Comotech NTE1GQ AirLight User Manual

Comotech Corporation AirLight

User Manual

                                               TM Installation and User Manual Millimeter-wave Radio Communication System 71~76/81~86GHz Series – NTE1GQCOMOTECH CORPORATION TM
                   71~76/81~86GHz Series   – NTE1GQ                       TM FCC ID : RL3NTE1GQ Warning : This device is a high powered transceiver that operates at frequencies that Could be potentially harmful to human tissue if the following precautions are not taken, (1) Minimum safe operating distance of 3.0meters must be observed at all times Between unit and users* (2) Unit shall be mounted so that minimum operating distance is not inadvertently Impinged by the general public, or non user personnel.     *Please see exposure limits listed in FCC §1.1310
                           Copyright ©2015 Comotech Corp. All Rights Reserved. Comotech Corp. has an exclusive right to the information included in this document, and this matter is protected by the related copyright, patent, and intellectual property right. The products and software stated in this document cannot be translated into another language by arbitrary forms or ways without the written consent of Comotech Corp. and cannot be kept, photocopied, delivered, or reorganized into storage media. Comotech products are explained in this document to simply provide the information. It does not guarantee the matters indicate or include the future performance improvement. The Comotech product design and performance can be changed without prior notice or consent. The registered unique marks and trademark rights such as the products and company names indicated in this document are owned by individual companies and used for verification or explanation not to damage the owner’s profit.
      1. Introduction 1-1. AirLight™ Family  …….……………………………………… 1-11-2. Advantages of AirLight™ Series …….……………………………………… 1-11-3. AirLight™ Features …….……………………………………… 1-21-4. AirLight™ Application  …….……………………………………… 1-3 2. System Overview   2-1. General Description    …….……………………………………… 2-1 3. Installation   3-1. Pre-Installation notice  …….……………………………………… 3-13-2. Install-Location notice  …….……………………………………… 3-13-3. Safety notice  …….……………………………………… 3-23-4. Tools and Equipments    …….……………………………………… 3-33-5. How to Connect AirLight™  …….……………………………………… 3-43-6. Cabling Check  …….……………………………………… 3-73-7. Field Installation    …….……………………………………… 3-7 4. Web-Based GUI   4-1. Introduction …….……………………………………… 4-14-2. Setup and Operation      …….……………………………………… 4-24-3. Management Interface Network Configuration  …….……………………………………… 4-34-4. Terminal Management Interface    …….……………………………………… 4-4 5. Troubleshooting   5-1. General GUI Features   …….……………………………………… 5-15-2. Problem Solving …….……………………………………… 5-1 6. Specification   6-1. NTE1GQ(71~76/81~86GHz) Specification    …….……………………………………… 6-1 7. Warranty    …….……………………………………… 7-1 8. Contact      …….……………………………………… 8-1     Table of Contents
  1 - 1 Introduction COMOTECH CORPORATION  1. Introduction  1-1. AirLight™ Family  AirLight™ applies the original Comotech technology to millimeter-wave as 70/80GHz licensed frequency band and 60GHz unlicensed, and provides the system which supports wireless transmission of various types  of  digital  signals,  such  as  1.25Gbps,  2.5Gbps  gigabit  Ethernet  as  well  as  2.4576Gbps  CPRI. Especially,  product  flexibility  is  provided  to  determine  the  desired  standards  depending  on  user requirements.    1-2. Advantages of AirLight™ Series    Ö  Full-duplex 1Gbps FDD   Ö  Link Distance – Up to 16 miles (26km)   Ö  Forward Error Correction   Ö  Easy Antenna/ODU Assembly – Field detachable ODU by using catch clip.   Ö  High Data Transmission Speed – The systems with various speeds 300Mbps to 1Gbps according to its modulation can be serviced and supported in accordance with application.   Ö  High Security and Frequency Reuse – Good security is guaranteed by high directivity, and the reuse of frequency in the unit of small-cell is possible due to the frequency characteristics of the millimeter wave.                                NTE1GQ-24                                                                            NTE1GQ-12 Figure 1-1 AirLight™ ODU
