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Chapter 2. Installing 3Com VCX IP Telecommuting Module
• Ping this IP address to give the Telecommuting Module its new IP address. You should receive a ping reply if the
address distribution was successful.
• Configure the rest through a web browser.
Installation with a serial cable
These steps are performed when installing with a serial cable:
• Connect the Telecommuting Module to your workstation with a null modem serial cable.
• Plug in the power cord and turn the Telecommuting Module on.
• Wait while the Telecommuting Module boots up.
• Log on from your workstation.
• Run the installation program (see following instructions).
• Connect the network cables to the network interfaces.
• Configure the rest through a web browser.
Connect the Telecommuting Module to your workstation with a null modem serial cable, plug in the power cord
and turn the Telecommuting Module on. You will have to wait a few minutes while it boots up.
• If you use a Windows workstation, connect like this: Start Hyperterm. A Location dialogue will show, asking for
your telephone number and area. Click Cancel followed by Yes. Then you will be asked to make a new
connection. Type a name for this connection, select an icon and click OK. The Location dialogue will show
again, so click Cancel followed by Yes.
Now you can select Connect using COM1 and click OK. A Port settings dialogue will show, where you select
19200 as Bits per second. Use the default configuration for all other settings. Click OK and wait for a login
prompt. (In some cases you have to press Return to get the login prompt.)
• If you use a Linux workstation, connect like this: Make sure that there is a symbolic link named /dev/modem
which points to the serial port you connected the Telecommuting Module to. Connect using minicom with the bit
rate 19200 bits/s, and wait for a login prompt.
Log on as the user admin. The first time you log on, no password is required. You set the password when you run
the installation script, which starts automatically when you have logged on.
Each network interface is marked with a name (1 and 2), which corresponds to a tab under Network. All eth
interfaces belong to ethernet cards and should only be connected using ethernet cables.
Decide which computer(s) are allowed to configure 3Com VCX IP Telecommuting Module and enter the name of
the network interface to which they are connected, for example, Network Interface 1. You must use the physical
device name (eth0 and eth1).
Enter the IP address of the Telecommuting Module on this interface and the network mask for the network.
A network mask can be written in two ways in 3Com VCX IP Telecommuting Module:
• The first looks just like an IP address, for example 255.255.192.0 or 255.255.254.0.
• The other way is as a number between 0 and 32. An IP address has 32 bits, where the number of the network
mask indicates how many bits are used in the network’s addresses. The rest of the bits identifies the computer on
the network.
Now, you can select to deactivate any network interfaces. Select y to deactivate all interfaces but the one you just
configured. The remaining network interfaces can be activated later when you complete the configuration via the
web interface from your work station. This only applies to interfaces which was previously active; you can’t
activate interfaces with this setting.
Now enter the computer or computers from which the Telecommuting Module may be configured (the configuration
computers).
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