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Related Manuals for Alpha AlphaGateway SMG-00LI-01
Summary of Contents for Alpha AlphaGateway SMG-00LI-01
- Page 1 AlphaGateway SMG-00LI-01 Technical Manual Effective: May 2018...
- Page 2 Alpha tries to adhere to ANSI Z535 and encourages special attention and care to information presented in the following manner:...
- Page 3 Alpha Technologies or your nearest Alpha representative. Alpha shall not be held liable for any damage or injury involving its enclosures, power supplies, generators, batteries or other hardware if used or operated in any manner or subject to any condition not consistent with its intended purpose or is installed or operated in an unapproved manner or improperly maintained.
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Page 4: Table Of Contents
Table of Contents AlphaGateway SMG Safety and Compliance Notes ......6 1.0 Introduction..........7 1.1 AlphaGateway SMG Connections and Indicators . - Page 5 Figures, Continued Fig. 4-7, History Pages ........31 Fig.
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Page 6: Alphagateway Smg Safety And Compliance Notes
AlphaGateway SMG Safety and Compliance Notes Safety Precautions CAUTION! • Only qualified personnel should service the Gateway • Verify the voltage requirements of the equipment to be protected (load), the AC input voltage to the Gateway (line) and the output voltage of the system prior to installation. •... -
Page 7: Introduction
1.0 Introduction The SMG-00LI-01 is a strand-mounted HFC-powered, DOCSIS 3.0 LoRaWAN Gateway that utilizes the power, backhaul and real-estate of the Broadband Access Network’s areal coax network to enable LoRaWAN communications. The SMG-00LI-01 has the following key features: • Passively cooled carrier-grade design (IP67) •... -
Page 8: Kit Contents And Part Numbers
1.0 Introduction, continued 1.2 Kit Contents and Part Numbers SMG-00LI configurations: • SMG-00LI-01-00SL with 3” Strand Brackets, Vertical Orientation (PN: 018-354-20-001) • SMG-00LI-01-00S2 with 2” Strand Brackets, Horizontal Orientation (PN: 018-354-22-001) Bracket Kits: • 3” Strand Mount Bracket Kit for Vertical Orientation (PN: 746-627-23-001) NOTICE: A vertical SMG-00LI installation configured with the 2-in-1 Combo Antenna requires two sets of the 3”... -
Page 9: Installation
2.0 Installation Prior to Installation: • Provision the SMG’s DOCSIS Modem and RF MAC Address. This can include, but is not limited to: • Assign a cable modem configuration file with the EMS as a trap destination, CPE enabled, and the bandwidth set properly. -
Page 10: Fig. 2-2, Strand Mount Clamp Installation
2.0 Installation, Continued 2. Hang both brackets on the strand through the clamps on the bracket as shown. For thicker 3/8” strands, reverse the orientation of the clamp so that the larger concave side faces the strand. Insert the carriage bolt through the back of the bracket and tighten the hex head nut, lock washer, and flat washer against the clamp on the front of the bracket, torquing to 79.7 –... -
Page 11: Fig. 2-4, Smg And Antenna Bracket Orientation
2.0 Installation, Continued 4. Hang the antenna on the strand about 36” from the ports on the side of the SMG. For thicker 3/8” strands, reverse the orientation of the clamp so that the larger concave side faces the strand. Insert the carriage bolt through the back of the bracket and tighten the hex head nut, lock washer, and flat washer against the clamp on the front of the bracket, torquing to 79.7 –... -
Page 12: Horizontal Installation Procedure
2.0 Installation, Continued 2.2 Horizontal Installation Procedure 1. Attach the GPS Antenna (PN: 670-025-19) to the SMG (PN: 018-354-22-001) using a 13/16” wrench and the included right angle adapter (PN: 659-014-10) as shown in the image below. Torque to 15 – 20 in-lbs (1.7 – 2.3 N-m). -
Page 13: Fig. 2-8, Horizontal Setup
2.0 Installation, Continued 4. Using the hex head bolts, lock washers, and flat washers, secure the strand brackets (PN: 746-627-24-001) to the dual antenna module, torquing to 44.3 – 53.1 in-lbs (5 – 6 N-m). 5. Hang the antenna on the strand about 36” from the ports on the side of the SMG. For thicker 3/8” strands, reverse the orientation of the clamp so that the larger concave side faces the strand. -
Page 14: External Dipole Antenna Installation Procedure
