ExcelMAX® Access Point Cell Installation & Maintenance Guide Version 1.
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TABLE OF CONTENTS 1.0 Preface .................................................................................................................................................. 7 1.1 Who Should Read This Manual ...................................................................................................... 7 1.2 Using This Guide ............................................................................................................................. 7 1.3 Conventions Used ..........................
TABLE OF CONTENTS 3.9.1 AC PSU/NIA Option .............................................................................................................. 41 3.9.1.1 Connecting the Access Point to the AC Power Supply/NIA ......................................... 41 3.9.1.2 Completing the Connection of the AC Power Supply/NIA .......................................... 42 3.9.2 DC PSU/NIA Option .............................................................................................................. 45 3.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 1.0 Preface The ExcelMAX Access Point Cell Installation and Maintenance Guide covers installation, configuration and maintenance of the ExcelMAX Access Point Base Station. This guide assumes a working knowledge of wireless technology and how to configure networking systems. 1.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 1.5 Technical Support Axxcelera provides technical support to assist with any problems or to answer questions about Axxcelera ExcelMAX solutions. The technical support staff is factory trained and equipped to resolve questions about Axxcelera products. Telephone: Email: Web site: +1 (804) 864-4222 support@axxcelera.com www.axxcelera.com 1.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 2.0 Introduction This chapter covers the following information: • ExcelMAX Access Point Packing List • ExcelMAX Access Point Overview • Major Components 2.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 2.2.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 . Figure 2-2: ExcelMAX Access Point views Access Point UV-rated, shielded Cat-5 cable (not supplied) Ø 5.2-4.8 mm [Ø.205-.190 in.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 2.2.1.1 OPTIONAL: GPS Synchronization Global Positioning System (GPS) support is a factory-fit option for ExcelMAX Access Points. When supported, a GPS antenna may be connected to each co-located ExcelMAX Access Point to allow them to synchronize their RF transmissions.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 2.3.1.2 DC NIA/Power Adapter The DC NIA/Power Adapter (Figure 2-5:) is the customer's interface with the Access Point. The DC NIA/Power Adapter contains interfaces to the DC power supply, customer's data network, and the Access Point connecting cable.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 2.3.2 Interconnecting cable The interconnecting cable is used to connect the Access Point to the NIA. The cable must be straight-through CAT-5, electrically shielded, and outdoor rated. The cable carries Ethernet data as well as DC power from the NIA to the Access Point. Customer equipment requiring Ethernet connectivity may be located up to 100 meters from the outdoor Access Point.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE Figure 2-7: Interconnecting Cable Configurations 2.3.3 Outdoor Equipment • ExcelMAX Access Point • Antenna Cables (customer furnished) • Sectorized or Omnidirectional Antenna • GPS antenna (optional) 15 OF 65 VERSION 1.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 3.0 Installation 3.1 Compliance Alert – Operation in the 3.4 - 3.6 GHz Band The CE Marking with alert symbol (see below) appears on the Access Point assembly. The alert symbol indicates operation on frequency bands that are not harmonized throughout the European community. Figure 3-8: Compliance Alert Label N Note This equipment operates in the 3.4 - 3.6 GHz frequency band, which is not harmonized throughout the community.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 3.2.3 FCC Label @ FCC 15.19 For Class B - Unintentional Radiators: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference and (2) this device must accept any interference received, including interference that may cause undesired operation. 3.2.4 RF EXPOSURE REQUIRMENTS @ 1.1310 & 2.