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11 Appendix
11.1
Performance data and specifications
Connections
Ethernet LAN
WAN (ADSL)
ISDN
WLAN
Outband
Power supply
Wireless
Frequency band
LAN
Standards
Housing
Norms
Licences
Environ-
ment / tem-
perature
range
LANCOM 1811n Wireless – LANCOM 1821n Wireless
LANCOM 1811n Wireless
4x 10/100Base-TX, auto sensing, switch with node/hub auto sensing, cable
tester
10/100Base-TX, auto sensing
ISDN S
0
Two 3 dBi dipole antennas (in package contents) and one 3 dBi internal dipole
antenna. Two reverse SMA connectors for external LANCOM AirLancer Extender
antennas or antennas of other manufacturers. Please remember the legal
requirements of your country for operating antenna systems. Information about
the calculation of conforming antenna configurations under www.lancom.eu.
serial V.24/V.28 port (8 pol. mini DIN)
12V DC over external power adapter, or PoE compliant with IEEE 802.3af.
Permitted power supplies:
NEST 12V/1A DC/S Hohlstkr 2.1/5.5mm (RoHS)
LANCOM item no. 110524
Type identification on the power supply „Type: 15.2230S"
2400 - 2483,5 MHz (ISM) or 5150 - 5750 MHz
IEEE 802.11a
IEEE 802.11g
(compatible to IEEE 802.11b),
IEEE 802.11n
210 mm x 143 mm x 45 mm (W x H x D), rugged plastic case, provision for wall
mounting
CE conform according to EN 300 328, EN 301 893, EN 55024, EN 55022, EN
55011, EN 50081, EN 60950, ES 59005, EN 60950
Notified in the countries Germany, Belgium, Netherlands, Luxembourg, Austria,
Switzerland, Great Britain, Italy. More information about added notifications
under www.lancom.eu.
Temperature range 0°C to +35°C at 80% max. humidity (non condensing)
Chapter 11: Appendix
LANCOM 1821n Wireless
ADSL over ISDN as per ITU G.992.1
Annex B (compatible to U-R2 connec-
tions of the Deutsche Telekom) or
ADSL over POTS as per ITU G.992.1
Annex A
ADSL over ISDN as per ITU 992.3, ITU
G.992.5 Annex B (ADSL2+) or ADSL
over POTS naas per ITU G992.3 and
ITU G.992.5 Annex A
93
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