2.0 Installation, Continued 2.3 External Dipole Antenna Installation Procedure 1. Follow the standard installation steps 1 and 2 for hanging the SMG on the strand. 2. Attach each external dipole antenna to a strand mount bracket (PN: 746-627-31-001) using the included hardware, as shown below. -
Page 15: Start-Up And Verification
2.0 Installation, Continued 2.4 Start-Up and Verification NOTICE: RF levels at the power-passing tap need to be balanced according to WiFi HFC Plant RF Design Specifications. Coaxial F Connector Port (Provides power to the SMG via a Status LEDs power passing tap as well as data backhaul and status monitoring to the HFC network) -
Page 16: Network Configuration
3.0 Network Configuration 3.1 Provisioning the DHCP Server with the MAC Addresses On the DHCP server, assign the cable modem’s CM MAC address with a DOCSIS Configuration File to set modem communication options. (See Section 3.3, The DOCSIS Configuration File for instructions on how to create a DOCSIS Configuration File). -
Page 17: Establishing Ip Connectivity
3.0 Network Configuration, Continued 3.2 Establishing IP Connectivity NOTICE: The Alpha SMG / LoRaWAN currently supports IPv4 only. 3.3 The DOCSIS Configuration File A cable modem’s DOCSIS Configuration File is a type-length-value (TLV) file that contains important operational parameters as defined by the DOCSIS standards. It provides certain settings for the cable modem. In addition to standard entries, settings in the DOCSIS Configuration File should include the modem’s community strings and if an upgrade is... -
Page 18: Table 3-1, Modem Community String Parameters - Docsdevnmaccess Method
3.0 Network Configuration, Continued 3.3.1 Setting Modem Community Strings - docsDevNmAccess Method (IPv4 Only) Set the modem community strings with the DOCSIS Configuration File by including the following SNMP parameters. Modem Community String Parameters docsDevNmAccess Method MIB Parameter Object ID Description Value docsDevNmAccessIp... -
Page 19: Table 3-2, Modem Community String Parameters - Coexistence Method
3.0 Network Configuration, Continued 3.3.2 Setting Modem Community Strings - Coexistence Method Set the modem community strings with the DOCSIS Configuration File for an IPv4 or IPv6 network by including the following SNMP parameters: Modem Community String Parameters Coexistence Method TLV Parameter Description Value... -
Page 20: Table 3-3, Trap Destination Addresses - Docsdevnmaccess Method
3.3.3 Setting SNMP Trap Destination Addresses - docsDevNmAccess Method NOTICE: If an SNMP monitoring system is not deployed to access the Gateway, please contact Alpha Technical Support to disable communications watchdog routines. Set the SNMP Trap Destination Addresses via the DOCSIS Configuration File by including the following SNMP parameters. -
Page 21: Table 3-4, Trap Destination Addresses - Docsdevnmaccess Method
3.0 Network Configuration, Continued 3.3.4 Setting SNMP Trap Destination Addresses - Coexistence Method Set the SNMP Trap Destination Addresses via the DOCSIS Configuration File by including the following SNMP parameters: Trap Destination Addresses IPv4 Method TLV Parameter Description Value Type This config file element specifies an NMS that will receive notifications from the SNMPv3 Notification... - Page 22 3.0 Network Configuration, Continued 3.3.5 Sample DOCSIS Configuration File Entries - docsDevNmAccess Method SNMP MIB Object (11) [Len=21]:docsDevNmAccessStatus.1/4 SNMP MIB Object (11) [Len=21]:docsDevNmAccesslp.1/10.56.21.0 SNMP MIB Object (11) [Len=21]:docsDevNmAccesslpMask.1/255.255.255.0 SNMP MIB Object (11) [Len=25]:docsDevNmAccessCommunity.1/”RW STRING” SNMP MIB Object (11) [Len=25]:docsDevNmAccessInterfaces.1/”@” SNMP MIB Object (11) [Len=21]:docsDevNmAccessControl.1/3 SNMP MIB Object (11) [Len=21]:docsDevNmAccessStatus.2/4 SNMP MIB Object (11) [Len=21]:docsDevNmAccesslp.2/10.20.30.40 SNMP MIB Object (11) [Len=21]:docsDevNmAccesslpMask.2/255.255.255.255...
- Page 23 3.0 Network Configuration, Continued 3.3.6 Sample DOCSIS Configuration File Entries - Coexistence Method SNMPv1v2c Coexistence Configuration SNMPv1v2c Community Name:ReadWrite SNMPv1v2c Transport Address Access SNMPv1v2c Transport Address:0.0.0.0/0 SNMPv1v2c Transport Address Mask:0.0.0.0/0 SNMPv1v2c Transport Address Access SNMPv1v2c Transport Address:0:0:0:0:0:0:0:0/0 SNMPv1v2c Transport Address Mask:0:0:0:0:0:0:0:0/0 SNMPv1v2c Access View Type:read-write SNMPv1v2c Access View Name:docsisManagerView Docsis V3 Notification Receiver...