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 3.5 Installing Outdoor Equipment 3.5.1 Access Point Packing List See “ExcelMAX Access Point Packing List” on page 9. 3.5.2 Sector Antenna Packing List The following is included in the shipment of each sector antenna: • 1 antenna • 1 upper bracket • 1 lower bracket • 2 swing arms • 2 clamps • 4 M8X100 Hex Head bolts • 6 M8X25 Hex Head bolts • 10 M8 Flat washers • 10 M8 Lock washers 3.5.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 2) Be sure to observe local building and electrical codes when running all cables. 3) Verify that the antenna mounting is approved by both the owners of the structure and a qualified engineer. 4) Verify that the tower mounting base can handle both the weight and the wind loading stress of the installed antennas and cables. 5) Find suitable equipment locations with consideration for RF cable length restrictions. 3.5.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 3.6 Installing an Optional Sector Antenna 3.6.1 Grounding the Antenna Mounting 1) Attach the ground lug using the Hex bolt, lock washer and flat washer that came with the Access Point. 2) Ensure the cable has a good connection. Remove all paint and corrosion where the clamp is attached. 3) Use dielectric grease on the clamp connection to prevent any electrolysis activity due to dissimilar metals.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 3.6.2 Attaching the Sector Antenna to the Mounting Points Warning Do not work on antenna installations of any kind when there is any possibility of electrical storm activity in the area. 1) Observing the correct polarity for the antenna in accordance with the initial RF Site Survey, lay out the antenna assembly for mounting. Confirm the required polarity against the polarity label on the back of each antenna assembly.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE 3) Attach the collar bracket to the pole. Align Collar Clamp to the Desired Antenna Azimuth Pointing Direction Installation Collar Bracket (Included with Installation Collar Kit) 2X 3/8-16 Hex Nuts Torque to 24 Nm (17.7 ft-lb) Collar Clamp Figure 3-3: Attach the collar bracket to the pole. 23 OF 65 VERSION 1.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE 4) VERSION 1.4 Mount the antenna to the pole. Rest the antenna on the Installation Collar Clamp and attach the clamps loosely. See Detail C. Antenna with Upper and Lower Brackets 2X Swing Arm 2X Clamps 4X Lock Washer 4X M8X100 Allowable Pole Outside Diameter Range 48mm to 114mm 4X Flat Washer Figure 3-4: Mount the antenna to the pole.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE C Pin DETAIL C Figure 3-5: Detail C - upper bracket rests on installation collar clamp and is held in place by the pin. 25 OF 65 VERSION 1.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE 5) Align the antenna to the desired elevation angle and azimuth direction. Elevation Adjustment Range 0° to 10° Azimuth Adjustment Figure 3-6: Azimuth and elevation adjustment 26 OF 65 VERSION 1.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE 6) Tighten down all the hardware. Torque all bolts to 27 Nm (20 ft.-lb. 10X Tighten Bolts Figure 3-7: Tighten down all bolts 27 OF 65 VERSION 1.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE 7) Remove the installation collar kit. Figure 3-8: Remove installation collar kit 28 OF 65 VERSION 1.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE 8) Attach the cable. Torque the N-connector to 1.0 Nm (8.9 in-lb.). Access Point Figure 3-9: Attach the cable to the antenna 3.6.3 Attaching RF Cable to Access Point 1) Attach the RF cable to the Access Point. 2) Torque the connector to 1.7 Nm (15 in.-lb.). 3) Seal the connection. 29 OF 65 VERSION 1.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 3.6.4 Grounding the Cables Ground the RF cables in accordance with the manufacturer’s specification. Ground the cables at the top of the tower. Grounding methods may vary from site to site and with the manufacturer’s recommendations. One method of grounding is to strip the cover from the low-loss cable and clamp a ground strap to the exposed copper shield. The strap is then connected to the tower.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 3.7 Installing Optional Omnidirectional Antenna 3.7.1 Grounding the Antenna Mounting 1) Attach the ground lug using the Hex bolt, lock washer and flat washer that came with the Access Point. 2) Ensure the cable has a good connection. Remove all paint and corrosion where the clamp is attached. 