Polycom Mobility Aid 1725 36055 001 User Manual

Field Verified  
Configuration Guide  
Cisco  
340 Access Point  
January 2008 Edition  
1725-36055-001  
Version G  
 
Cisco: 340 Access Point  
Introduction  
This document details the specifications for configuring the Cisco 340  
series access point (AP) with SpectraLink 8000 Wireless Telephones.  
Product Summary  
Manufacturer:  
Cisco  
Approved product(s) :  
RF technology:  
Cisco 340  
Direct-sequence spread spectrum (DS), 2.4 GHz  
11.10T, 12.01T1 †  
AP software version:  
SpectraLink handset models:  
SpectraLink radio mode:  
Maximum telephone calls per AP:  
AP configuration parameters:  
Indoor range (typical):  
e340/h340/i640  
802.11b  
8020/8030  
802.11b  
4 *  
4 *  
See Access Point Configuration below  
See vendor specifications for AP  
Switched Ethernet  
Required network topology:  
Network constraints:  
Dedicated segment for wireless, single subnet  
WEP capability:  
Yes *  
Yes *  
ESSID auto-learn function:  
† Earlier and later software versions have not been tested for the SpectraLink 8000 SVP Server  
compliance, except as noted. Refer to Polycom WLAN Compatibility Table for Field Verified AP software  
versions.  
* Telephone calls per AP must be configured in the system per documentation provided by Polycom.  
WEP and Automatic Learn are programmed into each handset in addition to being configured in the AP.  
SpectraLink 8000 Wireless Telephones  
SpectraLink 8000 Wireless Telephones use voice over IP (VoIP)  
technology on IEEE 802.11b-compatible wireless local area networks  
(WLANs). Access points utilize radio frequencies to transmit signals  
to and from the SpectraLink 8000 Wireless Telephones.  
PN: 1725-36055-001_G.doc  
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Field Verified  
Configuration Guide  
Access Point Capacity and Positioning  
Each site is unique in its AP requirements. Please take the following  
points into account when determining how many APs are needed and  
where they should be placed in the facility.  
Handset range  
There must be wireless LAN coverage wherever SpectraLink 8000  
Wireless Telephones will be used. The typical range for a SpectraLink  
8000 Wireless Telephone is comparable to that of a laptop computer  
utilizing a wireless LAN PC card. However, SpectraLink 8000  
Wireless Telephones are likely to be used in areas where data devices  
are not typically used, such as stairwells and outdoor areas.  
SpectraLink 8000 Wireless Telephones have a Site Survey mode that  
displays dBm levels to determine adequate WLAN coverage. Refer to  
the Administration Guide for your SpectraLink Wireless Telephones  
for details about this feature.  
Number of handsets per access point  
Estimate the number of SpectraLink 8000 Wireless Telephones and  
their anticipated call volume per AP area to ensure that the maximum  
number of calls per AP will not be exceeded. In this estimate, consider  
the data rates at which the handsets will operate. Higher data rates  
can only be sustained while well within the range of the AP. If the  
SpectraLink 8000 Wireless Telephones will be operating near the  
limits of the RF coverage from the AP, they will automatically drop to  
1 Mb/s operation. SpectraLink 8000 Wireless Telephones require  
approximately 15% of the available bandwidth per call for 1 Mb/s  
operation, approximately 10% of the available bandwidth per call for  
2 Mb/s operation, approximately 7% of the available bandwidth per  
call for 5.5 Mb/s operation, and approximately 5% of the available  
bandwidth per call for 11 Mb/s operation.  
The maximum number of telephone calls per AP quoted in the  
summary table above is based on 11 Mb/s operation, and will be  
reduced if some or all SpectraLink 8000 Wireless Telephones are  
operating at 1, 2, or 5.5 Mb/s.  
PN: 1725-36055-001_G.doc  
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Cisco: 340 Access Point  
LAN bandwidth  
Estimate anticipated peak call volume to ensure that the LAN has  
enough bandwidth available to handle the network traffic generated  
by all of the wireless devices. Network traffic can be  
monitored/analyzed using a network sniffer or a simple network  
management protocol (SNMP) workstation.  
