Avaya Solution & Interoperability Test Lab Connecting Avaya 4600 Series IP Telephones and Avaya Wireless LAN Access Points with the 3Com SuperStack 3 Switch 4400-PWR (Inline Power Ethernet Switch) - Issue 1.0 Abstract These Application Notes describe how to connect and configure Avaya 4600 Series IP Telephones and Avaya wireless LAN access points with the 3Com SuperStack 3 Switch 4400PWR (inline power Ethernet switch).
1. Introduction “Inline power” is a feature offered on some Ethernet switches. It is a means by which the switch can supply power to a network device within the same cable that carries the Ethernet signaling. This simplifies network installation and powering design, removing the need for a separate power supply for each IP telephone in the network. IEEE 802.3af-2003 defines a standard protocol to be used by powering and powered devices.
• • • Successful boot operation For IP telephones, successful registration with an Avaya Media Server/Gateway and successful completion of calls using the IP telephones (e.g. initiate calls, receive calls, etc.) For wireless LAN access points, successful registration of a wireless laptop and use of the administration web interface on the access point from the laptop.
Figure 2: Avaya 30A Switch Base Connections 2.
Figure 3: Log in to the Switch • From the main menu, click Device View to display device information as shown in Figure 4. Figure 4: Device View To access power configuration information, expand the folder Physical interface Æ Power in the navigation panel as shown in Figure 4. SZ; Reviewed: WCH 3/19/2004 Solution & Interoperability Test Lab Application Notes ©2004 Avaya Inc. All Rights Reserved. 5 of 14 3com-PoE-Config.
2. Configure switch port inline power 1. Click Device View on the Toolbar. 2. Select Physical Interface -> Power -> Configure in the navigation panel; 3. The following window displays the switch default power configuration. Figure 5: Port Inline Power Configuration Note that for all ports, Power State is Inactive and Profile is set to Not Guaranteed, as there are no Powered Devices (PDs) connected to the switch.
• • Disabled — The port has been configured not to supply power. FAULT — The port is in error. Profile The Profile that has been selected for a port. This can take one of the following values: • • Guaranteed — The device on the port has power reserved for it, as listed in the Limited To column. Not Guaranteed — The device on the port has no power reserved for it. It will receive power if the switch is below its maximum power budget, and all ports with higher priorities are receiving power.
3. Figure 6: Display Inline Power Status Configure port power profile. By default, the maximum power for all ports is not guaranteed. To guarantee that PDs get their specified maximum power, their profile can be configured using the Guaranteed profile. Guaranteeing Power on a Port To guarantee power to a port: In the Port column, select the port or ports that are guaranteed for power. In the drop-down box: • • • Select the profile that corresponds to the switch ports connecting to that device type.
For example, follow the steps above to change ports 1-3 to use the guaranteed profile. Figure 7 shows all three ports are configured to use the Guaranteed profile. Note the power limit is set to 15.4 watts for ports 1 and 2, and 7 watts for port 3, since both the 4620 and 4612 IP telephones are class 3 devices and the 4602SW IP phone is a class 1 device. Table 2 shows the required power allocations defined by IEEE 802.3af-2003, based on the class.
Removing Guaranteed Power from a Port To remove guaranteed power from a port: • In the Port column, select the port or ports from which the guaranteed power needs to be removed. • Select Not Guaranteed from the drop-down box. • Click Apply. Disabling Power on a Port To disable power on a port: • In the Port column, select the port or ports for which the power is to be disabled. • Click Disable.
4. Verification Steps The following steps can be used to verify proper connection, configuration, and powering of Avaya IP telephones. Steps 1. Description Disable inline power to port 1 and verify that the telephone loses power. • • In the Port column, select port 1:1 and click Disable as shown in Figure 9. Click Refresh for the change to take effect. Figure 9: Disable Inline Power for Port 1 To view port 1 power status: • • • SZ; Reviewed: WCH 3/19/2004 Click Device View on the Toolbar.
The following window is displayed: Figure 10: Display Port 1 Power Status Note that the power state is Disabled as shown in Figure 10. 2. Enable inline power for port 1 and verify that the telephone receives power. • • • • SZ; Reviewed: WCH 3/19/2004 In the Port column, select port 1:1 and click Enable. Click Refresh for the change to take effect. Select Physical Interface -> Power -> Detail in the navigation panel. From the Power Detail for Port drop-down box, select port 1.
The following window is displayed. Note that the power state has changed to Active as shown in Figure 11. Figure 11: Port 1 Power is enabled 5.
©2004 Avaya Inc. All Rights Reserved. Avaya and the Avaya Logo are trademarks of Avaya Inc. All trademarks identified by ® and ™ are registered trademarks or trademarks, respectively, of Avaya Inc. All other trademarks are the property of their respective owners. The information provided in these Application Notes is subject to change without notice.
