3COM H3C Wireless Access Controller Module
Mfg Part #: 0231A81K

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The H3C Wireless Access Controller Module can be used to manage 802.11a/b/g/n Access Points. In 802.11n mode, the H3C 802.11n-based AP can provide wireless access rates equivalent to six times the wireless access rates provided by a conventional 802.11a/b/g network, enlarging coverage and deploying wireless multimedia applications.
To ensure the seamless transmission of data, H3C Wireless Access Controllers support both centralized and distributed data forwarding. Combining the advantages of both techniques, users can configure local forwarding for data traffic from clients with a specified SSID, VLAN, or SSID+VLAN and centralized forwarding for data traffic from other clients. This architecture effectively separates control traffic from data traffic that reduces or eliminates potential AC processing performance bottlenecks.
The H3C Wireless Access Controller Module supports intelligent load balancing technology that optimizes wireless capacity. When the AC discovers that the load of the AP exceeds the preset threshold value, it will calculate automatically whether a user has another AP with a light load in the surrounding area. If there is, the AP will reject the request of the user for association. The user will then access the AP with the lighter load. However, if the wireless user is not within the overlapping area of the AP, the traditional load balancing mode will usually result in network connection failure and, eventually, mistaken balancing. H3C load balancing technology ensures that the AP load balancing function is enabled only for the wireless user within the AP overlapping area, effectively avoiding mistaken load balancing altogether.
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General Specifications
| Manufacturer | 3COM |
| Manufacturer Part # | 0231A81K |
| Cost Central Item # | 10604667 |
| Product Description | H3C Wireless Access Controller Module - Network management device - plug-in module |
| Device Type | Network management device |
| Enclosure Type | Plug-in module |
| Approximate Dimensions (WxDxH) | 14.4 in x 13.4 in x 1.7 in |
| Approximate Weight | 7.3 lbs |
| Network / Transport Protocol | TCP/IP, UDP/IP, ICMP/IP |
| Remote Management Protocol | SNMP 1, Telnet, SNMP 2c, HTTP, HTTPS, SSH-2 |
| Features | DHCP support, ARP support, load balancing, VLAN support, Syslog support, DiffServ support, SNTP support, Wi-Fi Multimedia (WMM) support, Trivial File Transfer Protocol (TFTP) support, Access Control List (ACL) support, Quality of Service (QoS) |
| Manufacturer Warranty | 1 year warranty |
Extended Specifications
General
| Device Type | Network management device |
| Approximate Width | 14.4 in |
| Approximate Depth | 13.4 in |
| Approximate Height | 1.7 in |
| Approximate Weight | 7.3 lbs |
Networking
| Form Factor | Plug-in module |
| Network / Transport Protocol | TCP/IP, UDP/IP, ICMP/IP |
| Remote Management Protocol | SNMP 1, Telnet, SNMP 2c, HTTP, HTTPS, SSH-2 |
| Capacity | Manageable access points : 128 |
| Features | DHCP support, ARP support, load balancing, VLAN support, Syslog support, DiffServ support, SNTP support, Wi-Fi Multimedia (WMM) support, Trivial File Transfer Protocol (TFTP) support, Access Control List (ACL) support, Quality of Service (QoS) |
| Encryption Algorithm | RSA, RC4, 128-bit WEP, 64-bit WEP, 40-bit WEP, SSL, TLS, 104-bit WEP, TKIP, WPA, WPA2, 128-bit AES |
| Authentication Method | RADIUS, CHAP, Extensible Authentication Protocol (EAP) |
| Compliant Standards | IEEE 802.1D, IEEE 802.1Q, IEEE 802.1p, IEEE 802.3af, IEEE 802.11d, IEEE 802.1x, IEEE 802.11i, IEEE 802.11h |
Miscellaneous
| MTBF | 350,000 hour(s) |
| Compliant Standards | CISPR 22 Class A, EN 60950, EN 61000-3-2, VCCI Class A ITE, EN55024, EN55022 Class A, UL 60950, UL 60950 Third Edition, EN 61000-4-2, EN 61000-4-6, ICES-003 Class A, EN 61000-4-11, CSA C22.2 No. 60950 Third Edition, FCC Part 15 A |
Manufacturer Warranty
| Service & Support | 1 year warranty |
| Service & Support Details | Limited warranty - 1 year |
Environmental Parameters
| Min Operating Temperature | 32 °F |
| Max Operating Temperature | 113 °F |
| Humidity Range Operating | 10 - 95% |
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