3) Use dielectric grease on the clamp connection to prevent any electrolysis activity due to dissimilar metals. 3.7.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE 2) Attach the pole and tighten all worm clamps. Figure 3-11: Attach to the pole 32 OF 65 VERSION 1.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE 3) VERSION 1.4 Attach the RF cable. Torque the connector to 1.7 Nm (15 in.-lb.). Figure 3-12: Attach cable to Access Point 3.7.3 Attaching RF Cable to Access Point 1) Attach the RF cable to the Access Point. 2) Torque the connector to 1.7 Nm (15 in.-lb.). 3) Seal the connection. 3.7.4 Grounding the Cables Ground the RF cables in accordance with the manufacturer’s specification. Ground the cables at the top of the tower.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 The strap is then connected to the tower. The clamp is wound with waterproof tape. 3.7.5 Waterproofing Cable Connections Wrap RF cable connections with waterproof tape. 3.8 Installing the Access Point 3.8.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 3.8.2 Mounting Access Point to the Pole Access Point M6 Serrated Flange Nut 2 ea M6 Split Lock Washer 2 ea U-Bolt Figure 3-14: Mounting the Access Point to the Pole Attach the Access Point to the pole using the clamp, U-bolt, M6 split lock washer and M6 serrated flange nut. Hex nuts should be tightened enough to prevent the Access Point from falling.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 3.8.3 Aligning the Access Point Azimuth direction Azimuth direction 20° Max. 16° Increments Elevation adjustment slot Fixed elevation holes ADJUSTABLE ELEVATION MOUNTING (OPTIONAL FIXED ELEVATION MOUNTING) Figure 3-15: Aligning the Access Point 1) Rotate the Access Point to the desired azimuth pointing direction. 2) Tilt the Access Point to adjust the elevation (L-bracket may need to be rotated 180° for further adjustment).
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE 3.8.4 VERSION 1.4 Attaching the Ground Wire (recommended) Mounting Pole Access Point M6 Flat Washer M6 Lock Washer Ground Lug M6 Hex Bolt Ø2.8 mm( 8 AWG ) Ground Wire (not provided) To Earth Ground Figure 3-16: Attaching the Ground Wire Warning Axxcelera recommends grounding the unit and supplies the following instructions as a reference only. Necessary grounding should be completed per local electrical codes.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE 3.8.5 VERSION 1.4 Attaching the Cat-5 Cable Access Point PG-11 Gland Seal Shielded RJ-45 Plug (not provided) Cap O-ring DETAIL A SCALE 1 : 2 A UV-resistant, shielded, outdoor Cat-5 Cable (Ø5.2-4.8 mm [Ø.205-.190 in] to IDU (not provided) Figure 3-17: Attaching the Cat-5 Cable 1) Push the un-terminated, un-stripped (no plug) Cat-5 cable through the hole in the gland seal.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 7) Torque the dome nut at the top of the gland seal to 2.5 Nm (22.1 in.-lb.) using the 7/8 open-end wrench. 8) Secure the Cat-5 cable and ground wire to the mast using UV-resistant tie wraps.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 3.9 Power and Data Connections – AC and DC Power Options There are two types of PSU/NIA units: 1) AC PSU/NIA 2) DC PSU/NIA The installation instructions for the AC and DC units are different. For instructions on installing the AC PSU/NIA, refer to 3.9.1. For instructions on installing the DC PSU/NIA, refer to 3.9.2.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 3.9.1 AC PSU/NIA Option 3.9.1.1 Connecting the Access Point to the AC Power Supply/NIA Warning It is extremely important to connect the AC power to the AC PSU/NIA as the last step. Connecting AC power prematurely can damage the Access Point and lead to faulty behavior. The following procedures will guide you through the connection of the AC PSU/NIA unit: 1) Remove the new AC PSU/NIA from the installation kit.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 3.9.1.2 Completing the Connection of the AC Power Supply/NIA Warning N Note It is extremely important to connect the AC power to the AC PSU/NIA as the last step. Connecting AC power prematurely can damage the Access Point and lead to faulty behavior. Other than the models where the power supply cord is included, the AC PSU/NIA does not come with cables or power cord.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE 4) VERSION 1.4 Insert the power cord connector from the NIA into the nearest wall outlet. Figure 3-20: Connect the power cord Figure 3-21: NIA’s IEC320-C7 type connector Warning It is extremely important to connect the AC power to the NIA as the last step. Connecting AC power prematurely can damage the Access Point and lead to faulty behavior.