Cisco 9971 Slimline, Техническое описание

Страница: 6 / 10

Data Sheet
© 2011 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information. Page 6 of 10
Feature Specifications
Network Features ●
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
Security Features
●
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
Provisioning and Manufacturing
●
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
Table 4. Wi-Fi Features and Specifications
Feature Specifications
Protocol IEEE 802.11a, 802.11b, and 802.11g
Frequency band and operating
channels Uses IEEE 802.11d to identify band ranges and channels
Support mode IEEE 802.11a
IEEE 802.11b/g
Autosensing, IEEE 802.11b/g preferred over IEEE 802.11a
Received signal strength indicator (RSSI) (default)
Data rates IEEE 802.11a:
6, 9, 12, 18, 24, 36, 48, and 54
Mbps
IEEE 802.11b:
1, 2, 5.5, and 11 Mbps
IEEE 802.11g:
6, 9, 12, 18, 24, 36, 48, and 54
Mbps
Nonoverlapping channels 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)
Wireless modulation IEEE 802.11a: OFDM
IEEE 802.11b: Direct sequence spread spectrum (DSSS)
IEEE 802.11g: OFDM and DSSS
Receiver sensitivity
(typical) 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 Mbps: -96 dBm
2 Mbps: -95 dBm
5.5 Mbps: -90 dBm
11 Mbps: -87 dBm
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