Number of other wireless devices per AP  
The SpectraLink 8000 Wireless Telephones share bandwidth with  
other wireless devices. To ensure adequate RF bandwidth availability,  
consider the number of wireless data devices in use per AP.  
Notes on Configuration  
The AP must support SpectraLink Voice Priority (SVP). Contact  
your AP vendor if you need to upgrade the AP software.  
If you encounter difficulties or have questions regarding the  
configuration process, please contact the Customer Support Hotline at  
(800) 775-5330. The hotline is open Monday through Friday, 6 a.m. to  
6 p.m. Mountain time.  
PN: 1725-36055-001_G.doc  
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Field Verified  
Configuration Guide  
Access Point Configuration  
1. Connect to the AP.  
2. If the AP is already in use, note the IP address, subnet mask,  
default gateway, and WEP settings:  
a. From the main menu select Setup > Ethernet > Identification to  
display or modify current settings for IP address, subnet mask,  
or default gateway.  
b. From the main menu select Setup > AP Radio > Hardware to  
display or modify current settings for ESSID and frequency.  
c. From the main menu select Setup> Security > Radio Data  
Encryption (WEP) > Accept Authentication Types to display or  
modify current settings for encryption.  
3. If allowable, set the AP configuration parameters to the default  
values:  
If you are concerned whether default values will affect any  
operation of your existing WLAN please consult SpectraLink  
Customer Support for specific field default values that we  
recommend.  
a. From the main menu select Setup > Ethernet > Advanced >Restore  
Defaults.  
b. From the main menu select Setup > AP Radio > Advanced >Restore  
Defaults.  
4. If 2 Mb/s support is desired:  
a. Navigate to Data Rates: 2.0.  
b. Change value to basic.  
5. Navigate to the appropriate menu and enter the IP addressing,  
subnet mask, default gateway, ESSID, and frequency information.  
It is recommended that the AP allow the broadcast of ESSIDs to  
simplify the configuration of SpectraLink 8000 Wireless Telephones.  
SpectraLink terms this function Automatic Learn. If there are  
overlapping WLAN areas at your site, the Automatic Learn function  
may not work properly in the areas that receive signals from two or  
more APs.  
Sites with heightened security issues may not want ESSID  
broadcast enabled. If it is not enabled, the ESSID must be  
programmed into every handset.  
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Cisco: 340 Access Point  
6. By default, WEP (Wired Equivalency Privacy) is off. If WEP is  
desired, obtain the key values from the local administrator of the  
wireless LAN and use the AP vendor documents for guidance in  
programming the encryption settings.  
Note the WEP settings. The handsets require configuration with  
identical settings.  
7. Navigate to AP Radio > Hardware.  
The following table shows additional settings:  
Hardware Parameter  
Setting  
Criticality  
Allow broadcast SSID to  
associate?  
Yes  
Recommended  
Data rates:  
1.0  
Basic  
Required  
2.0  
Any  
Required  
5.5  
11.0  
Yes or no  
Yes or no  
30 mW  
584 or higher  
100  
Required  
Required  
Transmit power  
Recommended  
Required  
Fragmentation threshold  
Beacon period (Kusec)  
Data beacon rate (DTIM)  
Receive antenna  
Recommended  
Recommended  
Recommended  
Recommended  
2
Diversity  
Diversity  
Transmit antenna  
8. After these parameters have been set, click Apply to accept these  
settings.  
9. Return to the Setup menu and select Advanced to the right of the AP  
Radio section at the bottom of the screen. It is recommended that  
the Use Aironet Extensions parameter be set to No.  
10. Return to the Setup menu and select Advanced to the right of the AP  
Radio section at the bottom of the screen. It is recommended that  
the Change Radio Preamble parameter be changed to Long.  
11. The Cisco 340 Access Point has SpectraLink Voice Priority (SVP)  
active at all times. There is no parameter to enable or disable.  
12. Restart the AP.  
The AP is now ready for use with SpectraLink 8000 Wireless  
Telephones.  
PN: 1725-36055-001_G.doc  
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