f[...]

1740 SHDSL 2/4-Wire Router User’s Guide Destination IP Destination IP of a packet you wish to filter. Destination Mask Destination Mask of a packet. Destination Port Desti nation Port of a packet you wi sh to filter. TCP Flag ([F.S.R.P.A.U] This field allows you to filter accordin g to a TCP flag. Action This field determines the action the route[...]

1740 SHDSL 2/4-Wire Router User’s Guide CHAPTER 7 Routing This chapter describes how to set up th e static routes and RIP. Click Routing Setup from the Basic menu bar to configure the routing functions. 7.1 Static Route The Static Route Configuration field allows you to add, modify, and delete a static route. Typ e the Destination Network ID, sub[...]

1740 SHDSL 2/4-Wire Router User’s Guide Delete: STEP 1: Select the entry you wi sh to delete from the List of Static Routes STEP 2: Change the para meters STEP 3: Clic k on the Delete button 7.2 Set Up the RI P function To enable the RIP, complete the following step s: STEP 1: Click Routing Setup from the Basic menu b ar STEP 2: Select On in the [...]

1740 SHDSL 2/4-Wire Router User’s Guide Poison Reverse: Enabled: to enabl e the Poison Reverse Disabled: to enable the Splitting Horizon The default setting of poison reverse parameter is Enabled . It means the router adopts the sp lit hori zon with poi son reverse scheme to avoid routing loop pr oblem s. If the parameter is disabled , the router[...]

1740 SHDSL 2/4-Wire Router User’s Guide 7.3 Displaying the Routing Table To display the routing table, you can enter either of the followi ng screen s:  BASIC/ROUTING SETUP/R OUTING T ABLE screen  Adva nce/Utilities/Routing T able The following routing table appears after c licking Ba si c>Routing Se tup>Routing Table. 42 July 2004 17[...]

1740 SHDSL 2/4-Wire Router User’s Guide CHAPTER 8 NAT Network Address Translation (NAT or NAPT) is a tran sparent routing function that translate s a private IP address on a LAN into a public ad dress that can be used in a public network. Port Address Tra nslatio n (PAT) is a form of NAT that maps multiple privat e IP addresses to a single public[...]

1740 SHDSL 2/4-Wire Router User’s Guide 8.1 Multiple to One This application requires a se ries of private IP addresses (su ch a s 192.16 8.1. 140- 192.168.1. 150 ). These private IP address share a public IP add ress, such as 10.1.1.1. STEP 1: Clic k on NAPT on the Advanced menu b ar . STEP 2: Clic k on PA T and enter the f ollowing parameters: [...]

1740 SHDSL 2/4-Wire Router User’s Guide 8.2 One to One NAT One-to-one NAT maps a private IP address to a public IP addres s, su ch as 192.168.1.10 to 10.1.1.34. Click NAPT on the Advanced menu bar and cli ck on the NAT/PAT tab to access the NAT/PAT Configuration screen. Follow the steps belo w: STEP 1: Select Fix ed-NA T . STEP 2: T ype the priva[...]

1740 SHDSL 2/4-Wire Router User’s Guide 8.3 Multi-NAT Multi-NAT maps a set of continuous p rivate IP addre s ses to a set of continuous publi c IP addresses. There are two ways Multi-NA T ca n be used to translate the private IP addresses to public IP addresses. One way is to have each public IP addre ss m ap to an individual private IP address. [...]

1740 SHDSL 2/4-Wire Router User’s Guide Overload. When the number of private IP addres se s is gr eater than the number of public IP addresses, private IP addresses must share public IP addresses. The following parameters are used:  Star t Pr ivate IP address- End Private IP A ddress: For e xample, 192 .168.1.3- 192.168.1.22  Star t Global [...]

1740 SHDSL 2/4-Wire Router User’s Guide 8.4 Virtual Server If you want to set up Internet servers (such a s an e - mail se rver, we b server, or FTP server) on the virtual LAN when PAT is enabled, you sh ould regi ster the servers with the router first to allow Internet users to access the service via the WAN interf ace of router. This section de[...]

1740 SHDSL 2/4-Wire Router User’s Guide CHAPTER 9 DHCP The router can be set as a Dynami c Host Configu ratio n Protocol (DHCP ) server or a DHCP relay. The former acts like an IP address pool. Upon power on, the PCs on th e sam e domain will request an available IP address from the IP addres s pool of DHC P server. DHCP p ro vide s a centralized[...]