  Introduction 1 - 2 COMOTECH CORPORATION  1-3. AirLight™ Features  AirLight™ has the following features.    ▶ Next Generation Communication Technology Ö  Integration of high tech   Ö  Digital direct conversion   Ö  Good security   Ö  Data acceptance capability with high capacity   Ö  Low power consumption    ▶ Wireless and Fiber Distributed Network Configuration Ö  Possible to connect to the system using binary digital signals   Ö  Support up to 1Gbps speed   Ö  Support of various interfaces: FDDI, UTP, etc.   Ö  Possible to design in compliance with the communication regulation of each country ( FCC, TELEC, ITU-R)    ▶ Low Cost and High Efficiency Ö  Possible to configure very high speed network with the low cost Ö  Low maintenance and repair cost without laying   Ö  Possible to install/operate with the small number of persons (1 or 2 persons)   Ö  Possible to send the data with high capacity, flexibly connect to another system   Ö  Possible to connect to IP network   Ö  The same transmission efficiency as the wired one    ▶ Efficient Network Management Ö  Provision of the efficient network management program Ö  Support of network management to check the AirLight™ state
  1 - 3 Introduction COMOTECH CORPORATION  1-4. AirLight™  Application  AirLight™ is an ultra high speed wireless LAN communication product. Configuring the wireless network with Point-to-Point among large buildings makes it possible to communicate the data with the adjacent system through the wireless network. This configuration can replace the area difficult to lay the optical cables  and  communication  facilities  requiring  high  security.  The  wired  and  wireless  double  security management  system,  Using  both  network  among  banks  in  the  neighborhood,  and  the  regional administration  network  can  be  immediately  configured.  When  LAN  is  configured  in  the  area  where buildings  such  as  schools  are  stand  close  together,  capability  expansion  is  needed,  or  the  current communication  network  is  to  be  repaired,  use  it  for  a  temporary  installment  to  provide  the  stable communication service.  -- Low Cost for Maintenance and Repair -- AirLight™  can  be  installed  by  only  a  few  workers  one  or  two.  The  maintenance  cost  during  line operation is extremely low compared to the optical cable, so there is an economical aspect of saving the cost.  Furthermore,  when  the  construction  of  the  optical  communication  network  in  communication service isn’t provided due to the man-made or natural disaster, the service can be seamlessly provided using AirLight™ during the recovery of the optical communication network.    -- Large Capability of Data Transmission -- The  current  communication  market  requires  more  data  transmission  capability.  The  network configuration between cities can be achieved by laying the optical cable, but laying the optical cable in the city requires a lot of cost and time.   Using AirLight™, there all the problems can be solved in the place that needs LAN communication with large capacity of transmission in the downtown area.  -- Easy to Expand the Capacity -- When  additional  lines  are  needed  due  to  the  increase  of  subscribers  in  the  specific  area  or  data processing capacity needs to be expanded, setting up AirLight™ can make the communication service quality improved and the capacity expanded.
