User ManualTable of ContentsW2X SERIES OVERVIEW5INTRODUCTION5ERICSSON W20/W21 - DATA TERMINAL5ERICSSON W25 – DATA AND VOICE TERMINAL6ERICSSON W2X FEATURE SUMMARY6HARDWARE ARCHITECTURE8POWER SUPPLY8Power Adapter8Battery Backup (W25 only)8UMTS/GSM RADIO INTERFACES8UMTS8GPRS/EDGE8HSDPA Throughput Rates9Data Transmission10Frequency Bands (W20)11Frequency Bands (W21/W25)12Standard UMTS/GSM Antenna12UMTS/GSM Window Antenna12UMTS/GSM Roof Antenna12SIM/USIM Interface12WIRELESS LAN (WLAN) INTERFACE13Wireless Radio Channels13Internal WLAN Antennas13USB INTERFACE14ETHERNET INTERFACE14Built-in LED indicators14TELEPHONY INTERFACE (W25)14CONNECTORS14W20/W21 Connectors14W25 Connectors15LED INDICATORS15W20/W21 LED Indicators16W25 LED Indicators16DATA FEATURES AND FUNCTION17LAYER 2 FUNCTIONS17Bridging LAN and WLAN17WLAN Whitelist17INTERNET PROTOCOL SERVICES17IP Forwarding17DNS17DHCP Server17SNTP17NAT17IP Quality of Service18UPnP18VPN Pass-Through18PPP Clients18SIP (W25 only)18USB SERVICES18AUTHENTICATION19TELEPHONY FEATURES (W25 ONLY)20LINE INTERFACE20Ringing Signal20CLIP, CWI and Voice Mail Alert20Hook Flash20UMTS/GSM SUPPLEMENTARY SERVICES20DIAL PROCESS21Dialed Number Modification21Local Call Prefix21Fixed Number Dialing21Fax Dialing21Supplementary Services21DTMF TRANSMISSION22EMERGENCY CALLS22FAX SUPPORT (W25 ONLY)23SIGNALING23SECURITY23MEDIA STREAM23Jitter Buffer23Echo Canceller23QoS23WIRELESS LAN (WLAN)24SSIDS24WIRELESS SECURITY24WEP24WPA / WPA224Whitelist24CONFIGURATION AND MANAGEMENT25WEB USER INTERFACE25COMMAND LINE INTERFACE25ACCESS CONTROL25MANAGEMENT TOOLS26Software Update26System Log26Fault Management26Security Management27TEMS Investigation Support27SECURITY28OPERATOR LOCK28PIN LOCK28MECHANICAL ANTI-THEFT KIT28REGULATORY APPROVALS29ROHS DIRECTIVE29WEEE MARKING29SAR29ENVIRONMENTAL29INTENDED USE29ACRONYMS AND ABBREVIATIONS30Size: 234 KBPages: 33Language: EnglishOpen manual