Technical Specifications

Azimuth and Elevation Radiation Patterns

Elevation - Port A	Azimuth - Port A
Elevation - Port B	Azimuth - Port B
Elevation - Port C	Azimuth - Port C
Elevation - Port D	Azimuth - Port D
Elevation - Port E	Azimuth - Port E
Elevation - Port F	Azimuth - Port F
Elevation - Port G	Azimuth - Port G
Elevation - Port H	Azimuth - Port H

Safety Precautions

• Installation of this antenna near power lines is dangerous. For your safety, follow the installation directions.

Each year, hundreds of people are killed or injured when attempting to install an antenna. In many of these cases, the victim was aware of the danger of electrocution, but did not take adequate steps to avoid the hazard.

For your safety, and to help you achieve a good installation, read and follow these safety precautions. They may save your life!

■If you are installing an antenna for the first time, for your own safety as well as that of others, seek professional assistance. Your Cisco sales representative can explain which mounting method to use for the size and type of antenna you are about to install.

■Select your installation site with safety as well as performance in mind. Remember that electric power lines and phone lines look alike. For your safety, assume that any overhead line can kill you.

■Call your electric power company. Tell them your plans and ask them to come and look at your proposed installation. This is a small inconvenience considering your life is at stake.

■Plan your installation carefully and completely before you begin. Successful raising of a mast or tower is largely a matter of coordination. Each person should be assigned a specific task, and should know what to do and when to do it. One person should be in charge of the operation to issue instructions and watch for signs of trouble.

■When installing your antenna, remember:

– Do not use a metal ladder.

– Do not work on a wet or windy day.

– Do dress properly—shoes with rubber soles and heels, rubber gloves, long sleeved shirt or jacket.

■If the assembly starts to drop, get away from it and let it fall. Remember, the antenna, mast, cable, and metal guy wires are all excellent conductors of electrical current. Even the slightest touch of any of these parts to a power line completes an electrical path through the antenna and the installer: You!

■If any part of the antenna system should come in contact with a power line, don’t touch it or try to remove it yourself. Call your local power company. They will remove it safely.

■If an accident occurs with the power lines, call for qualified emergency help immediately.

For a listing of all the warning statements and their translations, see Translated Safety Warnings for Cisco Aironet Access Points at:

http://www.cisco.com/c/en/us/td/docs/wireless/access_point/warnings/reference/guide/ap_warn1.html

Installation Notes

Antennas transmit and receive radio signals that are susceptible to RF obstructions and common sources of interference that can reduce throughput and the range of the device to which they are connected. Follow these guidelines to ensure the best possible performance:

■Install the antenna vertically and mount it with the cables pointing towards the ground.

■Keep the antenna away from metal obstructions such as heating and air-conditioning ducts, large ceiling trusses, building superstructures, and major power cabling runs. If necessary, use a rigid conduit to lower the antenna away from these obstructions.

■In an outdoor environment, connect the antenna to a lightning arrestor and ensure proper grounding.

■The density of the materials used in a building’s construction determines the number of walls the signal can pass through and still maintain adequate signal strength. Consider the following before choosing the location for your antenna:

–Signals penetrate paper and vinyl walls with little change to signal strength.

–Signals penetrate only one or two solid and precast concrete walls without degrading signal strength.

–Signals penetrate three or four concrete and wood block walls without degrading signal strength.

–Signals penetrate five or six walls constructed of drywall or wood without degrading signal strength.

–Signals are likely to reflect off a thick metal wall and may not penetrate it at all.

–Signals are likely to reflect off a chain link fence or wire mesh spaced between 1 and 1 1/2 inch. (2.5 and 3.8 cm). The fence acts as a harmonic reflector that blocks the signal.

■Install the antenna away from microwave ovens and 2 GHz cordless phones. These products can cause signal interference because they operate in the same frequency range as the device to which your antenna is connected.

Contents of the Antenna and Bracket Kit

Figure 1 Contents of the Antenna Bracket Kit

Dimensions of the Antenna and Brackets

The dimensions noted in the following illustrations are all in mm, unless noted otherwise.

