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Cisco Aironet 1520 Series, Hardware Installation Manual

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2-11

Cisco Aironet 1520 Series Outdoor Mesh Access Point Hardware Installation Guide

OL-12632-02

Chapter 2      Mounting Instructions

  Installation Guidelines

Figure 2-2

Pole Mount Installation 

1

Stainless steel mounting straps 

 

(part of pole mount kit)

4

2.4-GHz antennas

1

2

2.4-GHz antenna

1

1.

Illustration shows antennas for an access point with two radios.

5

Pole (wood, metal, or fiberglass)

 

2 to 16 in. (5.1 to 40.6 cm) diameter

3

5-GHz antenna

1

6

Mounting bracket (part of pole mount kit)

Summary of Contents for Aironet 1520 Series

Page 1: ... unit It can be powered by AC and only supports wireless backhaul communications to reach the wired network It does not support hard wired communications cable fiber optic or Ethernet to a wired network The access point can also operate as a relay node for other access points not directly connected to a wired network Intelligent wireless routing is provided by the patented Adaptive Wireless Path P...

Page 2: ...ertight integrity Liquid tight adapters are provided for connector openings which can be installed before or after deploying the access point The illustrations do not show antenna port 5 which is reserved for future use Figure 1 1 Access Point Bottom Connectors 1 AC power connector1 optional 1 Only one power source is usually configured 5 PoE Out connector 2 2 PoE Power over Ethernet 2 Reserved fo...

Page 3: ...ntenna Connector Locations 1 Cable POC connector optional 1 1 Stinger connector shown is user supplied 4 Antenna connector2 Type N 2 Antenna locations depend upon access point configuration see the Antenna Connector Locations section on page 1 5 2 Fiber optic connector3 optional 3 Liquid tight adapter not shown 5 Antenna connector2 Type N 3 Antenna connector2 Type N ...

Page 4: ...e Dual Radio Operation section on page 1 7 External radio antennas see the External Antennas section on page 1 7 Multiple power sources see the Multiple Power Sources section on page 1 8 Ethernet ports see the Ethernet Ports section on page 1 9 Rugged metal enclosure see the Metal Enclosure section on page 1 10 Optional cable modem see the Cable Modem section on page 1 10 Optional hardware see the...

Page 5: ...over cable POC stinger connector customer provided AC power connector 3 pin Remke Mini Link 50908 DC power connector internal 2 pin connector Antenna Connector Locations The access point is manufactured in three configurations cable mesh and pole mount These configurations support specific locations for the access point antennas as shown in Table 1 1 Table 1 1 Antenna Locations per Access Point Co...

Page 6: ...Chapter 1 Overview Hardware Features Figure 1 4 shows the antenna port locations viewed from the hinged cover side Figure 1 4 Antenna Port Locations 1 Antenna port 1 4 Antenna port 4 2 Antenna port 2 5 Antenna port 51 1 Reserved for future use A plug is installed 3 Antenna port 3 6 Antenna port 6 ...

Page 7: ...ternal Antennas The access point supports up to three N type radio frequency RF antenna connectors on the top of the unit and two on the bottom of the unit The number of active antenna connectors depends upon the access point configuration see Antenna Connector Locations page 1 5 All access point configurations supports multiple 2 4 GHz antennas for MISO operation but only one 5 GHz antenna When u...

Page 8: ...to more than one power source The access point detects the available power sources and switches to the preferred power source using the following default prioritization AC power or POC power External 12 VDC power Power injector PoE power Internal battery power Warning This unit might have more than one power supply connection All connections must be removed to de energize the unit Statement 1028 T...

Page 9: ...5 2 m power cord for light pole installations in the US and Canada One end of the power cord is terminated with an access point AC power connector and the other end is terminated with an AC plug AIR CORD R3P 40NA 4 ft 1 2 m streetlight power tap adapter for light pole installations in the US and Canada AIR PWR ST LT R3P Ethernet Ports The access point supports a PoE in port and a PoE out port The ...

Page 10: ... splitter The cable modem supports these main features Data Over Cable Service Interface Specifications DOCSIS 2 0 Backward compatibility with existing DOCSIS 1 1 and 1 0 networks Metal Enclosure The access point uses a metal enclosure that can accommodate both indoor or outdoor operating environments and an industrial temperature operating range of 40 to 131 F 40 to 55 C The access point complies...

