User Guide
Page 8
... Using a Connection Script 77 Configuring LAN Parameters 81 Configuring V.90 Modem Control Parameters 83 Changing Data Call Parameters 85 Specifying a WINS Server Address 87 Configuring the Local DNS Table 88 Reserving DHCP Addresses 89 Changing Your Password 89 Locking and Unlocking the Configuration 90 Using Selective Password Protection 91 Configuring the LAN Modem from a Remote Location 91 Checking for Dual 56K LAN Modem upgrades 94 CONFIGURING...
... Using a Connection Script 77 Configuring LAN Parameters 81 Configuring V.90 Modem Control Parameters 83 Changing Data Call Parameters 85 Specifying a WINS Server Address 87 Configuring the Local DNS Table 88 Reserving DHCP Addresses 89 Changing Your Password 89 Locking and Unlocking the Configuration 90 Using Selective Password Protection 91 Configuring the LAN Modem from a Remote Location 91 Checking for Dual 56K LAN Modem upgrades 94 CONFIGURING...
User Guide
Page 13
... to access the LAN Modem's web-based configuration screens. 1 INTRODUCTION This chapter provides an overview of users dialing out from up to 25 users. Introduction The Dual 56K LAN Modem is a consideration, the LAN Modem also supports pass-though VPN (Virtual Private Network) tunneling. The LAN Modem provides four 10BASE-T Ethernet ports for LAN-side connections and two internal, V.90 ITU 56K-standard modems for WAN-side connections, plus two additional analog ports for separate, 56K connections...
... to access the LAN Modem's web-based configuration screens. 1 INTRODUCTION This chapter provides an overview of users dialing out from up to 25 users. Introduction The Dual 56K LAN Modem is a consideration, the LAN Modem also supports pass-though VPN (Virtual Private Network) tunneling. The LAN Modem provides four 10BASE-T Ethernet ports for LAN-side connections and two internal, V.90 ITU 56K-standard modems for WAN-side connections, plus two additional analog ports for separate, 56K connections...
User Guide
Page 14
...private network's Internet connection, as shown in Figure 1. OfficeConnect Dual 56K LAN Modem Message MODEM 1 MODEM 2 AA CD RD SD OH AA CD RD SD OH Alert Power LAN Status TX COLL 1 2 3 4 OfficeConnect Dual 56k LAN Modem Public telephone network Two analog POTS lines Internet More connected 3 Com ANALOG 4 3 1 2 SLOT 1 D BRI ISDN U 3/4 D 34 1 2 1/2 SLOT 2 SUPER RWemAoNte AccessTSXysteCmRLOXA15N00 LK PSotawtueRsresRTSeXtXTACK 3Com CONSOLE STACKNET Private network Dedicated or leased line connection Figure 2 Local Networking with Remote Private Network Access...
...private network's Internet connection, as shown in Figure 1. OfficeConnect Dual 56K LAN Modem Message MODEM 1 MODEM 2 AA CD RD SD OH AA CD RD SD OH Alert Power LAN Status TX COLL 1 2 3 4 OfficeConnect Dual 56k LAN Modem Public telephone network Two analog POTS lines Internet More connected 3 Com ANALOG 4 3 1 2 SLOT 1 D BRI ISDN U 3/4 D 34 1 2 1/2 SLOT 2 SUPER RWemAoNte AccessTSXysteCmRLOXA15N00 LK PSotawtueRsresRTSeXtXTACK 3Com CONSOLE STACKNET Private network Dedicated or leased line connection Figure 2 Local Networking with Remote Private Network Access...
User Guide
Page 15
.... OfficeConnect Dual 56K LAN Modem Message MODEM 1 MODEM 2 AA CD RD SD OH AA CD RD SD OH Alert Power LAN Status TX COLL 1 2 3 4 OfficeConnect Dual 56k LAN Modem Public telephone network Two analog POTS lines Internet More connected 3 Com ANALOG 4 3 1 2 SLOT 1 BRI ISDN U D 34 D 3/4 1 2 1/2 SLOT 2 SUPER RWemAoNte AccessTSXysteCmRLOXA15N00 LK SPtoawtueRsresRTSeXtTXACK 3Com CONSOLE STACKNET Private network Figure 3 Local Networking with Shared Access to the Internet and a Remote Private Network Combined Dial-in and Dial-out Access Users can share access...
