LANCOM 1811 Wireless DSL – LANCOM 1821+ Wireless ADSL
Chapter 1: Introduction
17
EN
Traffic-lock function
✔
✔
QoS für WLAN (IEEE 802.11e, WMM/WME)
✔
✔
VoIP functions
SIP users
4/32
1)
4/32
1)
ISDN users
4/32
1)
4/32
1)
Lines to SIP providers
16
1)
16
1)
Lines to SIP PBX
4
1)
4
1)
external ISDN busses for VoIP
1
1
1
1
1)
depending on VoIP option (Basic/Advanced)
WAN connections
Connection for DSL or cable modem
✔
✔
Integrated ADSL modem (ADSL2+ ready)
✔
ISDN S
0
bus in multi device-mode or in point-to-point mode with automatic D-channel
protocol identification. Supports static and dynamic channel bundling per MLPPP and BACP
as well as Stac data compression (Hi/fn)
✔
✔
LAN connection
Separate FastEthernet LAN ports, individually switchable, e.g. as LAN switch or separate
DMZ ports; auto crossover.
Alternatively switchable as a WAN interface for connecting SDSL modems.
4
4
USB connector
USB 2.0 host port (full speed: 12 Mbps) for connecting a USB printer and for future extensi-
ons
✔
Security functions
IPSec encryption via external software (VPN client)
✔
✔
5 integrated VPN tunnels for secure network connections
✔
✔
IPSec encryption in hardware (optional; activated with the VPN-25 option)
✔
✔
LANCOM 18
11
Wir
eless DSL
LANCOM 1821+
Wir
eless ADS
L