WLAN Features (Available with Wireless Option)
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Standard 802.11 a/g/n access point
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● Optional on Cisco 890 Series models
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WLAN hardware
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● Support for Cisco CleanAir technology on Cisco 897 and 891F
● Automatic rate selection for 802.11a/g/n
● Noncaptive RPTNC omnidirectional dipole antennae; 2-dBi gain @ 2.4 GHz, 5-dBi gain @ 5 GHz
● 2 x 3 multiple input, multiple output (MIMO) radio operation
● Wi-Fi 802.11n Draft v2.0 certified
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WLAN software features
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● Autonomous or unified access point
● Cisco WCS support for monitoring of autonomous-mode access points
● Option to maximize throughput or maximize range
● Software-configurable transmit power
● Radio roles, including access point, root bridge, nonroot bridge, and workgroup bridge
● Wi-Fi Multimedia (WMM) certification
● Traffic specifications (TSPEC) Call Admission Control (CAC) to ensure voice quality is maintained
● Unscheduled Automatic Power Save Delivery (UPSD) to reduce latency
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WLAN security features
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● Standard 802.11i
● Wi-Fi Protected Access (WPA) and AES (WPA2)
● EAP authentication: Cisco Light Extensible Authentication Protocol (LEAP), Protected Extensible Authentication Protocol (PEAP), Extensible Authentication Protocol Transport Layer Security (EAP TLS), Extensible Authentication Protocol-Flexible Authentication via Secure Tunneling (EAP-FAST), Extensible Authentication Protocol-Subscriber Information Module (EAP-SIM), Extensible Authentication Protocol-Message Digest Algorithm 5 (EAP-MD5), and Extensible Authentication Protocol‑Tunneled TLS (EAP-TTLS)
● Static and dynamic Wired Equivalent Privacy (WEP)
● Temporal Key Integrity Protocol/Simple Security Network (TKIP/SSN) encryption
● MAC authentication and filter
● User database for survivable local authentication using LEAP and EAP-FAST
● Configurable limit to the number of wireless clients
● Configurable RADIUS accounting for wireless clients
● Preshared keys (PSKs) (WPA-small office or home office [WPA-SOHO])
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Certifications
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Service Set Identifiers (SSIDs) and Multiple Broadcast SSIDs
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● 16
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Wireless VLANs
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● 14 (encrypted and nonencrypted VLANs)
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Default and maximum DRAM
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● 512 and 768 MB, respectively, on Cisco 891 and 892 Series data models; upgrade option available
● 512 MB on Cisco 892F
● Up to 1 GB on Cisco 892FSP, 896VA, 897VA, 897VAB, 898EA, 891F, and 891-24X data models; upgrade option available
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Default and maximum flash memory
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● 256 on all Cisco 890 ISR models; not upgradable
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WAN
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● Refer to Table 2 for details
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LAN switch
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● Refer to Table 2 for details
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Separate console and auxiliary ports
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● RJ-45
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USB 2.0
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● Two USB 2.0 ports available on Cisco 891, 892, and 892F models
● One USB 2.0 port available on Cisco 892FSP, 896VA, 897VA, 897VAB, 898EA, 891F, and 891-24X
● USB devices supported:
◦ USB eTokens on Cisco 891, 892, and 892F only
◦ USB flash memory
Note: USB 2.0 ports cannot be used for connecting external devices other than those specified at:http://www.cisco.com/en/US/prod/collateral/modules/ps6247/product_data_sheet0900aecd80232473.html.
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ISDN BRI S/T
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● Refer to Table 2 for details
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Inline PoE
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● Optional internal adapter for inline PoE on 4 switch ports for IP phones or external wireless access points; 802.3af-compliant and Cisco PoE-compliant
● No PoE support on Cisco 892FSP
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Wireless specifications
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● 2.4 and 5 GHz
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