26
3
Connect one end of the optional antenna cable to the antenna and secure
the antenna in place.
4
Connect the free end of the antenna cable to the right-hand side connection
on the access point, as shown in the illustration above.
5
Make certain that the antennas and antenna masts are appropriately
grounded to prevent injury or damage from lightning strikes. Proper
grounding for outdoor installations may require the purchase of a third-party
lightning arrestor.
P
OWER
S
ETTINGS
ON
THE
E
XTERNAL
A
NTENNAS
The following tables describe the power settings for the 802.11g radio on the
AP8250 and AP8750.
USA
European Community
Note
: The power settings for the 802.11a radio on the AP8850 were unavailable
at the time of publication. Please check the 3Com web site or the Release Notes
included with the access point for the appropriate power levels.
2.5dBi
(3CWE492)
4dBi
(3CWE490,
3CWE497)
8dBi
(3CWE491,
3CWE498)
3CWE580
100%
100%
100%
3CWE581
100%
100%
100%
3CWE582
100%
100%
100%
2.5dBi
(3CWE492)
4dBi
(3CWE490,
3CWE497)
8dBi
(3CWE491,
3CWE498)
13dBi
(3CWE495)
3CWE580
100%
100%
25%
12.5%
3CWE581
100%
100%
100%
25%
3CWE582
100%
100%
100%
100%