Figure 2 Dimensions of the Antenna with Brackets and Cables

Figure 3 Locations of Screw Holes and Pressure Vent at the Back of the Antenna

Figure 4 Locations of the Screw Holes on the Articulating Mount Flange

Installing the Antenna

You can install the antenna on a wall or ceiling (must be a flat surface), or on a pole with a minimum diameter of 2 inches (5.08 cm) and a maximum diameter of 5 inches (12.7 cm).

To install the antenna:

Mounting on a Wall or Ceiling Using Articulating Bracket

Note The fasteners and mounting surface should be capable of maintaining a minimum pullout force of 150 pounds (68 kg) to support the weight of the antenna along with the potential wind loading on the antenna.

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Determine the mounting location for the antenna.

1. Attach the free articulating mount flange to the wall or ceiling using four 4mm or #8 screws and fasteners, through the holes on the bracket.
   Use one of the two articulating mount flange brackets (see Contents of the Antenna Bracket Kit) that is included in the mounting kit.
2. Assemble the bracket hardware, as shown in Exploded View of Antenna and Bracket Hardware Assembly. Use a wrench to tighten the 1/4 20 x 1.25" screws on the brackets.
3. Orient the antenna correctly so that the antenna cable exits downwards. Use a wrench to loosen or tighten the fasteners at the azimuth and elevation- adjustment pivots.
4. Adjust the azimuth (side-to-side position) and elevation (up-and-down position) of the antenna. Loosen the adjustment pivot bolts slightly to allow for adjustment.
   The azimuth angle can be adjusted ±60 degrees (Azimuth Adjustment) and elevation can be adjusted ±60 degrees (Elevation Adjustment). Use the azimuth and elevation markings on the articulating mounting arm and the flange brackets as a guide. See Close-Up View of the Azimuth and Elevation-Adjustment Pivots.
5. After adjusting the antenna position, tighten the pivot bolts. Tighten all the bolts to not more than 30 lbf.in. (3.4 Nm).
6. Connect the antenna’s 8-DART plug to the access point.
   For the recommended cable type, see the Recommended Cable.

 

Figure 5 Exploded View of Antenna and Bracket Hardware Assembly

1	Antenna	7	Mounting arm. One is included in the kit.
2	1/4-inch stainless steel flat washer. Four are included in the kit.	8	5/16-18 bolt. Two are included in the kit.
3	1/4-inch stainless steel split-lock washer. Four are included in the kit.	9	M5 x 0.8 bolt. Four are included in the kit.
4	5/16-inch stainless steel split-lock washer. Two are included in the kit.	10	5/16-18 nut. Two are included in the kit.
5	5/16-inch stainless steel flat washer Two are included in the kit.	11	Octal DART antenna cable.
6	M8 stainless steel serrated washer. Two are included in the kit.	12	The articulating mount flange bracket. Two are included in the kit.

Figure 6 Cable Restraint on the Back of the Antenna

1

Cable restraint.1

2

Stainless steel screw

1.Remove cable restraint when perpendicular cable routing is required.

Figure 7 Close-Up View of the Azimuth and Elevation-Adjustment Pivots

Figure 8 Azimuth Adjustment

Figure 9 Elevation Adjustment

Mounting Directly on a Wall Through Mounting Holes on the Antenna

Note The fasteners and mounting surface should be capable of maintaining a minimum pullout force of 150 pounds (68 kg) to support the weight of the antenna along with the potential wind loading on the antenna.

---

Determine the mounting location for the antenna.

1. Mount the antenna to the wall using four 4 mm or #8 screws and fasteners, through the holes on the antenna. See Exploded View of Antenna and Hardware Assembly for Direct Wall Mounting.
2. Orient the antenna correctly so that the antenna cable exits downwards.
3. Place the cap plugs to cover the mounting holes on the antenna.
4. Connect the antenna’s 8-DART plug to the access point.

For the recommended cable type, see the Recommended Cable.

Figure 10 Exploded View of Antenna and Hardware Assembly for Direct Wall Mounting

1	Cap plugs.	3	One of four mounting holes on the antenna.
2	#8-18 stainless steel self tap screw.	4	#6-8, 11/4-inch anchor.

Mounting on a Pole or Mast

Note The pole or mast must be rigid enough to hold the weight of an antenna along with the associated forces produced by wind loads. In addition, the mast must be structurally strong enough to withstand the clamping force of the hose clamps.

