User guide
Table Of Contents
- Table of Contents
- Chapter 1 Introduction
- Chapter 2 Installation
- Chapter 3 Programming
- Programming overview
- About the programming tools
- Enable your options
- Programming the system parameters
- Programming the extensions
- Programming the voice parameters
- Modify the extensions and system directory
- Program the terminal emergency numbers (ELINs)
- About the default line numbers
- Program the general line parameters
- Program the analog lines
- Program the digital trunks
- Assign priority lines
- Restrict external access (toll restriction/call barring)
- Program the voice management parameters
- Programming the voice mail settings
- Setting up the auto attendant
- Configuring call logging (SMDR)
- Programming a loudspeaker
- Committing your changes
- Performing a database backup
- Programming tips
- Chapter 4 Configuring the IP network
- About IP networking
- Network capabilities
- Planning your LAN
- IP programming sequence
- Connecting directly to the Internet
- Connecting to the Internet through an existing LAN
- Using a remote DHCP server
- Changing the assigned DHCP IP address range
- Configuring Domain Name Service
- Assigning a gateway
- Programming dial-up access to an ISP
- Configuring NAT Redirect
- Restricting LAN access (firewall)
- IP networking tips
- Chapter 5 Routine maintenance
- Is the system healthy?
- Is the system secure?
- Checking the system
- Launching the tools
- Enabling your licensed options
- Rebooting the system
- Powering down the system
- Powering up the system
- Upgrading the system
- Performing backups
- Saving call (SMDR) logs
- Using a remote access session
- Changing extensions or set types
- Creating a user guide
- Using a database template
- Maintenance tips
- Chapter 6 Troubleshooting and repair
- Checking the system LEDs
- Checking the logs
- Viewing diagnostics
- Using maintenance commands
- Using Windows networking commands
- Line troubleshooting
- IP port troubleshooting
- IP phone troubleshooting
- Analog phone troubleshooting
- System troubleshooting
- Network troubleshooting
- Fixing database or software corruption
- Replacing faulty components
- Troubleshooting tips
- Appendix A Default database
- Appendix B Reference
- Appendix C Planning
- Index

Routine maintenance
135
Adding expansion units
You can add up to two expansion units to the system.
A single expansion unit is shipped with an uplink card, an
uplink cable, and a Y-ac power cable.
To add two expansion units, you require a dual uplink
card kit. The kit includes a dual uplink card, and the
uplink cables and power cables required to connect two
expansion units (see Figure 19 (page 137)).
If you are upgrading the system with a 24-port
expansion unit, you must first upgrade the system
to Release 4.0 version software or higher. See
Upgrading the system (p. 133). After upgrading the
system software, power down the system, connect
the new hardware, and reboot the system.
1. Power down the controller and disconnect all connec-
tions to the public telecommunications network.
2. Attach an anti-static strap.
3. Remove the top cover of the controller.
4. Install the Uplink card or Dual Uplink card (see Figure
18 (page 136)) on the two standoffs.
5. Secure the card with the supplied screws.










