3Com 3CWE591, Обзор

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4 3C
OM
W
IRELESS
LAN M
OBILITY
S
YSTEM
E
XTERNAL
D
UAL
-B
AND
A
NTENNA
G
UIDE
Connecting the Antenna
Cable to the AP
When connecting the external antenna cable to your access point, be sure to
connect the cable to the proper antenna jack. Figure 1 through Figure 4 illustrate
the external antenna connectors on the 3Com wireless access points.
Be sure to follow the installation instructions that came with your access point and
external antenna.
Figure 1 3Com AP2750 External Antenna Connector
Figure 2 3Com AP3750 External Antenna Connectors
Table 5 Supported 3Com External Antenna Cables
Model No. Description Length Gain Connectors
*
3CWE580 3Com Ultra-Low-Loss
6-foot Antenna Cable 1.8 m (6 ft) 2.4 GHz: -0.6 dBl
5.0 GHz: -1.2 dBl SMA (male) to
N-type (male)
3CWE581 3Com Ultra-Low-Loss
20-foot Antenna Cable 6.1 m (20 ft) 2.4 GHz: -2.0 dBl
5.0 GHz: -4.0 dBl SMA (male) to
N-type (male)
3CWE582 3Com Ultra-Low-Loss
50-foot Antenna Cable 15.2 m (50 ft) 2.4 GHz: -5.0 dBl
5.0 GHz: -10.0 dBl
SMA (male) to
N-type (male)
* Each 3Com cable includes a separate 50 Ohm SMA terminator.
AP2750
External
Connect
50 Ohm terminator
here
Antenna
Connector
AP3750
External Antenna Connectors
802.11b/g
802.11a