.... OfficeConnect Dual 56K LAN Modem Message MODEM 1 MODEM 2 AA CD RD SD OH AA CD RD SD OH Alert Power LAN Status TX COLL 1 2 3 4 OfficeConnect Dual 56k LAN Modem Public telephone network Two analog POTS lines Internet More connected 3 Com ANALOG 4 3 1 2 SLOT 1 BRI ISDN U D 34 D 3/4 1 2 1/2 SLOT 2 SUPER RWemAoNte AccessTSXysteCmRLOXA15N00 LK SPtoawtueRsresRTSeXtTXACK 3Com CONSOLE STACKNET Private network Figure 3 Local Networking with Shared Access to the Internet and a Remote Private Network Combined Dial-in and Dial-out Access Users can share access...
User Guide
Page 16
... of the Dual 56K LAN Modem hardware, including the function of the diagnostics have failed or after pressing the reset button. Auto Answer. Carrier Detect. Remains lit when the indicated modem has gone off hook. Front Panel LED The front panel contains the LEDs illustrated in firmware download mode and is working properly. Power Indicator. Send Data. Received Data. Flashes when the indicated modem receives data from the Dual 56K LAN Modem. Table 4 Front Panel LED Indicator De...
... of the Dual 56K LAN Modem hardware, including the function of the diagnostics have failed or after pressing the reset button. Auto Answer. Carrier Detect. Remains lit when the indicated modem has gone off hook. Front Panel LED The front panel contains the LEDs illustrated in firmware download mode and is working properly. Power Indicator. Send Data. Received Data. Flashes when the indicated modem receives data from the Dual 56K LAN Modem. Table 4 Front Panel LED Indicator De...
User Guide
Page 18
... Ethernet hub s Two pass-through capability using client software Virtual FAX Modem s Allows Windows users on the IP network s Domain Name Service (DNS) server functionality for the LAN, which translates the common, alphanumeric name of a device (for applications requiring a dedicated modem, such as if directly connected through an RS-232 serial (COM) port. s Creates support for example, "www.3com.com") to its numeric IP address 1.Current FCC rules limit download speeds to access one or both modems...
... Ethernet hub s Two pass-through capability using client software Virtual FAX Modem s Allows Windows users on the IP network s Domain Name Service (DNS) server functionality for the LAN, which translates the common, alphanumeric name of a device (for applications requiring a dedicated modem, such as if directly connected through an RS-232 serial (COM) port. s Creates support for example, "www.3com.com") to its numeric IP address 1.Current FCC rules limit download speeds to access one or both modems...
User Guide
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...-Point Protocol (Multilink PPP) to use the Dual 56K LAN Modem for its most common WAN application, dial-out remote access, you can choose one of Multilink PPP, refer to as a Multilink-enabled connection. Greg's PC Marsha's PC Peter's PC Message MODEM 1 MODEM 2 AA CD RD SD OH AA CD RD SD OH Alert Power LAN Status TX COLL 1 2 3 4 OfficeConnect Dual 56k LAN Modem OfficeConnect¤ Dual 56K LAN Modem Greg Peter Two analog lines Greg Public telephone network Peter Internet...
...-Point Protocol (Multilink PPP) to use the Dual 56K LAN Modem for its most common WAN application, dial-out remote access, you can choose one of Multilink PPP, refer to as a Multilink-enabled connection. Greg's PC Marsha's PC Peter's PC Message MODEM 1 MODEM 2 AA CD RD SD OH AA CD RD SD OH Alert Power LAN Status TX COLL 1 2 3 4 OfficeConnect Dual 56k LAN Modem OfficeConnect¤ Dual 56K LAN Modem Greg Peter Two analog lines Greg Public telephone network Peter Internet...
User Guide
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... when multiple users share a connection and attempt to download data simultaneously. If an open connection is available, the LAN Modem uses this for an Internet connection). Eric's PC Anne's PC Suhlle's PC OfficeConnect¤ Dual 56K LAN Modem Message MODEM 1 MODEM 2 AA CD RD SD OH AA CD RD SD OH Alert Power LAN Status TX COLL 1 2 3 4 OfficeConnect Dual 56k LAN Modem Public telephone network Combining both analog lines with this feature. For a further explanation of NAT and IP address...
... when multiple users share a connection and attempt to download data simultaneously. If an open connection is available, the LAN Modem uses this for an Internet connection). Eric's PC Anne's PC Suhlle's PC OfficeConnect¤ Dual 56K LAN Modem Message MODEM 1 MODEM 2 AA CD RD SD OH AA CD RD SD OH Alert Power LAN Status TX COLL 1 2 3 4 OfficeConnect Dual 56k LAN Modem Public telephone network Combining both analog lines with this feature. For a further explanation of NAT and IP address...
