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21 

Appendix C Built-in antenna 

The HP 425 AP has a built-in dual-band MIMO antenna. Built-in cables connect the MIMO antenna to 

the 2.4 GHz and 5 GHz antenna ports of the AP. 

Table 4

 

Specifications 

Item Specification

Standard 

IEEE 802.11n and 802.11 a/b/g 

Frequency range 

 

2.4 to 2.49 GHz 

 

4.9 to 5.9 GHz 

Peak gain 

 

4 dBi @ 2.4 GHz 

 

5 dBi @ 5.2 GHz 

VSWR 2:1 

Feed impedance 

50 

 

Power handling 

30 dBm 

Dimensions 

90 x 90 x 14.7 mm (3.54 x 3.54 x 0.58 ft) 

Weight 

19 g (0.67 oz) 

Temperature range 

 

Operating: –40° C to +75° C (–40° F to +167° F)

 

Storage: –40° C to +85° C (–40° F to +185° F) 

Humidity range 

0% to 95%, non-condensing 

 

The following figures show the radiation patterns of the antenna. 

Figure 18

 

2.4 GHz radiation pattern in the horizontal plane 

 

 

Summary of Contents for 425 - Notebook PC

Page 1: ...HP 425 Wireless Dual Radio 802 11n Access Point Installation Guide Part number 5998 4325a Document version 6W102 20141223 ...

Page 2: ...MATERIAL INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE Hewlett Packard shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing performance or use of this material The only warranties for HP products and services are set forth in the express warranty statements accompan...

Page 3: ...0 Connecting the power supply 11 Connecting the AP to a local power supply 12 Connecting the AP to a PoE power supply 12 Connecting the AP to the network 13 Support and other resources 14 Contacting HP 14 Subscription service 14 Related information 14 Documents 14 Websites 14 Conventions 15 Appendix A Chassis views and technical specifications 17 Chassis views 17 Weights and dimensions 18 Power co...

Page 4: ... 425 The recommendations do not cover every possible hazardous condition Make sure the ground is dry and flat and anti slip measures are in place Keep the chassis clean and dust free Do not place the AP in a moist area and avoid liquid surrounding the AP Keep the chassis and installation tools away from walkways European Union Commission Regulation 1275 2008 The power data for affected products in...

Page 5: ...g water soaking and condensing occur Prevent water or moisture from entering the APs Do not place the device on any metal surface Place it where there are no obstacles and good signal strength is available Accessories provided with the AP WARNING Only use the antennas which have been approved by the applicant Unapproved antenna s may produce unwanted spurious or excessive RF transmitting power whi...

Page 6: ...see Appendix B LEDs Verify that cabling has been completed The device supports 802 3af compliant PoE To achieve the best performance HP recommends that you use a GE connection to the power device Record the MAC address and serial number of the AP marked on the rear of the AP for future use If part of the power line is routed outdoors use a power strip with lightning protection user supplied to con...

Page 7: ...ll the AP determine whether external antennas are needed External antennas are not included with the AP and this document does not include external antenna installation procedures Mounting the AP on a table 1 Attach the rubber feet supplied with the AP to the rear of the AP as shown in Figure 2 Figure 2 Attaching the rubber feet ...

Page 8: ...To mount the AP on a wall use the wall mounting bracket and wall anchor kit that is supplied with the AP as shown in Figure 4 Figure 4 Screw hole locations and sizes in mm 1 Hook 2 Mounting hole 3 Clip 4 Mounting clip To mount the AP on a wall 1 Use the wall mounting bracket as a template to mark the locations of the mounting holes on the bracket Drill three 5 mm 0 2 in diameter holes on the marke...

Page 9: ...til it is flush with the wall surface as shown in Figure 6 Figure 6 Inserting a wall anchor 3 Align the holes in the wall mounting bracket with the anchors and insert screws through the installation holes into the wall anchors as shown in Figure 7 4 Adjust the position of the wall mounting bracket and tighten the screws 40 mm 86 mm ...

Page 10: ...e AP to the network by using an Ethernet cable 6 Align the mounting keyhole on the rear of the AP over the hook on the wall mounting bracket See Figure 8 7 Mount the AP on the hook on the wall mounting bracket See callout 1 in Figure 8 8 Pull down the AP until it clicks into place See callout 2 in Figure 8 ...

Page 11: ...ng bracket Mounting the AP to a T rail IMPORTANT The width of the T rail must be in the range of 16 mm to 28 mm 0 63 in to 1 10 in Figure 9 Screw hole locations and sizes in mm 1 Hook 2 Mounting hole 3 Clip 4 Mounting clip 1 2 3 4 Ø5 0 86 0 136 0 ...

Page 12: ...hten the four M3 8 screws on the two clip holders 4 Verify that the T rail holder is attached to the T rail 5 Hook the mounting clip see callout 3 in Figure 12 of the wall mounting bracket to the mounting hook see callout 2 in Figure 12 of the T rail holder 6 Insert the two M4 5 screws see callout 1 in Figure 12 through the two 5 mm 0 20 in diameter holes on the wall mounting bracket according to ...