Page 11: ...ty The access point provides 5 GHz backhaul capability to link with another access point to reach a wired network connection or to provide repeater operations for other access points The access point plays one of two primary radio roles a root access point hereafter called a RAP or the access points that relay their wireless connections to the controller are called mesh access points MAPs When the...

Page 12: ...ation The remote access point is considered a MAP and transfers wireless client traffic to the RAP for transfer to the wired network Lightweight access point protocol LWAPP control traffic is also transferred over this bridged link Figure 1 5 Access Point Backhaul Example Point to Point Bridging The access points can be used to extend a remote network by using the 5 GHz backhaul radio to bridge th...

Page 13: ...red networks see Figure 1 7 By default this capability is turned off for all access points To support Ethernet bridging you must enable bridging on the controller for each access point Wireless client access can be provided over the bridging link however if bridging between tall buildings the 2 4 GHz wireless coverage area might be limited and possibly not suitable for direct wireless client acces...

Page 14: ...ink to a RAP that is connected to the wired network In the mesh network the links between the access points are referred to as the backhaul links Intelligent wireless routing is provided by the patented Adaptive Wireless Path Protocol AWPP This enables each MAP to identify its neighbors and intelligently choose the optimal path to the RAP with the wired network connection by calculating the cost o...

Page 15: ...etwork operation Access points and controllers in Layer 3 configurations use IP addresses and UDP packets which can be routed through large networks Layer 3 operation is scalable and recommended by Cisco Figure 1 9 illustrates a typical Layer 3 wireless network configuration containing access points and a controller Figure 1 9 Typical Layer 3 Access Point Network Configuration Example 158085 LWAPP...

Page 16: ...1 16 Cisco Aironet 1520 Series Outdoor Mesh Access Point Hardware Installation Guide OL 12632 02 Chapter 1 Overview Network Deployment Examples ...

Page 17: ... your access point The chapter contains these sections Unpacking the Access Point page 2 2 Tools and Materials that You Supply page 2 2 Warnings page 2 4 Safety Information page 2 4 Avoiding Damage to Radios in a Testing Environment page 2 7 Installation Guidelines page 2 8 Mounting the Access Point page 2 16 Grounding the Access Point page 2 42 Connecting a Fiber Optic Cable to the Access Point p...

Page 18: ...ing items Access point Cisco product documentation and translated safety warnings Grounding lug with two screws and lock washers Three liquid tight adapters Two pin DC power connector Ground lug Panduit PLCD6 10A L and screws with lock washers Tools and Materials that You Supply Ground lug crimping tool Panduit CT 720 with CD 720 1 die 6 AWG copper ground wire 13 mm box end wrench or socket set Ad...

Page 19: ...tools as required Pole Installation To install the access point on a vertical or horizontal metal wood or fiberglass pole you need the following additional material and tools Pole mount kit AIR ACCPMK1520 Pole clamp bracket Two gusset strap brackets One mounting bracket Twelve hex bolts M8 x16 One M8 flange nut Six M8 flat washers Ten M8 split lock washers Two stainless steel mounting straps Custo...

Page 20: ...n explosive environment unless the device has been modified to be especially qualified for such use Statement 364 Warning This equipment must be externally grounded using a customer supplied ground wire before power is applied Contact the appropriate electrical inspection authority or an electrician if you are uncertain that suitable grounding is available Statement 366 Warning Read the installati...

Page 21: ...r equivalent type recommended by the manufacturer Dispose of used batteries according to the manufacturer s instructions Statement 1015 Warning A readily accessible two poled disconnect device must be incorporated in the fixed wiring Statement 1022 Warning To reduce the risk of fire use only No 26 AWG or larger telecommunication line cord Statement 1023 Warning This unit might have more than one p...

Page 22: ...ad and follow these safety precautions 1 Select your installation site with safety as well as performance in mind Remember electric power lines and phone lines look alike For safety assume that any overhead line can kill 2 Call your electric power company Tell them your plans and ask them to come look at your proposed installation 3 Plan your installation carefully and completely before you begin ...