1740 SHDSL 2/4-Wire Router User’s Guide 9.2 DHCP Relay Click on DHCP on the Advanced menu bar. On t he main screen, click on the BOOTP/ DHCP Rel ay tab and configure the following parameters:  BOO TP/DHCP Rela y: Enab le  IP Address: This defines the IP address of the remote DHCP se rver . After completing the settings, click Apply ] to sub[...]

1740 SHDSL 2/4-Wire Router User’s Guide CHAPTER 10 DNS Proxy A Domain Name Server (DNS) provides an IP addres s to a host computer for an applied Domain Name. The router supports the DNS pro xy f eature, which receive s and at tempts to find an entry in its local tables, and when one is not found, it forw ards the request to a rem ote se rver. Cl[...]

1740 SHDSL 2/4-Wire Router User’s Guide CHAPTER 11 IGMP IGMP (Internet Group Membership Pro t ocol ) is a protoc ol used by IP hosts to report their multica st group memberships to any immediately neigh boring multicast routers. STEP 1: Add a VC and set it to RFC 1483 Routed mode. STEP 2: Click IGMP Pr oxy on the Adv anced menu bar . STEP 3: Clic[...]

1740 SHDSL 2/4-Wire Router User’s Guide STEP 4: Click Apply to submit the settings. 1740-A2-GB20-00 July 2004 53[...]

1740 SHDSL 2/4-Wire Router User’s Guide CHAPTER 12 VLAN To configure the VLAN function, click on VLAN in the Advanced menu bar. VLAN is disabled b y facto ry default. To enable it, select Enable and click on the Set button. Then you can proceed to create the VLAN groups. The router supports four VLAN groups, 1 to 4. You can choose and join differ[...]

1740 SHDSL 2/4-Wire Router User’s Guide CHAPTER 13 Maintenance and Diagnostics This chapter describes ho w to perfo rm a software upgrade, co nfig uration ba ckup, or configuration restoration, and how to use the di agnostic function s of the router. 13.1 Software Upgrade an d Config uration Backup /Restoration The router supports TFTP upgrade vi[...]

1740 SHDSL 2/4-Wire Router User’s Guide If a wrong format of the file us uploaded, a failure message will display du rin g the upgrade. The following is an example of upgrade failure resulting from an in co rrect file format. Before performing the TFTP upgrade, run the TFTP software. Click on Utilities on the Advanced menu bar. Fill out the TFTP [...]

1740 SHDSL 2/4-Wire Router User’s Guide The following is an example of how to se t up the parameters for homepage upgrad e. To upload the configurations, che c k Upload , select Configuration, and click on the Apply button to submit the settings. 1740-A2-GB20-00 July 2004 57[...]

1740 SHDSL 2/4-Wire Router User’s Guide 13.2 OAM Loopback Click on Utilities on the Advanced menu bar, and click on the Loo pback tab on the main screen. After filling out the follo wing parameters, click Start Loopback to perform the loopba ck. Flow Type Choose the F5 loopback type. Seg is th e segment loopba ck. It verifies the connection betwe[...]

1740 SHDSL 2/4-Wire Router User’s Guide 13.3 Ping A Ping test is used to verify the status of a network connection after the RIP or static route function is enabled. Ping sends a request me ssage to the host and waits for a return message. This dia gn ostic function can verify if the remote ho st is reachable. Ping can also measure the round -tri[...]

1740 SHDSL 2/4-Wire Router User’s Guide 13.4 Performance Monitoring  System statist ics Click System Statistics on the Advance d menu b ar to monitor the interface status and coll ect the statistics of the TCP/IP. 60 July 2004 1740-A2-GB20-00[...]

1740 SHDSL 2/4-Wire Router User’s Guide To display the interface statistics, click on the Interface tab, located at the top-le ft of the System Statistics screen. The Interface Statistics page displays statisti cs for all interfaces. The foll owing information is displayed: IF The name of the interface Admin Status Indicates whether the interface[...]

1740 SHDSL 2/4-Wire Router User’s Guide T o view TCP-IP stat istics clic k on the TCP-IP tab at the top of the System Statistics page . The TCP-IP page displa ys the IP statistics, UDP statisti cs, TCP statistics , and ICMP statistics. Interface Click Interface Monitor on the Advan ced menu bar to monitor the transmission status. 62 July 2004 174[...]

1740 SHDSL 2/4-Wire Router User’s Guide CHAPTER 14 Application Example 14.1 Adding the Static Route (W eb) Click Routing Setup on the Advanced menu b ar. The following demonstrates a scho ol ap plication as an example.  Location A: 10.164.32.9; Netmask: 255.255.255.252  Location B: 10.164.32.10; Netmask: 255.255.255.252  Network of the S[...]