  Introduction 1 - 4 COMOTECH CORPORATION  ▶ Financial Network   Financial networks require very high reliability and very low propagation delay for real time trading process. AirLight™ series are proven in the field for a long time.           Figure 1-2 Financial Network     ▶ Hospital Campus Network   The AirLight™ series  provide high capacity  point-to-point service to hospital  and campus  networks  which connect existing local building and newly built remote building            Figure 1-3 Hospital Campus Network
  1 - 5 Introduction COMOTECH CORPORATION  ▶ FWA (Fixed Wireless Access)   Sharing  various  communication  systems,  which  are  separated  from  each  network,  through  AirLight™ is  available.  A network  which  consists  of  telephones,  cameras,  PC’s  can  be  connected  to  another  network  through  AirLight™. Therefore, the two networks can construct a separate private network.             Figure 1-5 FWA (Fixed Wireless Access)    ▶ Security & Internet In case of implementing the centralized management by grouping CCTV security systems in a company, a  new  transmission  line  is  needed.  AirLight™  can  handle  all  of  these  matters.  In  case  of  using  the current wired network and the wireless network with AirLight™, the stability of the security system can be enhanced.                 Figure 1-6 Security & Internet
  Description 2 - 1 COMOTECH CORPORATION  2. Description  AirLight™ consists of a wireless transceiver, management software (ALMP for low latency version) and a manual. The  wireless transmitter and receiver device are physically composed of RF main unit, O/E converting  board  for  Low  latency  optional  and  system  protection  case  with  antenna  and  alignment bracket.    2-1. General Equipment  Main parts of AirLight™ are basically as follow.                               NTE1GQ-24                                                                                          NTE1GQ-12 Figure 2-1 AirLight™ Part-Name    ▶ Antenna Antenna is directly related to the transmission distance of AirLight™. The Fig. 2-1 shows the 24 inch and 12  inch Cassegrain parabolic antenna.  Various  sizes  of  antennas  are available  to  provide the  optimal solution depending on user needs.   System Body Antenna Antenna System Body
  COMOTECH CORPORATION Description 2 - 2  ▶ System Body It  is  the  part  the  wireless  communication  system  is  mounted  to.  To  support  stable  performance  from severe weather condition such as heavy rainfall and heat radiation, an excellent aluminum case is used and the external surface is coated with powder to protect from corrosion. It is also easy detachable for rotating polarization or exchanging RF module in all weather conditions.                  Figure 2-2 System Connector & LED Information    Indication   Color   Pattern   Tributary OK/BER OK   Green   2 seconds ON/ 2 seconds OFF   Tributary OK/BER Alarm   Red   ½ seconds ON/ ½ seconds OFF   Tributary Alarm/BER OK   Red   2 seconds ON/ 2 seconds OFF   Tributary Alarm/BER Alarm   Red   2 seconds ON/ 1/2 seconds OFF/ ½ second ON/ ½ seconds OFF   Power ON Red Stay ON   Table 2.1 System Status / Power LED indicator  Note : TRIBUTARY port (RJ45) supports PoE.    Power connector port information 1. DC (-) – ‘-48V’ suggested   2. DC (+) – ‘0V’ suggested   3. RS485 (+) - ALMP monitoring for low latency version 4. RS485 (-) - ALMP monitoring for low latency version Frame Ground – NC(No connect)  * Item 1 & 2 values can be changed, as long as the voltage difference (48V) is kept. (ex. 1 = 0V, 2 = +48V)
  Description 2 - 3 COMOTECH CORPORATION  ▶ Alignment Bracket The  antenna  provided  by  AirLight™  has  usually  narrow  beam  width,  because  of  the  high  frequency range of millimeter-wave of 71~76/81~86GHz. Alignment bracket makes installation easy.    ▶ Monitoring Program GUI    Figure 2-3 Monitoring Program GUI
  Installation 3 - 1 COMOTECH CORPORATION  3. Installation    3-1. Pre-Installation Notice  Workers installing AirLight™ should check the following before installing it.  Ö  Is the space for installation sufficient and are there any dangerous facilities nearby?   - The location should be selected to safely install and maintain, and suitably manage it.  Ö  Are things and tools needed for installation secured? (Refer to section 3-4.)   - Thoroughly prepare the things needed for fast installation.    Ö  Is the structure (ex. mast) suitable to fix the equipment appropriately?   (Refer to section 3-5.) - It should be possible to firmly fix it to get the best communication quality.    WARNING Workers installing the equipment should check the above matters before installation to prevent any accident that may occur during installation.  3-2. Install-Location Notice  The following matters should be considered to install AirLight™.  Ö    Line of Sight As for the installation conditions of AirLight, buildings, pylons, or trees should not be in the line of sight from another AirLight, and it should be installed fairly high enough from the floor.  Ö    Mast The mast for AirLight installation must be stably fixed not to be vibrated by gales or rain. Vibration may degrade communication quality.    Ö    Permission Installation  location  should be  approved by  the  building owner  or  superintendent. Installation methods and other matters meet local requirements.