User Guide
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... Public telephone network Analog POTS line OfficeConnect Dual 56K LAN Modem 192.168.1.1 Analog POTS line Janet's PC 192.168.1.5 Figure 10 Network Address Translation in the LAN Modem when three users share a single connection to the Private Network; IP Address Translation When the Dual 56K LAN Modem is configured for any type of dial-out access, by the remote location and used specifically for communication across the WAN and is...
... Public telephone network Analog POTS line OfficeConnect Dual 56K LAN Modem 192.168.1.1 Analog POTS line Janet's PC 192.168.1.5 Figure 10 Network Address Translation in the LAN Modem when three users share a single connection to the Private Network; IP Address Translation When the Dual 56K LAN Modem is configured for any type of dial-out access, by the remote location and used specifically for communication across the WAN and is...
User Guide
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... apply to all dial-in to dial in connections as shown in calls. Small Office LAN ISDN LAN M3oCd8e9m2 Server Message MODEM 1 MODEM 2 AA CD RD SD OH AA CD RD SD OH Alert Power LAN Status TX COLL 1 2 3 4 OfficeConnect Dual 56k LAN Modem OfficeConnect¤ Dual 56K LAN Modem Public telephone network Two analog lines S2TAT3US 4 TX COLL1 LAN B1 B2 ALERT POWEIRSODKN Telecommuter Internet Figure 11 Simultaneous Dial-in calls. Depending...
... apply to all dial-in to dial in connections as shown in calls. Small Office LAN ISDN LAN M3oCd8e9m2 Server Message MODEM 1 MODEM 2 AA CD RD SD OH AA CD RD SD OH Alert Power LAN Status TX COLL 1 2 3 4 OfficeConnect Dual 56k LAN Modem OfficeConnect¤ Dual 56K LAN Modem Public telephone network Two analog lines S2TAT3US 4 TX COLL1 LAN B1 B2 ALERT POWEIRSODKN Telecommuter Internet Figure 11 Simultaneous Dial-in calls. Depending...
User Guide
Page 29
...Power LAN Status TX COLL 1 2 3 4 OfficeConnect Dual 56k LAN Modem Dual 56K LAN Modem Public telephone network More connected 3 Com Internet PPTP Tunnel server ANALOG 4 3 1 2 SLOT 1 BRI ISDN U D 34 D 3/4 1 2 1/2 SLOT 2 SUPER RWemAoNte AccessLTSKXysteCRmLOXA1N500 PSotawtueRsresRTSeXtXTACK 3Com CONSOLE STACKNET Corporate office LAN Figure 14 VPN Tunnel Connection to a Remote Private Network via an ISP To create a VPN tunnel from a workstation attached to unpack tunnel packets on the user's workstation. Support for Virtual Private Networks (VPNs) 29 Support for Virtual...
...Power LAN Status TX COLL 1 2 3 4 OfficeConnect Dual 56k LAN Modem Dual 56K LAN Modem Public telephone network More connected 3 Com Internet PPTP Tunnel server ANALOG 4 3 1 2 SLOT 1 BRI ISDN U D 34 D 3/4 1 2 1/2 SLOT 2 SUPER RWemAoNte AccessLTSKXysteCRmLOXA1N500 PSotawtueRsresRTSeXtXTACK 3Com CONSOLE STACKNET Corporate office LAN Figure 14 VPN Tunnel Connection to a Remote Private Network via an ISP To create a VPN tunnel from a workstation attached to unpack tunnel packets on the user's workstation. Support for Virtual Private Networks (VPNs) 29 Support for Virtual...
User Guide
Page 31
... includes checking each workstations' TCP/IP and IP address settings to RJ-11) Phone port adapter One 10BASE-T (not provided for all of their respective owners. RReeaa sstt!! OfficeConnect Dual 56K LAN Modem MODEM 1 OH SD RD Message CD AA MODEM 2 OH SD RD CD AA Power Alert TX COLL LAN Status 2 Off1iceConnect 3 Dual 4 56k LAN Modem ee M M dd ® OfficeConnect dem ® 3ComDuaGl e5t6tiKngLASNtaMrteod Guide PRODUPCaTrPtNuNObo.l:.is13h.C0e82d848M.2a1y523000 FFiirr OfficeConnect Dual 56K LAN Modem Getting Started Guide OfficeConnect Dual 56K LAN Modem Companion...