Page 23: ...duce the configured transmit power to the minimum level Use directional antennas and keep them away from each other Cable the radios together using a combination of attenuators combiners or splitters to achieve a total attenuation of at least 60 dB For a radiated test bed the following equation describes the relationships among transmit power antenna gain attenuation and receiver sensitivity txpwr...

Page 24: ...ng expert Site Surveys Every network application is a unique installation Before installing multiple access points you should perform a site survey to determine the optimum use of networking components and to maximize range coverage and network performance Consider the following operating and environmental conditions when performing a site survey Data rates Sensitivity and range are inversely prop...

Page 25: ...with Access Point Installation Components section on page 2 9 Becoming Familiar with Access Point Installation Components The access point is designed to be installed in an indoor or outdoor environment such as an interior wall or ceiling or the exterior roof overhang of a tall building or a streetlight pole Carefully review the following figures to become familiar with the system components conne...

Page 26: ...74 1 Building roof overhang 6 Ground 2 Shielded outdoor rated Ethernet CAT5e or better cable1 1 User supplied 7 AC power cord2 2 The safety ground wire in the AC power cord must have a ground path to a grounding rod 3 Water drip loop 8 Power injector3 3 The shielded Ethernet cable has a ground path through the power injector and the safety ground wire in the AC power cord 6 AWG copper grounding wi...

Page 27: ...tion Guidelines Figure 2 2 Pole Mount Installation 1 Stainless steel mounting straps part of pole mount kit 4 2 4 GHz antennas1 2 2 4 GHz antenna1 1 Illustration shows antennas for an access point with two radios 5 Pole wood metal or fiberglass 2 to 16 in 5 1 to 40 6 cm diameter 3 5 GHz antenna1 6 Mounting bracket part of pole mount kit ...

Page 28: ...nting 1 Clamp bracket with cable clamps part of strand mount kit 5 Cable bundle 2 5 GHz antenna1 1 Illustration shows antennas for an access point with two radios 6 Fiber optic connection2 2 Liquid tight connector not shown 3 2 4 GHz antennas1 7 Cable POC power input3 3 Stinger connector shown is user supplied 4 Strand support cable 8 Strand mount bracket part of strand mount kit ...

Page 29: ...nas as shown in Table 2 1 1 Outdoor light control 3 6 AWG copper grounding wire 2 Streetlight power tap adapter 231524 1 2 3 Table 2 1 Antenna Locations for Each Access Point Configuration1 1 Antenna locations specified for a two radio access point Antenna Port Access Point Configurations Cable Pole Mount and Mesh 1 2 4 GHz antenna connector RX 5 GHz antenna connector TX RX 2 5 GHz antenna connect...

Page 30: ... your controller by adding the MAC addresses of the access points to the filter list MAC address filtering is enabled by default This enables the controller to respond to the listed access points Follow these steps to add a MAC filter entry on the controller Step 1 Log into your controller using a web browser Step 2 Choose SECURITY MAC Filtering New Step 3 Enter the MAC address of the access point...

Page 31: ...ccess point s name Step 4 Find Mesh Information and choose Root AP by clicking the drop down arrow in the AP Role field Step 5 Click Apply Step 6 Repeat Steps 2 through 5 for each RAP Step 7 Log out from your controller and close your web browser Configuring a Bridge Group Name The bridge group name BGN controls the association of the access points to a RAP BGNs can be used to logically group the ...

Page 32: ...cess point must understand wireless access points and bridging techniques and grounding methods Caution All mounting methods on any wall surface is subject to the acceptance of local jurisdiction Installation Options There are two optional installation kits Pole mount kit used for pole wall or streetlight installations Strand mount kit used for cable strand installations Warning Only trained and q...

Page 33: ... Mounting the Access Point on a Wall The optional pole mount kit contain a mounting bracket for wall mounting You can use the mounting bracket as a template to mark the positions of the mounting holes for your installation You then install the mounting plate and attach the access point when you are ready Table 2 2 lists the material that you will need to provide in addition to the pole mount kit C...