   COMOTECH CORPORATION Installation 3 - 2  3-3. Safety Notice  AirLight™  is  designed  to  operate  against  severe  environment,  but  the  following  matters  should  be attended to use it safely for a long time.  ▶ Installation Ö  Putting inflammable materials beside the product may cause a fire. Ö  Installing it  in  the unstable or vibrating  place or  in the place  right ahead  of the  wall  may degrade communication quality. Ö  Dropping or putting too much impact on it may cause the product break down.   Ö  Even  though  the  product  is  turned  off,  it  shouldn’t  contact  the  electric  wire.  It  is  good  to  take  a necessary safety action during installation. Ö  If the product is not installed in accordance with its operating instructions, it may impede wireless communication. Ö  Installation and repair need  technicality and experience, so the  after sales service center or sales store  can  safely  handle  it  at  user  request.  There  is  no part  a  user  can  fix  inside,  so  if  arbitrarily disassembled, it may cause a breakdown or degrade communication quality.    ▶ Power Ö  The power terminal should be securely fixed not to be vibrated. If the connection is unstable, it may cause a fire. Ö  Do not put heavy things on the power cord, or do not let the cord pressed under the device so that it should not be damaged. Otherwise it may cause an electric shock and a fire.   Ö  Do not let the water inside through the power cord protection tube to avoid the electric shock. Ö  Beware that putting the power cord beside the heating device may cause melting the coating of the cord.   Ö  The  working  voltage  must  be  checked  before  using  the  product.  Wrong  or  not  connect  power source and voltage cause a failure.
  Installation 3 - 3 COMOTECH CORPORATION  ▶ Caution Ö  This product consists of precise parts, so any disassembling or remodeling the product by user may cause a fatal breakdown. If a failure occurs because of it, the manufacturer is not responsible for product quality.     Ö  If the antenna is covered with a lot of filth, get it off with the smooth cloth stained with the neutral detergent  and  rub.  Then,  rub  it  off  again  with  the  clean  cloth.  Using  chemicals  such  as  organic solvents, alcohol, and benzene may damage the product. Never use them. Ö  Do not use the product in the state of failure such as reverse power input. Immediately turn off the power  switch  and separate  the  power source,  and contact the  after sales service  center or  sales store for safe handling.   Ö  Turning off the power source reduces the risk of an electric leakage or a fire, when the product is not used for a long time.   3-4. Tools and Equipment    The following tools and equipment are needed to install AirLight™. Workers installing the device should check the following things.  ▶ Things Needed for Installation   Ö  Power cables – PoE(Default): UTP Cat 6, DC(Optional): 48V Ö  Communication cable   UTP: Cat 6 Ö  Other tools (Cabling tools, DVMs for RSSI checking, M10 spanner for bracket assembly, etc.)
   COMOTECH CORPORATION Installation 3 - 4  3-5. How to Connect AirLight™  Fully understand the following matters before setting up AirLight™ and install it.   WARNING AirLight™  uses  two  types  of  models  using  AC  100  ~  240V (50/60Hz)  or  DC  (+/-)  48V  as  the  input  power  source.  Before connecting  it  to  the  power  source,  be  sure  to  check  if  the purchased product operates with AC or DC.    3-5-1. Connection Terminals of AirLight™ 1.  The Power Input Terminals There is a power input terminal for 48V power source for DC. PoE is also available.   Note : PoE is default for Power input. If DC power is used, connect the power  cables  to  the  to  the  power  input  terminal  by  using provided connector.    2.  Communication Terminals (RJ-45)   The terminal connecting to the external network uses UTP cable.   Note : Users  must  use  cat  6(or  above)  UTP  cable  to  operate  the system properly.    3.  Connector Information     All connectors are located at the bottom of the housing. Please see below connector information.
