Cisco Cisco Aironet 1400 Wireless Bridge 설치 가이드
7
Cisco Aironet 1400 Series Outdoor Wireless Bridge 9-dBi Omnidirectional Antenna
78-15545-01
Aligning the Antenna
Follow these steps to mount the antenna to a mast.
Step 1
Assemble the aluminum bracket to the mast with the 1/4-20 x 2.5 in. pipe U-bolt. Install the washers in
the following order:
the following order:
a.
Flat washer
b.
Spring lock washer
c.
Nut
Step 2
Tighten the U-bolt nuts hand tight, then use a 7/16-in. (11-mm) wrench to tighten them securely to the
mast. Do not overtighten.
mast. Do not overtighten.
Step 3
Insert the top of the antenna upward through the cast aluminum bracket until it is positioned as shown
in
in
. Make sure the drain holes are exposed.
Step 4
Use a 5/32-in. (4-mm) hex head wrench to tighten the 5/16-18 socket head set screw to hold the antenna
in place. Do not overtighten.
in place. Do not overtighten.
Step 5
Position a small level on two sides of the antenna 90 degrees apart and make sure the antenna is truly
vertical.
vertical.
Step 6
Connect the antenna coaxial cable to the bridge’s Type-N antenna connector.
Step 7
Form a drip loop in the cable.
Step 8
Tighten the antenna connection until it is hand-tight.
Note
If you prefer to tighten the antenna connection, use a torque-limiting tool like those listed in the
Tools and Equipment Required section and tighten it to 14-inch pounds. 14-inch pounds is
basically the torque a person can achieve using one hand.
Tools and Equipment Required section and tighten it to 14-inch pounds. 14-inch pounds is
basically the torque a person can achieve using one hand.
Step 9
Use coaxial connector sealing compound to make the bridge antenna connection weather-proof. Follow
the instructions supplied in the Cisco Aironet 1400 Series Wireless Bridge Mounting Instructions.
the instructions supplied in the Cisco Aironet 1400 Series Wireless Bridge Mounting Instructions.
Aligning the Antenna
With the exception of the following, no antenna alignment procedures are required:
•
Verify that nothing obstructs the line of sight between the antenna and the devices to which it
associates.
associates.
•
Ensure that the antenna is mounted vertically.
Note
A comprehensive discussion of antenna alignment theory and procedures is contained in the Cisco
Aironet 1400 Series Wireless Bridge Mounting Instructions.
Aironet 1400 Series Wireless Bridge Mounting Instructions.