1740 SHDSL 2/4-Wire Router User’s Guide Enter the parameters of the static route and click on the Add button. Click LAN Setup on the Basic m en bar. After typing LAN IP 10.164.32.10 and Netm ask 255.255.255.252, click on Apply to submit the settings. 64 July 2004 1740-A2-GB20-00[...]

1740 SHDSL 2/4-Wire Router User’s Guide CHAPTER 15 Pin Assignments Console Port (R S232 DB9) Pin number Definition Pin number Definition 1 NC 6 NC 2 TD 7 NC 3 RD 8 NC 4 NC 9 NC 5 GND LAN Port (RJ45) Pin number Definition Pin number Definition 1 RD+ 5 NC 2 RD- 6 TD- 3 TD+ 7 NC 4 NC 8 NC LINE Port (RJ45) Pin number Definition Pin number Definition [...]

1740 SHDSL 2/4-Wire Router User’s Guide CHAPTER 16 Console Access To access the device via the consol e p ort the following are required:  VT100 Compatible T erminal This terminal is essential to perform the initial configuration of the router. This i s normall y a terminal with a VT100 emulation program, such as T elix or HyperTerminal Editio[...]

1740 SHDSL 2/4-Wire Router User’s Guide 16.1.2 Keyboard Operations In this table, the caret (^) denotes the Ctrl ke y. ↑ The upward arrow key moves the curso r upward in the menu ↓ The downward arrow ke y moves the cursor downwa rd in the menu. ← Returns to the previous m enu. If you are in a leaf menu you may need to push ^S first (to save[...]

1740 SHDSL 2/4-Wire Router User’s Guide The backup keys displayed at the bottom of the screen . In addition to the arrow keys to move the cursor in the menu, you can enter the requested scre en by entering the number. For example, to enter MA IN /ADVANCE/DHCP/RELAY, follow the s teps below: STEP 1: Press the 2 k ey , to enter the Ad vance men u, [...]

1740 SHDSL 2/4-Wire Router User’s Guide STEP 3: Press the 2 key, and then press the Enter key in MAIN/ADVANCE/DHCP. STEP 4: Now you have reached MAIN/ADVANCE/DHCP/RELAY. 16.1.3 Motoring the SHDSL Line Status Enter MAIN/BASIC/SHDSL to moni tor the SHDSL Line status. 1740-A2-GB20-00 July 2004 69[...]

1740 SHDSL 2/4-Wire Router User’s Guide 16.1.4 Password Setup Enter MAIN/BASIC/SYSTEM to change the passwords.  New Administrator P ass word and Retype P assw ord: Enter the administrato r pass word in the New Administrator P ass word and confirm the pass word b y retyping the password in th e Retype P asswo rd field.  New Use r P assw ord [...]

1740 SHDSL 2/4-Wire Router User’s Guide 16.1.7 Save the Configuratio ns The new parameters can function imm ediately without being sa ved to the flash memory. Howe ver, to use these parameters after you re start the ro uter, you must save them to the flash memory. To write the configurations, enter MAIN/WRITE an d p ress the Y key. Af ter saving [...]

1740 SHDSL 2/4-Wire Router User’s Guide STEP 2: Clic k [Star t]> [run], type telnet 192.168.1.1 and clic k OK . (192.168.1.1 is the def ault IP address. If it was chan ged, use the ne w IP address to logi n.) STEP 3: Enter the user name and p ass word and press Enter to login (The d ef ault pass word and user name are root) STEP 4: The f ollow[...]

1740 SHDSL 2/4-Wire Router User’s Guide Appendix A: Specifications W A N I n t e r f a c e ( O n e S H D S L p o r t ) SHDSL standard ITU-T G991.2 SHDSL Line Interface RJ45 E n c o d i n g s c h e m e T C - P A M Line rate Per ITU-T G991.2 (SHDSL) Data rate N x 64 Kbps, N=1~36, per Channel ( 2 c h a n n e l s ) Encapsulation Multi-protocol over A[...]

1740 SHDSL 2/4-Wire Router User’s Guide 74 July 2004 1740-A2-GB20-00 N e t w o r k f u n c t i o n s A R P Y e s DNS, NAT/PAT, DHCP/B OOTP Yes PAP, CHAP Yes Automatic IP and DNS Assignment RFC 1877 Power Supply External power adapter 110 VAC or 230 VAC Frequency 50/60 Hz Environmental Conditions Operating temperature 0–50 degrees Celsius Relati[...]