Page 13: ...he AP to a location made of low intensity materials such as a plaster ceiling If this installation method is required in such an environment put a high intensity plate beneath the ceiling to secure the installation The ceiling tiles must be less than 18 mm 0 71 in thick and the ceiling must be able to bear a weight of at least 5 kg 1 1 02 lb The three bolt holes are needed for mounting the AP on a...

Page 14: ...iling 3 Connect the AP to the network by using an Ethernet cable 4 Install the AP to the wall mounting bracket For more information see Mounting the AP on a wall Figure 14 Installing the mounting bracket to a ceiling 1 Nut 2 Washer 3 Ceiling 4 Wall mounting bracket 5 Hex head bolt 6 Hook Connecting the power supply The device can be powered by using a local or PoE power supply You can select eithe...

Page 15: ...shown in Figure 15 Figure 15 Local power supply connection 1 Power port 2 Power adapter 3 Power source Connecting the AP to a PoE power supply CAUTION Identify the marks for the network port and console port to avoid connection mistakes When you apply 802 3af PoE power supply connect one end of the network cable to the network port on the AP and the other end to an Ethernet port on a PoE capable d...

Page 16: ... the AP operates as a fit AP all of its settings are configured on the AC You can use the display wlan ap all command to examine the AP status on the AC When the AP status is R M the AP has been successfully connected to the AC AC display wlan ap all Total Number of APs configured 1 Total Number of configured APs connected 1 Total Number of auto APs connected 0 AP Profiles State I Idle J Join JA J...

Page 17: ...ng you will receive email notification of product enhancements new driver versions firmware updates and other product resources Related information Documents To find related documents browse to the Manuals page of the HP Business Support Center website http www hp com support manuals For related documentation navigate to the Networking section and select a networking category For a complete list o...

Page 18: ...parated by vertical bars from which you select one choice multiple choices or none 1 n The argument or keyword and argument combination before the ampersand sign can be entered 1 to n times A line that starts with a pound sign is comments GUI conventions Convention Description Boldface Window names button names field names and menu items are in bold text For example the New User window appears cli...

Page 19: ... a unified wired WLAN module or the switching engine on a unified wired WLAN switch Represents an access point Represents a mesh access point Represents omnidirectional signals Represents directional signals Represents a security product such as a firewall UTM multiservice security gateway or load balancing device Represents a security card such as a firewall load balancing NetStream SSL VPN IPS o...

Page 20: ...5 GHz antenna ports A console port A 10 100 1000 Mbps copper Ethernet port A power supply port NOTE The device also provides a reset button Figure 17 HP 425 ports 1 2 4G antenna port 2 2 2 4G antenna port 1 3 5G antenna port 1 4 5G antenna port 2 5 Reset button 6 Console port 7 10 100 1000 Mbps copper Ethernet port 8 Local power port 1 2 3 4 5 6 7 8 ...

Page 21: ...ernet port The Ethernet port can serve as an uplink interface to access the Internet or MAN and as an 802 3af compliant PoE port at the same time Console port RS EIA 232 The console port is used for configuration and management for debugging when the AP operates as a fit AP Weights and dimensions Item Description Height 51 mm 2 01 in Width 188 6 mm 7 43 in Depth 188 6 mm 7 43 in Weight 640 5 g 22 ...

Page 22: ...er adapter specifications Item Description Input 100 VAC to 240 VAC Output 48V 0 63 A Storage media and memory specifications Item Description Storage media Nor Flash 4 MB Nand Flash 128 MB Memory DDR2 128 MB ...

Page 23: ...egistered to the AC It is in standby state no client is connected to the AP Flashing at 2 Hz The AP is updating its system software image Slowly pulsing A client is connected to the 5G port Orange Steady on An initialization exception has occurred to the AP Flashing at 1 Hz The AP cannot detect any radio interface Flashing at 2 Hz An Ethernet port or radio interface is operating incorrectly Altern...

Page 24: ...equency range 2 4 to 2 49 GHz 4 9 to 5 9 GHz Peak gain 4 dBi 2 4 GHz 5 dBi 5 2 GHz VSWR 2 1 Feed impedance 50 Ω Power handling 30 dBm Dimensions 90 x 90 x 14 7 mm 3 54 x 3 54 x 0 58 ft Weight 19 g 0 67 oz Temperature range Operating 40 C to 75 C 40 F to 167 F Storage 40 C to 85 C 40 F to 185 F Humidity range 0 to 95 non condensing The following figures show the radiation patterns of the antenna Fi...

Page 25: ...22 Figure 19 2 4 GHz radiation pattern in the vertical plane Figure 20 5 2 GHz radiation pattern in the horizontal plane ...

Page 26: ...23 Figure 21 5 2 GHz radiation pattern in the vertical plane ...

Page 27: ...13 Connecting the power supply 1 1 Contacting HP 14 Conventions 15 I Installation preparation checklist 3 M Mounting the AP on a ceiling 10 Mounting the AP on a table 4 Mounting the AP on a wall 5 Mounting the AP to a T rail 8 P Power specifications 18 R Related information 14 S Safety recommendations 1 Storage media and memory specifications 19 ...

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