Ericsson W2x Series User Manual
2
221 02-FGB 101 327 Uen C - December 2006
Contents
1
W2X SERIES OVERVIEW.........................................................5
1.1
I
NTRODUCTION
............................................................................5
1.2
E
RICSSON
W20/W21
-
D
ATA
T
ERMINAL
.......................................5
1.3
E
RICSSON
W25
–
D
ATA AND
V
OICE
T
ERMINAL
..............................6
1.4
E
RICSSON
W2
X
F
EATURE
S
UMMARY
............................................6
2
HARDWARE ARCHITECTURE ................................................8
2.1
P
OWER
S
UPPLY
...........................................................................8
2.1.1
Power Adapter ...........................................................................8
2.1.2
Battery Backup (W25 only) ........................................................8
2.2
UMTS/GSM
R
ADIO
I
NTERFACES
.................................................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
W
IRELESS
LAN
(WLAN)
I
NTERFACE
..........................................13
2.3.1
Wireless Radio Channels.........................................................13
2.3.2
Internal WLAN Antennas .........................................................13
2.4
USB
I
NTERFACE
........................................................................14
2.5
E
THERNET
I
NTERFACE
...............................................................14
2.5.1
Built-in LED indicators..............................................................14
2.6
T
ELEPHONY
I
NTERFACE
(W25)...................................................14
2.7
C
ONNECTORS
............................................................................14
2.7.1
W20/W21 Connectors..............................................................14
2.7.2
W25 Connectors ......................................................................15
2.8
LED
I
NDICATORS
.......................................................................15
2.8.1
W20/W21 LED Indicators.........................................................16
2.8.2
W25 LED Indicators .................................................................16
3
DATA FEATURES AND FUNCTION ......................................17
3.1
L
AYER
2
F
UNCTIONS
..................................................................17
3.1.1
Bridging LAN and WLAN .........................................................17
3.1.2
WLAN Whitelist ........................................................................17
3.2
I
NTERNET
P
ROTOCOL
S
ERVICES
................................................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