Page 34: ...u can optionally use the individual mounting holes or the mounting slots Caution The mounting surface attaching screws and optional wall anchors must be able to support a 50 lbs 22 7 kg static weight Figure 2 6 Mounting Bracket for Wall Mounting Step 2 Use four customer supplied screws and optional screw anchors to attach the mounting plate to the mounting surface Note If necessary use suitable sc...

Page 35: ...ccess Point Step 3 Screw a M8 x16 bolt in the top support bolt hole on each side the access point see Figure 2 7 Do not screw the bolt all the way in leave approximately a 0 25 in 0 635 cm space Figure 2 7 Location of Access Point Top Support Bolt Hole 1 Ground lug location 3 Second bolt hole location 2 M8 x16 bolt supplied with pole mount kit ...

Page 36: ... with flat and lock washers into the second bolt hole on each side of the access point Step 6 Ensure that the front of the access point is vertical and tighten the four bolts to 13 to 15 ft lbs 17 6 to 20 3 Nm Step 7 Optional When using the optional Cisco external omnidirectional antennas connect them to the access point as shown in Figure 2 2 Hand tighten the antennas to the access point Note Som...

Page 37: ...ter Assembling the Pole Clamp Bracket and the Mounting Bracket When installing an access point on a pole mast or a streetlight you should use the optional Cisco pole mount kit The kit supports metal wood or fiberglass poles from 2 to 16 inches in diameter The pole mount kit contains several parts that you must assembled prior to mounting on a pole First you need to assemble two strap brackets on t...

Page 38: ...ware Installation Guide OL 12632 02 Chapter 2 Mounting Instructions Mounting the Access Point Figure 2 9 Pole Clamp Bracket Adjustment Hole Locations 1 Pole size indicators 2 to 6 in 6 to 11 in 11 to 16 in 2 Bolt holes for pole diameters 11 to 16 inches indicated ...

Page 39: ... 1 Position the strap brackets on the pole clamp bracket for the pole diameter you are using and secure each strap bracket with two M8 x16 bolts with lock washers see Figure 2 10 Tighten the bolts to 13 to 15 ft lbs 17 6 to 20 3 Nm Figure 2 10 Assembled Pole Clamp Bracket and Strap Brackets 1 M8 x1 25x16 bolts with lock washers 3 Strap bracket shown positioned for 11 to 16 inch diameter pole 2 Pol...

Page 40: ...s requires extra tools and material not provided in the pole mount kit see Table 2 3 To mount the access point onto a vertical pole or streetlight pole follow these steps Step 1 Select a mounting location on the pole to mount the access point You can attach the access point to any pole from 2 to 16 in 5 1 to 40 6 cm in diameter Note If you will be using a streetlight power tap adapter position the...

Page 41: ... Hardware Installation Guide OL 12632 02 Chapter 2 Mounting Instructions Mounting the Access Point Figure 2 11 Clamp Bracket Assembly Mounted on Poles Larger than 3 5 in 8 9 cm 1 Pole clamp bracket 3 Metal mounting strap 2 Strap slot in strap bracket 4 Pole ...

Page 42: ... between the pole clamp bracket and the strap brackets see Figure 2 12 to provide maximum holding strength for extreme environments Following the instructions provided with the hand strap tool AIR BAND INST TL loop each metal strap twice Figure 2 12 Metal Strap Open Space for 3 5 in 8 9 cm and Smaller Poles Caution Do not place the metal straps in the large open area between the pole clamp bracket...

Page 43: ...amp bracket support bolt see Figure 2 13 Step 7 For vertical poles position the mounting bracket as shown in Figure 2 13 For horizontal streetlight poles rotate the mounting bracket 90o from the position shown in Figure 2 13 Step 8 Install four M8 x16 bolts with flat and lock washers into the bolt holes Figure 2 13 Screw Hole Locations on the Mounting Bracket and Pole Clamp Bracket Assembly Step 9...

Page 44: ...t without a flat or lock washer in the top support bolt hole on each side the access point see Figure 2 14 Do not screw the bolt all the way in Leave a gap of approximately 0 25 in 0 635 cm Figure 2 14 Location of Access Point Top Support Bolt Hole 1 Ground lug screw holes location 3 Second bolt hole location 2 M8 x16 bolt without flat or lock washers supplied with pole mount kit ...