... includes checking each workstations' TCP/IP and IP address settings to RJ-11) Phone port adapter One 10BASE-T (not provided for all of their respective owners. RReeaa sstt!! OfficeConnect Dual 56K LAN Modem MODEM 1 OH SD RD Message CD AA MODEM 2 OH SD RD CD AA Power Alert TX COLL LAN Status 2 Off1iceConnect 3 Dual 4 56k LAN Modem ee M M dd ® OfficeConnect dem ® 3ComDuaGl e5t6tiKngLASNtaMrteod Guide PRODUPCaTrPtNuNObo.l:.is13h.C0e82d848M.2a1y523000 FFiirr OfficeConnect Dual 56K LAN Modem Getting Started Guide OfficeConnect Dual 56K LAN Modem Companion...
User Guide
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..., not provided) s A 10BASE-T Ethernet cable for WAN access to use a crossover cable. Port Status Network Utilization Alert PWR PKTCOLL 1 2 3 4 5 6 7 8 COAX 1% 2% 3% 6% 12% 25% 50% 80% green = link OK, off = link fail, yellow = partition OfficeConnect¤ Ethernet Hub 8 Message MODEM 1 MODEM 2 AA CD RD SD OH AA CD RD SD OH Alert Power LAN Status TX COLL 1 2 3 4 OfficeConnect Dual 56k LAN Modem OfficeConnect¤ Dual 56K LAN Modem Figure 35 10-User Shared WAN Connection Using an 8-Port Ethernet Hub Before You Begin To create a shared WAN connection for more common...
..., not provided) s A 10BASE-T Ethernet cable for WAN access to use a crossover cable. Port Status Network Utilization Alert PWR PKTCOLL 1 2 3 4 5 6 7 8 COAX 1% 2% 3% 6% 12% 25% 50% 80% green = link OK, off = link fail, yellow = partition OfficeConnect¤ Ethernet Hub 8 Message MODEM 1 MODEM 2 AA CD RD SD OH AA CD RD SD OH Alert Power LAN Status TX COLL 1 2 3 4 OfficeConnect Dual 56k LAN Modem OfficeConnect¤ Dual 56K LAN Modem Figure 35 10-User Shared WAN Connection Using an 8-Port Ethernet Hub Before You Begin To create a shared WAN connection for more common...
User Guide
Page 97
..., users on either LAN can access servers and resources on each LAN Modem's subnet address, which by domain name, as well as IP address. This allows workstations from an Analog Modem 192.168.1.2 192.168.1.3 192.168.1.4 192.168.1.5 Server-side LAN 192.168.2.2 Message MODEM 1 MODEM 2 AA CD RD SD OH AA CD RD SD OH Alert Power LAN Status TX COLL 1 2 3 4 OfficeConnect Dual 56k LAN Modem 192.168.254.1 OfficeConnect Dual 56K LAN Modem...
..., users on either LAN can access servers and resources on each LAN Modem's subnet address, which by domain name, as well as IP address. This allows workstations from an Analog Modem 192.168.1.2 192.168.1.3 192.168.1.4 192.168.1.5 Server-side LAN 192.168.2.2 Message MODEM 1 MODEM 2 AA CD RD SD OH AA CD RD SD OH Alert Power LAN Status TX COLL 1 2 3 4 OfficeConnect Dual 56k LAN Modem 192.168.254.1 OfficeConnect Dual 56K LAN Modem...
User Guide
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....1.1 Public telephone network Message MODEM 1 MODEM 2 AA CD RD SD OH AA CD RD SD OH Alert Power LAN Status TX COLL 1 2 3 4 OfficeConnect Dual 56k LAN Modem 192.168.2.1 Site B LAN Modem The called LAN Modem acts as the DNS server for dial-in Support" or "Creating a Private Network Service Provider Profile" to the calling LAN Modem. Advanced Dial-in The Advanced Dial-in users. An example of addresses, as WAN IP address for Dial-in access.
....1.1 Public telephone network Message MODEM 1 MODEM 2 AA CD RD SD OH AA CD RD SD OH Alert Power LAN Status TX COLL 1 2 3 4 OfficeConnect Dual 56k LAN Modem 192.168.2.1 Site B LAN Modem The called LAN Modem acts as the DNS server for dial-in Support" or "Creating a Private Network Service Provider Profile" to the calling LAN Modem. Advanced Dial-in The Advanced Dial-in users. An example of addresses, as WAN IP address for Dial-in access.
