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Alpha SMG-00LI-01, Техническое руководство

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4.0 Managing the SMG, Continued

37

018-354-B0-001, Rev. A (05/2018)

Fig. 4-15, Regular vs. Square (I-Q Imbalance) and Entire Constellation Shape

Fig. 4-16, Corners Squeezed to Center (Gain Compression) and Entire Constellation Shape

Entire QAM 

Constellation

Entire QAM 

Constellation

Содержание SMG-00LI-01

Страница 1: ...AlphaGateway SMG 00LI 01 Technical Manual Effective May 2018...

Страница 2: ...atory code requirements that may affect the placement of equipment and or installation procedures ATTENTION NOTICE provides additional information to help complete a specific task or procedure NOTICE...

Страница 3: ...act 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 us...

Страница 4: ...vigating the SMG Web Page 25 5 0 LoRaWAN Operation 42 5 1 Definitions 42 5 2 Faults 43 5 3 Alarm Reporting 44 5 4 LED Strategy 45 6 0 Technical Specifications 46 Figures Fig 1 1 AlphaGateway SMG Conne...

Страница 5: ...cifications 47 Fig 4 7 History Pages 31 Fig 4 8 Modem Log Page 32 Fig 4 9 Tools Pages 33 Fig 4 10 QAM Constellation Tool 34 Fig 4 11 Normal Good Quality and Individual Cell Characteristics 35 Fig 4 12...

Страница 6: ...ommunication and equipment protection Lightning strikes grid switching or other aberrations on the power line and or communications cable have the potential to cause high energy transients that can da...

Страница 7: ...RF antenna connections Supports multicarrier LoRaWAN transmission Full 64 8 LoRaWAN uplink channel support Flexible uplink channel configuration eg 32 channel full Rx diversity or 56 channel 8 channel...

Страница 8: ...Mount Bracket Kit for 2 in 1 Combo Antenna PN 746 627 24 001 Right Angle Adaptor for GPS Antenna Horizontal Orientation PN 659 014 10 Antenna Kits External Dipole Antenna Kit PN 746 627 41 001 includ...

Страница 9: ...tap on the hard coax Required Tools and Materials User Supplied Torque Wrench 3 8 10mm Socket 1 2 13mm Socket 2 1 Standard Installation Procedure 1 Using the hex head bolts lock washers and flat washe...

Страница 10: ...5 in lbs 9 10 N m Repeat for the second bracket Fig 2 2 Strand Mount Clamp Installation 3 Remove the plugs from the top of the 2 in 1 Combo Antenna PN 670 024 19 and secure two strand mounting bracket...

Страница 11: ...0 N m Repeat for the second bracket Fig 2 4 SMG and Antenna Bracket Orientation 5 Attach the antenna cables to the SMG Antenna ports on one end and to the antenna housing on the other Torque connector...

Страница 12: ...01 to the SMG torquing to 44 3 53 1 in lbs 5 6 N m Verify proper orientation as shown in the image below Fig 2 6 Horizontal Bracket Installation 3 Hang both brackets on the strand through the clamps o...

Страница 13: ...hex head nut lock washer and flat washer against the clamp on the front of the bracket torquing to 79 7 88 5 in lbs 9 10 N m Repeat for the second bracket Fig 2 8 Horizontal Setup 6 Attach the antenn...

Страница 14: ...Insert the carriage bolt through the bottom of the bracket and tighten the hex head nut lock washer and flat washer against the clamp on the top of the bracket torquing to 79 7 88 5 in lbs 9 10 N m R...

Страница 15: ...tor Status Behavior Indication LoRa GREEN OFF ON Module is initializing ON Module is operational with an application e g Packet forwarder running LoRaWAN uplink and downlink packets are supported RED...

Страница 16: ...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 The CM and CPE MAC addresses a...

Страница 17: ...h IPv4 and IPv6 addressing schemes The required DOCSIS Configuration File operational parameters will differ depending on company policies cable modem firmware versions and IP addressing schemes The f...

Страница 18: ...30 0 docsDevNmAccessIpMask 1 3 6 1 2 1 69 1 2 1 3 x The IP subnet mask of the NMS e g 255 255 255 0 docsDevNmAccessCommunity 1 3 6 1 2 1 69 1 2 1 4 x The community string matched to this IP address n...

Страница 19: ...to the SNMP entity querying the CM Variable 53 2 1 SNMPv1v2c Transport Address Specifies the Transport Address to use in conjunction with the Transport Address Mask used by the CM to grant access to...

Страница 20: ...3 6 1 2 1 69 1 2 1 4 x Community string used by NMS to query transponder alphanumeric string docsDevNmAccessControl 1 3 6 1 2 1 69 1 2 1 5 x Level of SNMP access to DM3 0 Series Transponder from IP a...

Страница 21: ...pecifies the UDP port number of the notification receiver If this sub TLV is not present the default value of 162 should be used UDP port number e g 162 38 3 SNMPv3 Notification Receiver Trap Type Thi...

Страница 22: ...2 SNMP MIB Object 11 Len 21 docsDevNmAccessControl 2 5 Software Upgrade Filename 9 Len 24 ModemFirmwareFile bin SNMP MIB Object 11 Len 20 docsDevSwAdminStatus 0 2 Software Upgrade TFTP Server 21 Len...

