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RangeLAN2 7540/41 Extension Point
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Extend Wireless LANs to Areas Unreachable by Network Wiring
The RangeLAN2 7540 Series Extension Point (EP) provides wireless LAN coverage in
places you never thought possible. Proxim's innovative 10BaseFree™ two-radio
architecture supports data mobility like a RangeLAN2 Access Point, but without the
inconvenience of a hardwired network connection. Using one radio to support local stations
and a separate radio to rebroadcast data back to the wired LAN, 10BaseFree architecture
maximizes performance, network design flexibility, and failure recovery robustness. Best
of all, EPs are compatible with all OpenAir™-compliant end-user devices.
RangeLAN2 7540 Series EPs use Proxim's patented frequency-hopping spread-spectrum (FHSS) technology. Products based on this technology have been named PC Magazine's Editors' Choice and LAN Magazine's Product of the Year. More OEM solutions providers have standardized on RangeLAN2 technology than all other wireless LAN solutions combined.
Two-radio Architecture Delivers High Performance
The 10BaseFree two-radio architecture prevents mobile station "blocking" by
giving the backbone link its own non-interfering channel. Dynamic bandwidth allocation
reserves bandwidth for backbone links under all network load conditions. Other solutions
compromise throughput with single-radio designs, forcing bandwidth sharing between
downstream links, local mobile stations, and upstream traffic.
SmartAttach™ Configuration for Robust Failure Recovery
From simple to complex network topologies, RangeLAN2 7540 Series EPs give network
designers the options they need. Simple network extensions require no configuration at
all. For more complex networks designers can use SmartAttach to specify preferred and
fallback connections for predictable performance and graceful failure recovery.
Easy to Manage
RangeLAN2 7540 Series EPs incorporate features that ease management and diagnostic tasks.
Units unable to find a connection for backbone traffic automatically enter a special
"error domain," which frees attached clients to look for alternate connections.
Network managers can connect to the EP and troubleshoot from the ground. Managers can also
use telnet, SNMP, modem, or a direct wired connection to review tree-oriented lists of
current backbone connections and other important management information.
| General | |
| Architecture | 10BaseFree two-radio design a) Backbone (BB) radio - Rebroadcasts traffic bound for wired network b) Basic Service Area (BSA) radio - Handles local roaming clients and traffic from backbone radios |
| Radio Data Rate | 1.6 Mbps, each radio |
| Channels | Supports 15 independent, non-interfering "virtual channels" (hopping patterns) |
| Range (Varies by antenna)) | Up to 3 miles (5km) point-to-point outdoors line of sight (antenna dependent, not all antennas are available in all markets). Up to 500 ft. (150m) radius (using 7015 omnidirectional antenna) |
| Security | Data scrambling; 20 character encrypted security ID |
| Certifications | a) US - FCC Part 15, UL b) International - Contact Proxim for a list of currently certified countries |
| Compatibility | Fully interoperable with all RangeLAN2 and Wireless LAN Interoperability
Forum (WLI Forum) products. Connection to Token Ring networks requires RangeLAN2 7530 Series operating in transparent mode. |
| Warranty | 1 year parts and labor (return to the factory) |
| Network Information | |
| Maximum Hop Depth | 3 |
| Domains | Choice of 16 domains. Multiple Extension/Access Point on the same domain enable seamless, wireless networks |
| SmartAttach: | a) Master lists - Specify the preferred and fallback links used during
boot and failure recovery b) Backbone Link Search Timer--Timeout specifying when to attach to fallback master(s) when preferred master is not available c)Error Domain--Allows roaming clients to seek other connections when backbone link fails; allows from-the-ground troubleshooting |
| Installation & Management | |
| Management Interfaces | SNMP; text-based menu system |
| Wireless Network Management | Radio and network statistics; antenna aiming tool; link quality diagnostics |
| SNMP Agents | Version 1 RFC 1213, 1493; Proxim Enterprise MIB |
| SNMP Traps | Cold start; link up; link down; authorization; other vendor-specific |
| Physical Management Connections | Phone line via customer-supplied modem; wireless network; direct cabled connection/DB9 plug, requires customer-supplied null modem cable |
| Radio | |
| Frequency Band | 2.4 GHz frequency band, actual frequencies in use vary by country |
| Radio Type | Frequency Hopping Spread Spectrum (FHSS) |
| Radio Power Output | 500 mW or 100 mW (varies by country, not user-configurable) |
| Environmental | |
| Temperature Range | -20 to 60 C degrees |
| Humidity (non-condensing) | 10 to 90% |
| Enclosure (available separately) | Optional NEMA 4 rain and splash proof; heater option; RF connectors |
| Physical Specifications | |
| Weight | Approximately 1.5 lbs. (0.7 kg) |
| Size | 1.66" high x 6.54" long x 8.54" wide (42mm x 166mm x 217mm) |
| Input Voltage | 10 to 18 VDC |
Accessories Included
Operating manual
| Ordering Information (Two Antennas Required for each EP) | ||||||
| Extension Points | Backbone Antennas | BSA Antennas | ||||
| 7540 RangeLAN2 EP, 100mW |
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| 7541 RangeLAN2 EP XR, 500mW* |
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* Check for availability in your market.
** Not FCC approved for use with 7541.
+ These are the only antennas approved for Europe (per ETSI rules).
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