User Guide
Page 99
... Dual 56K LAN Modem, as Web or FTP server software. By default, a Remote Administration account is a restricted version of server software are using to access on a remote LAN Modem, such as a workstation or server must be running appropriate software, such as described in Chapter 4. s Installed the Dual 56K LAN Modem hardware, as follows: 1 From the LAN Modem Main Configuration Page, click the Dial-in button. 2 Click Dial-in User Selection window opens. 3 Select Admin, and then click Select. 4 In the Username...
... Dual 56K LAN Modem, as Web or FTP server software. By default, a Remote Administration account is a restricted version of server software are using to access on a remote LAN Modem, such as a workstation or server must be running appropriate software, such as described in Chapter 4. s Installed the Dual 56K LAN Modem hardware, as follows: 1 From the LAN Modem Main Configuration Page, click the Dial-in button. 2 Click Dial-in User Selection window opens. 3 Select Admin, and then click Select. 4 In the Username...
User Guide
Page 113
... on the server LAN Modem's dial-in users to access the Internet through the server LAN Modem's ISP connection (if there one channel when dialing out to the remote server. Part II. s Callback Number: Enter the number that the client waits for Dial-out Access 113 6 In the Alternate drop-down list box, you want dial-in user parameters. If you have entered a Private Network IP Address. If the server-side LAN Modem was created in...
... on the server LAN Modem's dial-in users to access the Internet through the server LAN Modem's ISP connection (if there one channel when dialing out to the remote server. Part II. s Callback Number: Enter the number that the client waits for Dial-out Access 113 6 In the Alternate drop-down list box, you want dial-in user parameters. If you have entered a Private Network IP Address. If the server-side LAN Modem was created in...
User Guide
Page 127
... Configure field, select Using BootP Server to the Dual 56K LAN Modem. 3 Click Release All and then Renew All. refer to the factory default setting. refer to use the LAN configured to "Setting Up Your Computer If You Have a Static IP Address" in Chapter 3. Your Web browser may be a straight-through cable. Netscape Navigator: 1 From the Edit menu, choose Preferences. 2 Under Advanced, choose Proxies. 3 Check the box labeled Direct Connection to the LAN port...
... Configure field, select Using BootP Server to the Dual 56K LAN Modem. 3 Click Release All and then Renew All. refer to the factory default setting. refer to use the LAN configured to "Setting Up Your Computer If You Have a Static IP Address" in Chapter 3. Your Web browser may be a straight-through cable. Netscape Navigator: 1 From the Edit menu, choose Preferences. 2 Under Advanced, choose Proxies. 3 Check the box labeled Direct Connection to the LAN port...
User Guide
Page 164
... maximum REN for specifications on the Telecom New Zealand telephone network. We declare under our sole responsibility that the Model: Description: 3C888 OfficeConnect Dual 56K LAN Modem to comply with Part 68 of a Class B digital device, 3Com requires that contains, among other normative documents: s Federal Communications Commission 47 CFR Part 15, subpart B s 3Com Corporation, 5400 Bayfront Plaza, P.O. WARNING: This equipment has been tested and found to...
... maximum REN for specifications on the Telecom New Zealand telephone network. We declare under our sole responsibility that the Model: Description: 3C888 OfficeConnect Dual 56K LAN Modem to comply with Part 68 of a Class B digital device, 3Com requires that contains, among other normative documents: s Federal Communications Commission 47 CFR Part 15, subpart B s 3Com Corporation, 5400 Bayfront Plaza, P.O. WARNING: This equipment has been tested and found to...
User Guide
Page 167
... 27 N NAT configuration defined 24 for a private network 66, 74 NetBIOS Filtering 82 network interface 153, 155 O Outgoing Call Control configuring 87 outgoing calls preventing 87 P password changing 89 selective protection 91 Password Authentication Protocol (PAP) 19 Phone port 44 placing calls automatically 120 manually 120 power cable connection 45 power requirements 155 R receiving calls data 121 voice 121 remote administration changing password 92 S service providers...
... 27 N NAT configuration defined 24 for a private network 66, 74 NetBIOS Filtering 82 network interface 153, 155 O Outgoing Call Control configuring 87 outgoing calls preventing 87 P password changing 89 selective protection 91 Password Authentication Protocol (PAP) 19 Phone port 44 placing calls automatically 120 manually 120 power cable connection 45 power requirements 155 R receiving calls data 121 voice 121 remote administration changing password 92 S service providers...