Arcwave’s ARCXtend HSD Enhanced 5.8 GHz Wireless Plant Extension Solution Installation Guide P/N: 920-00009-001 Rev. 1 Arcwave, Inc. 100 Albright Way, Suite A Los Gatos, CA 95032 USA, Phone: 408-558-2300 www.arcwaveinc.
Installation Guide About this document This guide is designed familiarize you with the ARCXtend HSD Enhanced 5.8 GHz WPE solution. The guide identifies the major components and describes their functions within the WPE solution. The installation and configuration processes are also discussed in fundamental terms. Revision History ISSUE # 1.
Installation Guide Notices The information in this publication is subject to change without notice. Arcwave shall not be liable for technical or editorial errors or omissions nor for any damages resulting from the use of this material. U.S. Federal Communication Commission (FCC) Notification This device complies with part 15 of the U. S.
Installation Guide To ensure compliance with FCC recommended Occupational/Controlled exposure limits, field engineers and technicians should maintain a minimum working distance of six inches, as measured from the front of the Hub or CPE to the front of their bodies. For working distance inside six inches, RF exposure should be limited to an average of 30 minutes at a time. All Arcwave equipment, however, has been designed to allow installation and maintenance at a range well within FCC RF exposure levels.
Installation Guide Downstream and Upstream Frequency (Channel) Configuration The customer cable modem should never be configured to acquire a specific downstream frequency as there is not a one-to-one correlation between the cable network downstream frequency and the downstream frequency output by the ARCXtend CPE. The downstream frequency output by the ARCXtend CPE is a purely a function of the downstream wireless channel selected.
Installation Guide Introduction The ARCXtend HSD Enhanced 5.8 GHz WPE solution is a layer one wireless bridge device that provides wireless connectivity between a coaxial cable plant and one or more customer sites. The WPE solution operates in the 5,725 MHz to 5,850 MHz frequency band and supports the transparent delivery of one digitally modulated 6 MHz cable downstream channel and one, up to 6.4 MHz, upstream channel transporting the following services: • DOCSIS 1.0/1.1/2.
Installation Guide The hub connects directly to the coaxial portion of cable plant using a standard power extracting tap and is line powered over coax using 60 or 90 VAC. The CPE is installed at the customer site, connects to a standard cable modem, and is powered over the coax cable using a wall mounted AC adaptor and DC to coax power inserter.
Installation Guide The Hub The Hub is a self-contained weather-protected, strand mountable unit providing a bidirectional wireless connection between a cable plant and a cable modem. The Hub includes an integrated transceiver, patch antenna, embedded cable modem, hub controller and Arcwave’s ARCSmart intelligent management software. Interfaces The following illustration shows the rear of the Hub and identifies the interfaces.
Installation Guide Alignment Brackets Mechanically adjustable horizontal and vertical hub alignment brackets for aligning the hub’s integrated antenna to the desired coverage area. A 7/16” wrench is the only tool required for mounting and aligning the hub. RF W/AC An AC surge protected SCTE compliant female F-type connector for the RF and AC power connection to the cable network.
Installation Guide LED Green/amber weather proof status LED indicating: Amber Solid Amber Blinking Green Blinking Green Solid Power ON Embedded cable modem has Downstream Lock Embedded cable modem has Upstream Lock Embedded cable modem is Operational Ground Lug The ground lug terminal is for bonding the hub chassis to the strand wire. MAC address Each hub model has a unique MAC address as indicated on the label located on the rear of the unit.
Installation Guide The CPE The CPE is small footprint weatherproof radome that can be easily mounted on a rooftop or side of a building to provide connectivity to the wireless network. It contains an integrated transceiver and a narrow-beam antenna that can be easily aligned to receive the signal from a Network Hub. The CPE is roughly one foot square and supports low cost installation using the same hardware and skills as a small satellite dish.
Installation Guide RF W/DC An SCTE compliant F-type connector provides the RF connection to the cable modem and for powering the CPE. The CPE operates on 18 Vdc nominal which is provided by the Arcwave supplied wall mounted 120 VAC CPE adaptor and DC power inserter, model number AX3655-PS-18. The DC inserter must be located within 300 feet of the CPE to ensure a minimum input voltage of 12 VDC at the RF W/DC port. The CPE can accept an input RF signal between 10 and +30 dBmV from the cable modem.
Installation Guide Deploying the ARCXtend Equipment Personnel installing the equipment must be familiar with basic cable drop, cable modem and ARCXtend WPE solution installation and troubleshooting techniques.
Installation Guide Installation Overview The installation process involves major four steps: • Wireless link planning • Installing the hub • Installing and aligning the CPE(s) • Installing the customer cable modem Wireless link planning Wireless link planning is essential to the success of WPE installation and is highly recommended before attempting to install the equipment.