Page 45: ... facing out Figure 2 15 Access Point Hanging in Mounting Bracket Step 13 Screw a M8 x16 bolt with flat and lock washers into the second bolt hole on each side of the access point see Figure 2 15 Step 14 Ensure the front of the access point is vertical and tighten the four bolts to 13 to 15 ft lbs 17 6 to 20 3 Nm Step 15 When using the optional Cisco external omnidirectional antennas connect them t...

Page 46: ...ch cable clamps to the clamp bracket Attach the strand bracket to the access point Attach the clamp bracket to the fiber or cable strand Attach the strand bracket with access point to the clamp bracket Attach antennas Attach a ground wire Connect cables and power to the access point Note The access point must be installed on a cable strand by a professional cable installer To mount the access poin...

Page 47: ...able Clamps Step 2 Attach the strand bracket to the access point using two M8 x16 bolts with flat and lock washers on each side of the access point see Figure 2 17 Only hand tighten the bolts Note When attached to the cable strand the access point must be vertically adjusted before the final tightening of the bolts 1 Cable strand bracket 2 Two cable clamps flat washer and M8 flange nut ...

Page 48: ...ardware Installation Guide OL 12632 02 Chapter 2 Mounting Instructions Mounting the Access Point Figure 2 17 Strand Bracket Attached to Access Point 1 Strand bracket 3 Second M8 x16 bolt with flat and lock washers 2 First M8 x16 bolt with flat and lock washers ...

Page 49: ...the clamp bracket on the strand support cable see Figure 2 18 On each cable support bolt ensure that one cable clamp is placed on each side of the support cable see Figure 2 20 Tighten the two M8 flange nuts to 13 to 15 in lbs 17 6 to 20 3 Nm Figure 2 18 Clamp Bracket Attached to Cable Strand 1 Two cable clips flat washer and a M8 flange nut on each cable support bolt ...

Page 50: ...ion of Strand Clips Note The strand support cable might have to be pulled away from the fiber or cable bundle Be sure to resecure the cable as necessary Note The strand support cable and the mounting hardware provide grounding for the access point 1 Strand clamp bracket 5 Fiber or cable bundle 2 Flat washer 6 Cable clip 3 M8 flange nut 7 Cable clip 4 Strand support cable ...

Page 51: ...the user to mount the access point onto cable strands that are horizontal or sloped see Figure 2 20 Depending on the orientation of the cable strand the access point is supported by these hole pairs H fixed hole pair used for a horizontal cable strand R fixed and R adjustable hole pair used for a cable strand sloping up to the right L fixed and L adjustable hole pair used for a cable strand slopin...

Page 52: ...support bolts located on back of the clamp bracket see Figure 2 21 into the strand bracket support hole pairs for your strand orientation Screw two M8 flange nuts on the support bolts and tighten to 13 to 15 in lbs 17 6 to 20 3 Nm Figure 2 21 Attaching Strand Bracket to Clamp Bracket 1 Left support bolt and M8 flange nut 3 Strand bracket 2 Right support bolt and M8 flange nut ...

Page 53: ...s connect them to the access point as shown in Figure 2 22 Figure 2 22 Access Point Mounted to Cable Strand 1 Clamp bracket with cable clamps part of strand mount kit 5 Cable strand only one strand shown 2 5 GHz antenna1 1 Illustration shows antennas for an access point with two radios 6 Fiber optic cable connection 3 2 4 GHz antennas1 7 Cable POC power input 4 Support cable 8 Strand mount bracket...

Page 54: ... you are performing these operations Installing a cable POC Stinger connector Installing fiber optic SFP module and fiber cable take up reels To open the access point hinged cover follow these steps Step 1 Use 0 5 in 13 mm box end wrench or socket set to unscrew the six bolts on the front cover of the unit Only unscrew the bolts about 2 turns until they are easily turned by hand do not remove the ...

Page 55: ...ver be careful not to pinch internal wires Step 2 Carefully position the cover flush with all sides of the access point then slowly hand tighten each bolt Step 3 When all bolts are hand tightened use a 13 mm closed end wrench or socket to partially tighten the bolts in the tightning sequence shown in Figure 2 24 Tighten each bolt to 3 to 4 ft lbs 0 34 to 0 45 Nm Step 4 Repeat Step 3 using the same...