Страница 23: ...trap SNMP v1 trap in an SNMP v1 packet Timeout for sending inform 15000 Number of retries 3 Filtering Parameters 1 3 6 Software Upgrade Filename ModemFirmwareFile bin Software Upgrade IPv6 TFTP Serve...

Страница 24: ...Parameter Type Description Value atiMgmtSysSnmpTimeout OID 1 3 6 1 4 1 926 1 3 1 5 3 0 Integer Time SMG 00LI will wait before reset if SNMP traffic is not detected minutes 240 Default Note If set to z...

Страница 25: ...a Web browser 3 Enter the SMG s DHCP designated IP address into the Web browser s address field Use square brackets when entering IPv6 addresses FC00 168 40 124 4 The SMG s Web page will load 4 2 Navi...

Страница 26: ...mmary of communications parameters such as parameters for the upstream downstream and network configurations Alarms A summary of the alarms alarm parameters on the device Modem Log A real time log of...

Страница 27: ...ing 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 Alarms Page Vi...

Страница 28: ...ng System Gateway on the main menu For the Gateway page port control function security authorization is needed before carrying out selectable function Use Alpha default username Alpha and password Alp...

Страница 29: ...ys detailed information about the DOCSIS modem including a quick communications summary downstream and upstream data and network communications data Fig 4 5 DOCSIS Data Three data points on this page...

Страница 30: ...es Configuration of alarms generated by exceeding numeric limits Discrete Properties Configuration of alarms generated by entering a specific discrete status Fig 4 6 Alarms Page The Alarms section pre...

Страница 31: ...ued 31 018 354 B0 001 Rev A 05 2018 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...

Страница 32: ...og on the main menu The Modem Log page records the system events including the time alarm count priority event description and the ID of the alarm Fig 4 8 Modem Log Page Security authorization is need...

Страница 33: ...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 Sp...

Страница 34: ...ol to either 150 or 50 for more or less sample rates Fig 4 10 QAM Constellation Tool The tables on the right hand side of the screen provide a summary of common parameters associated with QAM Constell...

Страница 35: ...splay which can help determine the cause of the reduced MER levels Below are examples of several of these common impairments and their footprints Fig 4 11 Normal Good Quality and Individual Cell Chara...

Страница 36: ...01 Rev A 05 2018 Fig 4 13 Doughnuts Coherent Interference and Individual Cell Characteristics Fig 4 14 Gaussian Noise and Individual Cell Characteristics Individual Cells and Entire QAM Constellation...

Страница 37: ...018 354 B0 001 Rev A 05 2018 Fig 4 15 Regular vs Square I Q Imbalance and Entire Constellation Shape Fig 4 16 Corners Squeezed to Center Gain Compression and Entire Constellation Shape Entire QAM Cons...

Страница 38: ...38 018 354 B0 001 Rev A 05 2018 Fig 4 17 Circular Smear Phase Noise and Entire Constellation Shape Fig 4 18 Twisted or Skewed Quadrature Distortion and Entire Constellation Shape Entire QAM Constella...

Страница 39: ...n order to provide the analysis and a display of possible impairments this tool requires the Adaptive Equalization function to be enabled on the CMTS Fig 4 19 Microreflections Tool Click on a particul...

Страница 40: ...Spectrum Tool Buttons Feature Function Range This drop down menu allows the user to select the window s span of measurement Full 3 Channel or 1 Channel Channel The channel number in the center of the...

Страница 41: ...to control the scale of the Y axis on the display Minimum dBmV Enter a minimum power level in dBmV to control the scale of the Y axis on the display Measurements Peak dBmV The highest power level show...

Страница 42: ...of gateway faults Alarm information can be communicated via software protocol or visually using LEDs It is not necessary to have a one to one correspondence between faults and unique alarms There are...

Страница 43: ...Cleared when gateway is reset GPS Holdover Expiry Too much time has elapsed since the GPS was last in the locked state Transmit and Receive performance may be degraded 0x03 Cleared when condition has...

Страница 44: ...ty Fault IDs linked to this alarm Action to be taken Associated LED state Gateway shutdown Critical 0x01 0x022 Reset the gateway Execute BIST Check software versions and upgrade if required If conditi...

Страница 45: ...Initializing Up to 10 minutes Includes time for s w upgrade or recovery Typical boot time is 2 minutes Solid Green Module is operational with an application running packet forwarder LoRaWAN uplink and...

Страница 46: ...Operating Temperature Range 40 C to 60 C Storage Temperature Range 40 C to 70 C Humidity 5 to 95 non condensing Water Proof Level UL 50E Type 6 IEC 60529 IP67 RoHS Directive 2011 65 EU Dimensions HxWx...

Страница 47: ...Housing Color Off white RoHS RoHS compliant Enclosure Material Lexan 943A UL94V0 UV hardened Table 6 2 CH2P900 Antenna Specifications ET915NJMR Antenna Specifications Standard U S LoRa 900 MHz ISM Ba...

Страница 48: ...r more information visit www alpha com 2018 Alpha Technologies Inc All Rights Reserved 018 354 B0 001 Rev A 05 2018 Worldwide Corporate Offices North America Tel 1 360 647 2360 Fax 1 360 671 4936 Euro...

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