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 5) The completed setup is shown in Figure 3-22:. After verifying all connections to the NIA, connect the power cord to the wall and complete the process of setting up of the Access Point.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 3.9.2 DC PSU/NIA Option The DC PSU/NIA unit powers the ExcelMax Access Point from a -48V DC power source, typically a battery back-up supply. The ExcelMax DC PSU/NIA units (020-44109-0802; see Appendix B:) are black, and output an isolated supply of +53.5V. Warning ExcelMAX Access Points can only be powered by the ExcelMax version of the DC PSU/NIA.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 3.9.2.1 Connecting the Access Point to the DC Power Supply/NIA Warning N Note It is extremely important to connect the DC power to the DC PSU/NIA as the last step. Connecting DC power prematurely can damage the Access Point and lead to faulty behavior. The DC PSU/NIA unit contains no serviceable parts. The power should be tested - the power (outer) LED should light green.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 3.9.2.2 Completing the Connection of the DC Power Supply/NIA Warning N Note 1) It is extremely important to connect the DC power to the DC PSU/NIA as the last step. Connecting DC power prematurely can damage the Access Point and lead to faulty behavior. The DC PSU/NIA does not come with cables or power cord. Service provider must provide their own cables and power cord.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE 3) VERSION 1.4 Screw three wires (22-14AWG) from the power supply into the mating plug (-48V DC supply, DC return, and earth) (Figure 3-25:). Clamping screws for DC Supply, DC Return , and Earth Ground wires -48V DC Supply, DC Return, and Earth Ground Exterior View Mating View Top View Mating Power Plug Connector Figure 3-25: Mating Power Plug 4) Connect the assembled mating plug into the DC PSU/NIA (Figure 3-26: and Figure 3-27:).
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 . Figure 3-27: Connect the mating plug Warning It is extremely important to connect the DC power to the DC PSU/NIA as the last step. Connecting DC power prematurely can damage the Access Point and lead to faulty behavior. 5) The completed setup is shown in Figure 3-28:.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 4.0 Configuring an Access Point for Single-Channel Use Using the Access Point setup screens, follow the procedure below to configure a single-channel Access Point. N Note Where dynamic frequency selection (DFS) is not required, the Access Point will only support a single-channel configuration. The following topics cover configuring an Access Point for single-channel use.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 4.1 Logging into the Access Point Web Page 1) If the installer laptop is not running, power on and wait for the installer laptop to complete initialization to the desktop. 2) Set the IP address to be on the same network as the single-channel Access Point. The Access Point default IP address is 10.1.1.254, and the netmask is 255.255.255.0.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 5) When the Access Point Status screen appears (Figure 4-2:), continue with the setup process by using the links from the screen menu, starting with configuring the IP Address settings.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 4.1.3 Configuring IP Address Settings Follow this procedure to configure the IP Address settings. 1) Select IP Address from the menu list. 2) When the IP Address screen (Figure 4-3:) appears, in the Edit Settings fields enter the appropriate IP Address, Subnet Mask, and Gateway addresses. Figure 4-3: Configuring the IP Address 3) Click Apply to accept the addresses. The Current Settings will display the address values.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE 4.1.4 VERSION 1.4 Configuring System Information Settings Follow this procedure to configure the System Information settings. 1) Select System from the menu list. 2) When the System Information screen (Figure 4-4:) appears, enter the System Name, Location, and Contact information in the appropriate fields. Figure 4-4: Configuring System Information Settings 3) N Click Apply to accept the entries.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 4.1.5 Completing Access Point Setup Follow this procedure to complete the setup of the Access Point. 