  Installation 3 - 5 COMOTECH CORPORATION  3-5-2. Power Input   There is a 5 pin external connector at the bottom of housing which is located in between communication connector and RSSI connector.   Pin  1  &  2  are  reserved  for power  source.  In  case  of  DC  power,  pin  1  is  (-)  and  pin  2 is  (+).  Voltage difference between pin 1 & 2 must be 48V.   As for the electric wire, use the wire with the diameter of 0.75mm or larger to stably supply the electricity.           Figure 3-1 Power Input Connector  3-5-3. Communication Terminals (Signal I/O Ports)   NTE1GQ  basically  supports  UTP.  The  following  table  3-1  shows  the  specification  of  standard  UTP terminals. The communication terminals of NTE1GQ are connected as shown in Fig. 3-2.        Figure 3-2 Communication Connector    The fiber optic type of AirLight™ is shown in Table 3-1. Connecting to network equipments, refer to the standards of Table 3-1.  Table 3-1 Fiber optic type       Model Type NTE1GQ I/O Terminal UTP Cat 6 (RJ-45)
   COMOTECH CORPORATION Installation 3 - 6  3-6. Cabling Check  Ö      Check if the correct power source is used. à Check if it is PoE or DC 48V Ö      Check the connected conditions of the power cable.   à Check if the power cable is correctly connected to the power source.   à If the separate power switch is set up, turn it “ON”. Ö      After the power is rightly supplied, check the “PWR LED” is “ON”.   à If it is not lighted, check the connection of power source terminal. Ö      Check if the communication connector is connected properly.   à Check if the communication cable is OK.   Ö      Check the RSSI level through DVM. Readjust it if needed.   à Align the link in accordance with provided RSSI chart.    3-7. Field installation    3-7-1. Deployment   Deploy the radios on the poles, and cabling   - Align them approximately to see each other. (Even 5km distance, the radios can be seen under clear weather condition)   - Telescope will be useful for the first step.   - Power and signal cablings must be done before the alignment process.    Note : There  are  polarization  mark  ‘H’(Horizontal)  and ‘V’(Vertical)  on  the  radio.  Make  sure  both  radios  are deployed as the same polarization.
  Installation 3 - 7 COMOTECH CORPORATION  3-7-2. Alignment   Fix  one  of  the  radios  (let’s  say  ‘A’)  and  start  aligning  the  other  side  (let’s  say  ‘B’)  by  reading Digital Voltage Meter. (A sheet of voltage levels is provided with the radios)   - ‘A’ must not move at this point, and ‘B’ should find the best point.   - Full scanning will be necessary for the first time. (Below is a way of full scanning)   - There could be no movement on voltage level at first time.     Fix the ‘B’ at the best point and start aligning ‘A’.   - Do the same procedure as No. 2.    3-7-3. Fine tuning   When the point of level movement is found, start fine tuning one side by one side.   - Tune the radios one by one until the voltage level reading gets to similar value to the provided chart at the distance.   Note : DO NOT ALIGN BOTH RADIOS AT THE SAME TIME. IT MAY  CAUSE  CONFUSION.  ONE  OF  THEM  MUST  BE FIXED DURING THE ALIGNMENT.    When the radios reach certain levels, carefully fix them.   - Try not to make any movement during the fixing job.    ** NOTE: Get information about altitudes of both radios from GPS before starting alignment. It’s hard to recognize where the 2ft antenna is facing, especially vertical. Use angle meters to make sure they are not heading to the sky or the ground.