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Page 24: Setting Communication Options
3.0 Network Configuration, Continued 3.4 Setting Communication Options Communications Settings may be changed through the Alpha MIB remotely using an SNMP MIB browser or automatically by placing the SNMP parameters into the DOCSIS Configuration File. NOTICE: Before setting options, verify UDP ports 37, 69, 161, 162 and TCP port 80 are not blocked. -
Page 25: Managing The Smg
4.0 Managing the SMG 4.1 Remote Access - Web Interface To access the SMG’s Web interface remotely via Web browser, use the following procedure: 1. Connect the laptop or computer’s network interface port to the company’s Ethernet network. 2. Open a Web browser. 3. -
Page 26: Fig. 4-2, Navigation Pane Links
4.0 Managing the SMG, Continued Select a link in the navigation pane and the page specific to the topic will open, enabling real-time data and parameters to be observed and configured. Gateway: System information, such as the name of the device, location, and the type and version of the current firmware. -
Page 27: Fig. 4-3, System Link, Navigation Pane
4.0 Managing the SMG, Continued System Pages Selecting the System link in the navigation pane enables the user to access three areas: • Gateway Page - View system information. • DOCSIS Page - View details about the cable modem communications link. •... -
Page 28: Fig. 4-4, Gateway Data
Fig. 4-4, Gateway Data For the Gateway page port control function, security authorization is needed before carrying out selectable function. Use Alpha default username “Alpha” and password “AlphaSet” to control Gateway page editable functions like port control and clear DOCSIS log. -
Page 29: Fig. 4-5, Docsis Data
4.0 Managing the SMG, Continued DOCSIS Page Open the DOCSIS page by selecting System DOCSIS on the main menu. The DOCSIS page displays detailed information about the DOCSIS modem including a quick communications summary, downstream and upstream data, and network communications data. -
Page 30: Fig. 4-6, Alarms Page
4.0 Managing the SMG, Continued Alarms Page Open the Alarms page by selecting System Alarms on the main menu. The Alarms page consists of three main sections: • Alarms - Any items currently in alarm, first listed as a summary and then by category. •... -
Page 31: Fig. 4-7, History Pages
4.0 Managing the SMG, Continued History Pages Selecting the History link in the navigation pane enables the user to access one area: • Modem Log Page - A real time log of events relating to the DOCSIS modem. Fig. 4-7, History Pages 018-354-B0-001, Rev. -
Page 32: Fig. 4-8, Modem Log Page
ID of the alarm. Fig. 4-8, Modem Log Page Security authorization is needed before carrying out selectable functions. Use Alpha default username “Alpha” and password “AlphaSet” to control editable parameters. -
Page 33: Fig. 4-9, Tools Pages
4.0 Managing the SMG, Continued Tools Pages Selecting the Tools link in the navigation pane enables the user to access three areas: • Constellation Page - Provides a constellation view of the DOCSIS channel for troubleshooting impairments. • Microreflections Page - Provides details about impairments on the network. •... -
Page 34: Fig. 4-10, Qam Constellation Tool
4.0 Managing the SMG, Continued Constellation Page The Constellation page provides a constellation view of the DOCSIS channel that may assist in identifying and troubleshooting common network impairments. The page will automatically refresh until the samples remaining counter reaches 0. Clicking the Restart button refreshes the constellation tool, and clicking the Stop button halts the analysis. -
Page 35: Fig. 4-11, Normal (Good Quality) And Individual Cell Characteristics
4.0 Managing the SMG, Continued QAM Constellation Common Impairments Several common impairments tend to reveal themselves on the constellation display which can help determine the cause of the reduced MER levels. Below are examples of several of these common impairments and their footprints. Individual Cells and Entire QAM... -
Page 36: Fig. 4-13, Doughnuts (Coherent Interference) And Individual Cell Characteristics
4.0 Managing the SMG, Continued Individual Cells and Entire QAM Constellation Fig. 4-13, Doughnuts (Coherent Interference) and Individual Cell Characteristics Individual Cells and Entire QAM Constellation Fig. 4-14, Gaussian Noise and Individual Cell Characteristics 018-354-B0-001, Rev. A (05/2018) -
