Cisco 9971 Slimline Scheda tecnica - Pagina 6
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Feature
Network Features
Security Features
Provisioning and Manufacturing
Table 4.
Feature
Protocol
Frequency band and operating
channels
Support mode
Data rates
Nonoverlapping channels
Wireless modulation
Receiver sensitivity
(typical)
© 2011 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.
Specifications
● Cisco Discovery Protocol (CDP)
● Link Layer Discovery Protocol Power over Ethernet (LLDP-PoE)
● Transparent secure roaming
● Provisioning of network parameters through DHCP
● Switch Auto-Negotiation
● VPN Client
● Certificates
● Image authentication
● Device authentication
● File authentication
● Signaling authentication
● Media encryption using Secure Real-Time Protocol (SRTP)
● Signaling encryption using Transport Layer Security (TLS) Protocol
● Certificate authority proxy function (CAPF)
● Secure profiles
● Encrypted configuration files
● Cisco Unified Communications Manager Express Version Negotiation
● Web server for configuration and statistics
● QoS reporting: jitter, delay, dropped packets, and latency on a per-call basis
● Real Time Control Protocol (RTCP) support and monitoring
● Syslog
Wi-Fi Features and Specifications
Specifications
IEEE 802.11a, 802.11b, and 802.11g
Uses IEEE 802.11d to identify band ranges and channels
IEEE 802.11a
IEEE 802.11b/g
Autosensing, IEEE 802.11b/g preferred over IEEE 802.11a
Received signal strength indicator (RSSI) (default)
IEEE 802.11a:
6, 9, 12, 18, 24, 36, 48, and 54
Mbps
IEEE 802.11a: Up to 23 (including radar channels)
IEEE 802.11b/g: 3 (Japan uses 4)
(Bluetooth 2.0 also makes use of the 2.4 GHz spectrum, so IEEE 802.11a is recommended when using
Bluetooth 2.0)
IEEE 802.11a: OFDM
IEEE 802.11b: Direct sequence spread spectrum (DSSS)
IEEE 802.11g: OFDM and DSSS
IEEE 802.11a:
6 Mbps: -91 dBm
9 Mbps: -90 dBm
12 Mbps: -88 dBm
18 Mbps: -86 dBm
24 Mbps: -82 dBm
36 Mbps: -80 dBm
48 Mbps: -77 dBm
54 Mbps: -75 dBm
IEEE 802.11b:
1, 2, 5.5, and 11 Mbps
IEEE 802.11b:
1 Mbps: -96 dBm
2 Mbps: -95 dBm
5.5 Mbps: -90 dBm
11 Mbps: -87 dBm
Data Sheet
IEEE 802.11g:
6, 9, 12, 18, 24, 36, 48, and 54
Mbps
v802.11g:
6 Mbps: -91 dBm
9 Mbps: -90 dBm
12 Mbps: -87 dBm
18 Mbps: -86 dBm
24 Mbps: -82 dBm
36 Mbps: -80 dBm
48 Mbps: -77 dBm
54 Mbps: -76 dBm
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