2 221 02-FGB 101 327 Uen C - December 2006
Contents
1 W2X SERIES OVERVIEW.........................................................5
1.1 INTRODUCTION ............................................................................5
1.2 ERICSSON W20/W21 - DATA TERMINAL .......................................5
1.3 ERICSSON W25 – DATA AND VOICE TERMINAL..............................6
1.4 ERICSSON W2X FEATURE SUMMARY............................................6
2 HARDWARE ARCHITECTURE ................................................8
2.1 POWER SUPPLY...........................................................................8
2.1.1 Power Adapter ...........................................................................8
2.1.2 Battery Backup (W25 only) ........................................................8
2.2 UMTS/GSM RADIO INTERFACES .................................................8
2.2.1 UMTS.........................................................................................8
2.2.2 GPRS/EDGE..............................................................................8
2.2.3 HSDPA Throughput Rates.........................................................9
2.2.4 Data Transmission...................................................................10
2.2.5 Frequency Bands (W20)..........................................................11
2.2.6 Frequency Bands (W21/W25)..................................................12
2.2.7 Standard UMTS/GSM Antenna................................................12
2.2.8 UMTS/GSM Window Antenna .................................................12
2.2.9 UMTS/GSM Roof Antenna.......................................................12
2.2.10 SIM/USIM Interface..................................................................12
2.3 WIRELESS LAN (WLAN) INTERFACE ..........................................13
2.3.1 Wireless Radio Channels.........................................................13
2.3.2 Internal WLAN Antennas .........................................................13
2.4 USB INTERFACE ........................................................................14
2.5 ETHERNET INTERFACE ...............................................................14
2.5.1 Built-in LED indicators..............................................................14
2.6 TELEPHONY INTERFACE (W25)...................................................14
2.7 CONNECTORS............................................................................14
2.7.1 W20/W21 Connectors..............................................................14
2.7.2 W25 Connectors ......................................................................15
2.8 LED INDICATORS.......................................................................15
2.8.1 W20/W21 LED Indicators.........................................................16
2.8.2 W25 LED Indicators.................................................................16
3 DATA FEATURES AND FUNCTION ......................................17
3.1 LAYER 2 FUNCTIONS..................................................................17
3.1.1 Bridging LAN and WLAN .........................................................17
3.1.2 WLAN Whitelist........................................................................17
3.2 INTERNET PROTOCOL SERVICES ................................................17
3.2.1 IP Forwarding...........................................................................17
3.2.2 DNS .........................................................................................17
3.2.3 DHCP Server ...........................................................................17
3.2.4 SNTP .......................................................................................17
3.2.5 NAT..........................................................................................17
3.2.6 IP Quality of Service ................................................................18
3.2.7 UPnP........................................................................................18
3.2.8 VPN Pass-Through..................................................................18
3.2.9 PPP Clients..............................................................................18