Page 37: Fig. 4-15, Regular Vs. Square (I-Q Imbalance) And Entire Constellation Shape
4.0 Managing the SMG, Continued Entire QAM Constellation Fig. 4-15, Regular vs. Square (I-Q Imbalance) and Entire Constellation Shape Entire QAM Constellation Fig. 4-16, Corners Squeezed to Center (Gain Compression) and Entire Constellation Shape 018-354-B0-001, Rev. A (05/2018) -
Page 38: Fig. 4-17, Circular Smear (Phase Noise) And Entire Constellation Shape
4.0 Managing the SMG, Continued Entire QAM Constellation Fig. 4-17, Circular Smear (Phase Noise) and Entire Constellation Shape Entire QAM Constellation Fig. 4-18, Twisted or Skewed (Quadrature Distortion) and Entire Constellation Shape 018-354-B0-001, Rev. A (05/2018) -
Page 39: Fig. 4-19, Microreflections Tool
4.0 Managing the SMG, Continued Microreflections Tool The Microreflections page provides details about impairments on the DOCSIS network and the approximate distance(s) of the impairment(s). In order to provide the analysis and a display of possible impairments, this tool requires the Adaptive Equalization function to be enabled on the CMTS. -
Page 40: Fig. 4-20, Spectrum Tool
4.0 Managing the SMG, Continued Spectrum Tool A full-range display spanning 0 - 1005MHz, the Spectrum page provides a detailed, full-band capture analysis of DOCSIS Channels. This tool assists in identifying and troubleshooting common impairments throughout the range of DOCSIS Channels. -
Page 41: Fig. 4-21, Spectrum Tables
4.0 Managing the SMG, Continued The tables on the right of the Spectrum page detail the X-Axis (Frequency), the Y-Axis (Amplitude) and the settings for the Spectrum display. Fig. 4-21, Spectrum Tables Spectrum Tool Features Feature Function Frequency (X-Axis) Center Frequency (MHz) The frequency in the center of the display. -
Page 42: Lorawan Operation
5.0 LoRaWAN Operation The LoRaWAN software architecture supports a multi-processing environment. Linux is used as the operating system and multiple applications can be executed simultaneously , with each process running in its own memory space. Further details can be found in “LoRa Macro Gateway: Software Design Specification v0.1,” TEKTELIC Communications Inc., Calgary, 2016. -
Page 43: Faults
5.0 LoRaWAN Operation, Continued 5.2 Faults Table 5-1 shows a list of faults that are detectable on the LoRaWAN platform. Faults Fault Description Fault ID Condition for clearing fault HAL configuration alarms ported to the customer visible interface. Asserted Cleared when gateway Radio Startup Fault prior to the start of the packet 0x01... -
Page 44: Alarm Reporting
5.0 LoRaWAN Operation, Continued 5.3 Alarm Reporting Simplified Alarm Reporting It is preferred to reduce the number of alarms in such a way that, for each unique alarm, there is a specific action to be taken by the operator. Within each reported alarm, there can be additional descriptive text strings that can be used to debug the specific fault condition. -
Page 45: Led Strategy
5.0 LoRaWAN Operation, Continued 5.4 LED Strategy The function of the LEDs is to assist the field installation technician in determining the state of the LoRa gateway. The LED strategy is described in Table 5-3. LED Strategy LED State Functional Description How long is it reasonable to stay in this state? No LEDs No Power to gateway... -
Page 46: Technical Specifications
6.0 Technical Specifications SMG-00LI-01 Specifications Electrical Input Voltage Range 42VAC to 93VAC @ 60Hz Input Voltage Waveforms Sine, Trapezoidal, Quasi-square Wave Input Voltage Turn on 44VAC Input Voltage Turn off (Hysteresis) 42VAC Nominal Input Voltage 75VAC @ 60Hz Hold Up Time 16.67 ms Over Voltage Protection 93VAC... -
Page 47: Table 6-2, Ch2P900 Antenna Specifications
6.0 Technical Specifications, Continued CH2P900 Antenna Specifications Standard U.S LoRa, 900 MHz ISM Band Frequency Range 900 – 930 MHz Peak Gain 3.5 dBi @930MHz, at Room Temperature VSWR < 2:1 Feed Impedance 50 ohms Power Handling 5 Watts Interface 50 ohms, N-type (female) Antenna Dimensions 397.7mm x 162.2mm x 37mm... - Page 48 Fax: +1 360 671 4936 Fax: +49 9122 79889 21 Fax: +561 792.7157 Fax: +852 2199.7988 Alpha reserves the right to change specifications without notice. Alpha Technologies © 2018 Alpha Technologies Inc. All Rights Reserved. Alpha is a registered trademark of Alpha Technologies.
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