Installation Guide Installing the hub This section provides instructions on how to install the hub on a cable strand with AC powered provided over the coaxial cable. The hub can also be installed on a rooftop, mast or tower using the AX1655-SMA pole mount adaptor kit. It can be powered using power over Ethernet per the wiring diagram provided in the previous section. Aligning the hub Attach the bracket to the messenger strand with the two hanger bolts.
Installation Guide Verify via the hub that hub has power and the embedded cable modem has achieved operational status. Provisioning the Link Link provisioning is accomplished using via the ARCSmart HTTP web browser interface or via the ARCNet element management system. The parameter names and assignments are the same for both interfaces. Detailed information is available for both tools in their respective user and installation guides located on the Arcwave Support Extranet, http://www.arcwaveinc.
Installation Guide PARAMETER DESCRIPTION Cable Interface Control Choose “Enable” to turn-on the RF interface of the ECM and “Disable” to turn it off. This parameter is useful when the Hub is used for a non-DOCSIS application, such as the wireless transport of a digital video or CBR (constant bit rate) voice signal, and there is no DOCSIS channel on the cable plant. Selecting “Disable” will prevent the ECM from continually scanning for a downstream channel, when none is present.
Installation Guide PARAMETER DESCRIPTION a Hub power outage or reboot. This mode is useful when the Hub transmits a non-DOCSIS channel, such as digital video or CBR voice. The default setting is “Enable”. Note: “Cable Interface Control” must be set to “Enable” in order for this element to be set to “Enable”. Local Ethernet Interface Control Choose “Enable” to allow local connection to the Hub via the RJ-45 connector.
Installation Guide PARAMETER DESCRIPTION Note: “Cable Interface Control” must be set to “Enable” in order for this element to be set to “99” . Downstream Air Frequency Choose the downstream wireless carrier frequency. Valid settings for AX1655 model Hubs are: 5813, 5819, 5825, 5831, 5837, and 5843 (in MHz). The downstream channel frequency out of the CPE is the Downstream Air Frequency minus 5720 MHz.
Installation Guide PARAMETER DESCRIPTION Alarm Destination Enter up to (5) IP addresses where SNMP traps are to be routed to by the Hub. Real time monitor Click on the “Apply” button to refresh the Real Time Monitor display. PureBurst Choose “On” to enable PureBurst and “Off” to disable PureBurst. When no traffic is present on the upstream cable interface, PureBurst mutes the interface preventing the introduction of ingress noise into the cable network. Default setting is “On”.
Installation Guide Installing the CPE Install the mounting hardware (e.g. non-penetrating roof mount, eaves mount) and coaxial cable per the manufacturer’s recommended procedures and in accordance with the National Electric Code and local ordinances. Loosen the (4) mounting bolts and slide the CPE on the mounting pipe. Visually align the CPE in the direction of the Hub and snug the mounting bolts to hold the CPE in place. Install the coaxial cable and ground connections as shown in the illustration below.
Installation Guide Please note the following during installation: • The CPE accommodates a mounting pipe with of 1-1/4” to 2-3/8” in diameter and the CPE and mounting pipe require a minimum of 12 inches clearance on all sides for optimal performance. • The CPE should be located as close to the edge of the building nearest the hub as possible.
Installation Guide Verify CPE output signal at input to cable modem Using a spectrum analyzer or digital signal level meter, verify that the downstream channel power level is within the desired range for the cable modem. If it is not correct, troubleshoot per the table below: Power level is too high Install one or more 10 dB (AX3155-ECF-10) or 20 dB (Ax3155-ECF-20) low pass attenuators between the power inserter and the cable modem.
Installation Guide Cable Modem Installation Connect the cable modem the TV port of the DC inserter as shown in the prior illustration. Set the upstream signal level Using the cable modem’s diagnostic interface, check the upstream signal (US) level is within the desired operating range. Power level is too high Decrease the “Upstream Attenuation” setting in the Arcwave MIB Maintenance page of the user interface by an amount equal to the desired decrease in the upstream power level. i.e.
Installation Guide Problem Does not detect and lock on to the US channel Solution the following checks: • Verify that the “Select Downstream Power” setting is correct for the downstream modulation and wireless range. • Change “Downstream Air Frequency” to a different channel to rule out interference. • Verify that the range and Fresnel Zone clearance are within specifications.
Installation Guide Problem Solution there is RF output from the customer cable modem. If there is no RF output replace the cable modem. If there is an RF output replace the CPE. Cable Modem does not receive an IP address Cable modem does not receive time of day (ToD) Cable modem does not receive the configuration file Cable modem initializes, receives the configuration file, and then reboots Perform normal cable modem installation troubleshooting procedures.
Installation Guide Link Verification Verify the ARCXtend wireless link • Downstream path measurements DS Modulation 64 QAM 256 QAM Expected Performance Troubleshooting 28 dB MER Inspect the constellation to determine the type of impairment affecting the signal and troubleshoot accordingly.