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"Cisco 675 & 678 Configuration and Setup Instructions"

This page is also used to update the CBOS on your cisco. Follow these instruction to determine if your modem is CAP or DMT, then you will be instructed to download the correct update for CAP or DMT

Service Verification for Windows® 95, Windows® 98, Windows® NT, Windows® 2000, Windows® ME, or Windows XP

Please print these instructions before beginning so that you can easily refer to them while going through the Cisco 678® External Modem download processes. If you do not have a printer, you may save these instructions and open them on your desktop so that you can follow along as you complete the installation processes. Products and services are trademarks of their respective companies.

Please keep your browser open to this page as you complete the following instructions. You will need to follow additional links from this page to access the download instructions.

Before downloading the software for CBOS version 2.4.6 for your Cisco 678, you must first determine if you have CAP or DMT. CAP and DMT are different settings your modem uses. To determine which setting you have, follow the steps below. If you download the wrong CBOS version, your service will not work.

Connecting to your Cisco 678


In this step, you will be performing the physical connections for your modem to enable you to configure your modem, by connecting the modem wires.

Connect your Cisco 678 to your PC. Ensure that the yellow cable is connected to the Ethernet port on your PC and to the "ENET" port on the back of the Cisco 678.

Connect the blue or gray management cable (this cable was shipped with the original packing material) to a "COM" port on your PC to the "MGMT" port on the back of the Cisco 678.

NOTE: A "COM" port is a communications port used to connect external devices, such as your modem to the PC, most COM ports are identified by a number on the back of your PC. The following picture is an example of COM port on a PC.

NOTE 1: Identify the PC COM Port number the blue or gray management cable is installed on. You will need this information for the next step.

Connect the modem power cable and ensure the green power light is on.

Lost Management Cable?

If you lost your management cable, please call one of the following Qwest technical support numbers:
Qwest.net customers call: 1-888-777-9569
All other ISP customers call: 1-800-247-7285

Inform the Qwest technical support person you need to open an RMA for a new blue management cable.


To set up your computer to connect to your modem, the software program you will be using to connect to your modem will be HyperTerminal®.

To access HyperTerminal in Windows® 95/98/ME, perform the following.

Click START on your Windows® desktop and select PROGRAMS. Then, select ACCESSORIES and then, select HYPERTERMINAL. Click on the HyperTerminal icon to launch HyperTerminal.

Windows 2000 users select START, PROGRAMS, then select ACCESSORIES, then select COMMUNICATIONS, and then select HYPERTERMINAL.

NOTE for Windows® 98 users: Loading Windows® 98 does not automatically load HyperTerminal. If you cannot find a HyperTerminal folder, load HyperTerminal from your Windows® 98 compact disk.


Enter "Cisco 678" as a connection name and select an icon. Then, select OK.


In the CONNECT USING field, select the COM port you connected the blue cable to and noted in Step 1. Then, select OK.


In the Properties window, please set the port settings as follows.

  • Bits per second: 38400
  • Data bits: 8
  • Parity: None
  • Stop bits: 1
  • Flow control: None
Then, select OK.


NOTE: If you cannot connect to your modem, reconfigure the "Bits per second" field to 9600. Then, try to reconnect. If you have further connection problems, please turn the power to your modem off for 30 seconds, then turn it back on.


Press Enter to initiate the session in HyperTerminal. If the session does not initiate, press Enter again. A CBOS prompt will appear as follows:

User Access Verification


If you set an executive password, please type it and press Enter. If you have not set an executive password, please press Enter to access the Cisco 678 and the following prompt will appear.


NOTE: The Cisco 678 is default set to not have a password. Only if you previously provisioned an executive password will you need one to enter the Cisco 678. Qwest recommends setting an executive password for security purposes.

If you have forgotten your password, please call one of the following Qwest technical support numbers:

Qwest.net customers call: 1-888-777-9569
All other ISP customers call: 1-800-247-7285


Type "enable" at the cbos prompt. Then, press Enter.



At the Password prompt, press Enter. The following prompt will appear.



Please type the following at the cbos# prompt.

show version

If your modem is set to CAP, the following will appear.

If your modem is set to DMT, the following will appear.

 Click Here if your Modem is CAP  |  Click Here if your Modem is DMT
(These links will take you to instructions and the download for CAP or DMT)


Check your mail from anywhere
(This Will Take you to our new Portal to access your e-mail and account info)

Must have Internet Explorer 5.5 or higher to access

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