Askey RTW020, User Manual

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Introduction
1-2
– Glueless connection to Intersil PRISMI, PRISMII Direct Sequence Spread Spectrum
(DSSS) radio chip set. Able to communicate also with other DSSS radios
– Supports 11, 5.5, 2 and 1 Mbps rates
– WEP encryption/decryption is accomplished on the fly
– Ethernet MAC supports MII interface and 10/100Mbit speeds
– Hardware modules for Packet Filtering and statistics gathering
– Glueless SRAM, Flash interface for data buffering and program storage, supporting
up to 16 MB of memory
– Integrated 2 x 6K x 32 bit internal SRAM modules for fast 32-bit program execution
and temporary storage of data
– Supports 3V supply
– 128-pin PQFP, TQFP
– JTAG Boundary Scan (IEEE 1149.1) test access port for board-level production test
1.4 Firmware
Features
The IEEE 802.11 HR firmware implementation for the supports:
– Distributed Coordination Function
CSMA/CA
Backoff Procedure
NAV Management
ACK Procedure
Retransmission of unacknowledged frames
– RTS/CTS Handshake
– Duplicate Detection and Recovery
– Beacon Generation
– Probe Response
– Fragmentation and Reassembly
– Wired Equivalent Privacy Algorithm (WEP 40 bits)
– Authentication Algorithm (Open System, Shared Key)
– Short Preamble
1.5 Bridging
Functions
The following bridging functions are supported:
– Automatic Learning Process
– Filtering Database
– Forwarding Process
– Protocol Filtering
– IP Filtering
1.6 Management
For Bridge Management supports:
– SNMP (MIB, traps)
– TFTP (firmware download)
– USB (DFU-configuration)
1.7 Roaming
Roaming functions supported:
– Among APs on the same subnet
1.8 Operation Modes
Operation Modes supported:
– Access Point
1.9 Network
Interface
AP supports 10/100 Mbps network interface.
1.10 Radio Interface
As far as the radio interface is concerned, AP supports:
– Antenna Diversity
– Specific Antenna Tx/Rx