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Determine the mounting location for the antenna on the pole or mast.

1. Position and mount the mounting flange bracket on to the pole or mast using the hose clamps provided in the kit. The hose clamps should pass through the slots on the free mounting flange bracket.

One of the two required articulating mount flange brackets come attached to the back of the antenna (see Contents of the Antenna Bracket Kit). The other flange bracket, included in the kit, is the one used in this step.

1. Tighten the hose clamps only to the extent that they can hold the flange bracket and the antenna in place until the antenna is positioned at its final position. Use a slotted screwdriver to tighten the screws on the hose clamps.
2. Assemble the antenna and bracket to the flange bracket. See Exploded View of Antenna and Bracket Hardware Assembly.
3. Position the antenna, mounting bracket, and hose clamps on the mast. See Antenna Bracket Hose Clamp Assembly for Pole Mounting for reference.
4. Tighten the hose clamps until the antenna is fully secure on the mast. Ensure that the antenna cannot rotate about the mast.
5. After the antenna is secured on the mast, adjust the azimuth (side-to-side position) and elevation (up-and-down position) of the antenna. Loosen the adjustment pivot bolts slightly to allow for adjustment.

Azimuth angle can be adjusted ±60 degrees (Azimuth Adjustment) and elevation can be adjusted ±60 degrees (Elevation Adjustment).

You can use the azimuth and elevation markings on the articulating mounting arm and the flange brackets as a guide. See Close-Up View of the Azimuth and Elevation-Adjustment Pivots.

1. After you adjust the antenna position, tighten the adjustment bolts. Tighten all the bolts to not more than 30 lbf.in. (3.4 Nm).
2. Connect the antenna’s 8-DART plug to the access point.

For the recommended cable type, see the Recommended Cable.

 

Figure 11 Antenna Bracket Hose Clamp Assembly for Pole Mounting

1	Articulating mount flange attached to the back of the antenna.	4	Worm-gear-type hose clamp (50–135mm) for mounting the assembly on a pole or mast.
2	Articulating mount arm.	5	Cables connecting the antenna to an access point.
3	Articulating mount flange that is fastened to the pole or mast using hose clamps.

Mounting on a Wall, Ceiling or Mast with AP Mounted Directly on Antenna

You can directly mount the Cisco Catalyst series C9130AX-E access point to the back of the C-ANT9103= antenna using the AIR-AP-BRACKET-9= bracket. See Exploded View of Bracket Hardware Assembly for Directly Mounting Access Point to Back of Antenna.

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Remove the rubber feet from each of the four shoulder screws on the access point.

1. Loosen and remove the four shoulder screws of the AP.
2. Fix the bracket to the AP using the four shoulder screws removed in Loosen and remove the four shoulder screws of the AP.. Tighten all the screws to 18-20 in-lbs (2.03-2.26 Nm).
3. Fasten the four 11/8 inch-L, 8-32 thread screws to fix the AP-bracket module to the back of the antenna. Tighten all the screws to 18-20 in-lbs (2.03-2.26 Nm).
4. Cover the four 11/8 inch-L, 8-32 thread screws using the caps.
5. Fix the cable to the bracket using zip ties.
6. Use the four 1/4-20 thread serrated flange locknut to fix the AIR-AP-BRACKET-9= bracket to the adapter bracket. Tighten all the screws to 39-43 in-lbs (4.41-4.86Nm).
7. Connect the antenna’s octal DART plug to the access point.

Figure 12 Exploded View of Bracket Hardware Assembly for Directly Mounting Access Point to Back of Antenna

1	Cap plugs.	10	Rubber feet.
2	#8-18 stainless steel self tap screw.	11	Articulating mount flange attached to the back of the AIR-AP-BRACKET-9=.
3	Mounting holes on the antenna.
4	Antenna.	12	1/4-20 serrated flange locknut.
5	Antenna’s octal DART cable.	13	AIR-AP-BRACKET-9=.
6	Antenna’s octal DART plug.	14	The azimuth adjustment pivot.
7	Access point’s octal DART port.	15	The elevation adjustment pivot.
8	Access point.	16	Mounting arm.
9	Shoulder screw.	17	Articulating mount flange bracket fixed to the mounting surface.

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