Page 56: ... Aironet 1520 Series Outdoor Mesh Access Point Hardware Installation Guide OL 12632 02 Chapter 2 Mounting Instructions Mounting the Access Point Figure 2 24 Hinged Cover Bolt Tightning Sequence New PIcture Needed ...

Page 57: ...less than 10 seconds Disable battery backup power press the reset button for more than 10 seconds Figure 2 25 Reset Button Location Reboot the Access Point To reboot power cycle the access point follow these steps Step 1 Use a Phillips screwdriver to remove the reset button screw Be careful not to loose the screw Step 2 Use a straighten paperclip and push the reset button for less than 10 seconds ...

Page 58: ...will only reboot Note The battery backup unit is reactivated when the access point is rebooted power cycled again Step 3 Replace the reset button screw and use a Phillips screwdriver to tighten to 22 to 24 in lbs 2 49 to 2 71 Nm Grounding the Access Point The access point must be grounded prior to connecting power Warning This equipment must be externally grounded using a customer supplied ground ...

Page 59: ...100BX URGD enables the access point to support fiber optic network connections The kit contains these parts 100BASE BX10 U rugged SFP module Single strand fiber bidirectional optical transceiver 1 3 1 5 micro meter wavelength division multiplexing WDM function 125 Mb s data rates Single mode LC receptacle Eight screws Two small take up reels Two large take up reels One liquid tight adapter accepts...

Page 60: ...tor plug item 5 in Figure 2 26 using an adjustable wrench the 22 mm socket or the Sealcon S 22 WR wrench Step 4 Place the two large reels with the small reels on top as shown in Figure 2 26 Step 5 Align the screw holes in the large and small reels and insert four attachment screws in each of the reel pairs Tighten the screws to 3 to 4 in lbs 0 34 to 0 45 Nm Step 6 Remove the plug from the end of t...

Page 61: ...nd of the adapter to 6 to 7 ft lbs 8 1 to 9 5 Nm Step 10 Carefully remove approximately 1 to 2 ft 30 5 cm of the external jacket from the fiber optic cable exposing the inner strand Step 11 Carefully insert the fiber optic LC cable connector into the rounded end of the liquid tight adapter see Figure 2 27 and push through the adapter Step 12 Wrap excess fiber optic cable around the take up reels i...

Page 62: ...point Note The cable from the power injector to the access point PoE in port must be at least 10 ft 3 05 m long Note The PoE out port is disabled when the access point is powered by the power injector When your access point is powered by an optional power injector follow these steps to complete the installation Step 1 Before applying PoE to the access point ensure the access point is grounded see ...

Page 63: ...tdoor rated Ethernet CAT5e or better cable with 0 2 to 0 35 in 0 51 to 0 89 cm diameter Note The Ethernet cable from the power injector to the access point must be at least 10 ft 3 05 m long The PoE out port is disabled when the access point is powered by the power injector RJ 45 connector and installation tool Adjustable wrench To connect the shielded Ethernet cable to the access point follow the...

Page 64: ...02 Chapter 2 Mounting Instructions Powering the Access Point Figure 2 28 Location of Ethernet Liquid Tight Adapters Step 4 Loosen the round end of the liquid tight adapter by turning counterclockwise but do not remove see Figure 2 29 Figure 2 29 Liquid Tight Adapter 1 PoE out port 2 PoE in port ...

Page 65: ...9 and pull several inches of cable through the adapter Step 6 Install an RJ 45 connector on the unterminated end of the Ethernet cable using your Ethernet cable installation tool Warning To reduce the risk of fire use only No 26 AWG or larger telecommunication line cord Statement 1023 Step 7 Carefully insert the RJ 45 cable connector into the Ethernet port opening on the access point and connect t...

Page 66: ...ed end of the adapter to 6 to 7 ft lbs 8 1 to 9 5 Nm Step 10 Use an adjustable wrench and tighten the round end of the adapter to 2 7 to 3 2 ft lbs 3 66 to 4 34 Nm Step 11 Ensure that the antennas are connected to the access point before you apply power to the access point Step 12 Route your Ethernet cable and cut off any excess cable Step 13 Install an RJ 45 connector on the unterminated cable en...

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