1) Select Setup from the menu list. 2) When the Access Point Setup screen appears (Figure 4-5:), enter the desired parameters.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE 3) Select the desired CP Ratio (G) from the dropdown list (Figure 4-6:). Figure 4-6: CP Ratio (G) options 4) Select the desired Frame Duration Code from the dropdown list (Figure 4-7: Figure 4-7: Frame Duration Code options 5) Click Apply to complete the single-channel Access Point setup. 56 OF 65 VERSION 1.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 4.1.6 Power Settings for Operation in the 3.650 - 3.675 GHz Band 16.5 dBi AP Antenna Gain .......... 1 dBi External, Sectored, 60deg .......... Cable Loss Channel Spacing: 7MHz Freq Gant BW TX set PPSD (cond) PPSD EIRP PPSD EIRP Limit Margin (MHz) (dBi) (MHz) (dBm) (dBm/MHz) (dBm/MHz) (dBm/MHz) dB 3662.5 15.5 7 10 14.45 29.95 30 0.05 Channel Spacing: 3.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 10 dBi External, Omni 1 dBi Cable Loss AP Antenna Gain Channel Spacing: 7MHz Freq Gant BW TX set PPSD (cond) PPSD EIRP PPSD EIRP Limit Margin (MHz) (dBi) (MHz) (dBm) (dBm/MHz) (dBm/MHz) (dBm/MHz) dB 3662.5 9 7 16 20.95 29.95 30 0.05 Channel Spacing: 3.5MHz Freq Gant BW TX set PPSD (cond) PPSD EIRP PPSD EIRP Limit Margin (MHz) (dBi) (MHz) (dBm) (dBm/MHz) (dBm/MHz) (dBm/MHz) dB 3662.5 9 3.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 5.0 Maintenance Guide This section is intended for use by all Field Service Engineers. Catastrophic failures can often be prevented by a regimen of preventative maintenance. The following is a list of maintenance suggestions supported by Axxcelera. 1) Perform regular visual inspections. Check the butyl-rubber waterproofing tape used to cover the cable connectors for integrity.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 Appendix A: NIA/Power Adapter Specifications: Model # TR60A-POE-L Features Specifications • Universal Input: 90 ~ 264Vac • Input Characteristics • Continuous Short Circuit Protection Voltage Frequency Inrush Current Conducted EMI Isolation Leakage Current • Conductive EMI Meets CISPR/FCC Class B • High Efficiency at 75% Minimum • Lighting Protection NOTE 1: Voltage accuracy is set at 60% full load. 2: Add a 0.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 Appendix B: ExcelMax DC PSU/NIA (020-44109-0802) Features Dimensions Specifications Desk-Mounting Unit: L= 126mm W= 81mm H= 46mm Wall-Mounting Unit: L= 153mm W= 81mm H= 51mm Weight 350g Color Black Operating Temperature 0 ° C to +40 ° C ambient (free air cooling) For Indoor Use Only Storage Temperature -40 ° C to +70 ° C Input DC, -48V (+/-20%) Output DC, +53.5V (typical) Max output current = 0.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 Appendix C: Glossary of Terms and Abbreviations Bandwidth A measure (in Hertz) of a transmission facility’s ability to transmit signals that span a range of frequencies without degrading the amount of power in the signal. For example, a bandwidth of 2700 Hz. Base Station The indoor and outdoor equipment located at the central site.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE VERSION 1.4 Polling Interval The frequency with which a management station invites network nodes to transmit management information from several seconds to several hours. Transmits packets that can themselves add to network congestion, especially if the poll is too frequent on a big network. PSU Power Supply Unit QPSK Quadrature Phase Shift Keying. Two phase carriers are at 90 ° to each other and are thus electrically isolated.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE grounding 37 Grounding the Cables Index A About AC NIA/Power Adapter 12 DC NIA/Power Adapter 13 interconnecting cable 14 AC power 43 AC Power Adaptor 10 Access Point Packing List 9, 18 Access Point Setup screen 55 Access Point Status screen 52 Aligning the Access Point 36 Arcing 17 Attaching RF Cable to Access Point VERSION 1.
EXCELMAX ACCESS POINT CELL INSTALLATION AND MAINTENANCE GUIDE Preface 7 PSU 63 Q QPSK, definition 63 R Related documentation RF Warning Label 17 RF, definition 63 RSSI, definition 63 RX, definition 63 7 S Sales 8 Signal-To-Noise Ratio, definition 63 SNMP, definition 63 SNR, definition 63 Spectrum, definition 63 Symbol Rate, definition 63 System Information 54 T Technical support 8 Threshold, definition 63 Throughput, definition 63 Transceiver, definition 63 TX, definition 63 U Upstream, definition U