  Web-based GUI 4 - 1 COMOTECH CORPORATION    4. Web-based GUI (Management)    4-1. Introduction  NTE1GQ serves as the fully integrated modem module of a point-to-point radio system designed for millimeter band operation. Key features and functions are as follows:  ▶  Major Functions Ö  Ethernet transport via standard 1000BaseT RJ-45 user port   Ö  Configurable BERT mode operation Ö  Configurable QPSK, 16-QAM, 32-QAM, 64-QAM modulation Ö  Configurable  Forward  Error  Correction  Modes  (heavy  and  light)  allows  trade-off  between capacity and link sensitivity Ö  Automated Coding and Modulation for maximum throughput given available conditions Ö  Total capacity (Ethernet + BERT channel) up to 1 Gbps Ö  Web GUI management Ö  In-band management channel allows web GUI management of far-side terminal Ö  PoE+ 802.3at compliant DC power interface
  Web-based GUI 4 - 2 COMOTECH CORPORATION  4-2. Setup and Operation    To setup a link for operation, proceed with the following steps at each terminal: 1. Connect the power connector to an external DC power supply (or alternatively connect an external PoE injector to the ODU’s RJ-45 jack) to energize the ODU system. Boot-up takes about 90 seconds. a. DC supply voltage range in -42.5 to -57V b. Power Connector is keyed, as shown in Figure 2-2. Ensure that the minus (-) terminal of the power supply is connected to the pin on Figure 2-2 as shown. Reverse polarity protection circuitry is present.  2. Connect the RJ-45 network port (or PoE injector data port) to a host computer (laptop or desktop) or to a LAN switch. Make sure that the computer’s network settings are consistent with the default network settings  of  the  ODU’s  system.  The  default  ODU  network  settings  as  shipped  from  the  factory  are  as follows: •  IP Address : 192.168.70.98 (Unit-A), 192.168.70.99 (Unit-B)   •  Mask : 255.255.255.0 •  Gateway : 192.168.70.1   It  will  in  general  be  necessary  to  change  the  ODU’s  network  setting  from  their  default  before proceeding to establishing a ODU Link.   If the management computer and ODU are to be connected directly (not over a routed network), refer to  Section  4-3  for  specific  instructions  on  properly  configuring  the  ODU  and  the  computer  network settings.  3. Start a browser on the laptop or computer and enter the IP address of the ODU into the URL field. •  Factory default ODU IP address is: 192.168.70.98 (Unit-A), 192.168.70.99 (Unit-B)   When  both  ends  of  the  link  have  been  configured  with  compatible  configurations,  acquisition  is automatic on both sides.  4. Login to ODU •  User ID (admin) / Password (admin)  5. Select the Transmitter Power and Frequency Channel in GUI RF Tab    6.  To  run  the  modem  transmit  I/Q  offset  calibration  click  the  “Run  Calibration  Procedure”  link  and follow the instructions. Proper calibration is required to obtain the best possible link performance.
  Web-based GUI 4 - 3 COMOTECH CORPORATION  4-3. Management Interface Network Configuration    4-3-1. ODU Network Configurations The ODU supports manual (static) network configuration settings (DHCP is not supported at this time).  All  ODU  are  factory  configured  with  default  static  network  settings  as  stated  in  Section “Setup and Operation”. These static Network settings can be changed by modifying the Network Configuration field on the Ethernet tab of the GUI  interface. If the ODU is to be connected to a LAN  or  routed  network,  the  installer  should  take  care  to  ensure  (e.g.,  via  PING)  that  no  other node exists on the network with the same IP address.   4-3-2. Management Computer Configuration   The  appropriate  network  configuration  settings  of  the  management  computer  depend  on  the network environment. If both ODU and host computer exist on a routed network supported by a DHCP server, the laptop may be configured to obtain an IP address automatically, as shown in Figure 4-1 below    Figure 4-1 Obtaining an IP Address
  Web-based GUI 4 - 4 COMOTECH CORPORATION  If  the  ODU  and  host  computer  are  connected  directly  or  locally  through  a  simple  LAN  or  un-routed  network,  the  host  computer’s  Network  Settings  will  need  to  be  configured  manually,  as shown in Figure 4-2 below     Figure 4-2 Configuring an IP Address    4-4. Terminal Management Interface    •  The ODU supports management over a TCP/IP network via a web GUI. •  Network  Settings  must  first  be  properly  configured  by  means  of  the  Ethernet/Network Configuration page described in “Ethernet Tab” part. Once a link is established between two terminals, both terminals may be managed over TCP/IP from one side of the link, provided that the ODU Configuration (discussed in “Modem Tap” part) includes allocation of Ethernet capacity over the link. •  Note that all ODUs are shipped from Factory with default IP address 192.168.70.98 (Unit-A), 192.168.70.99  (Unit-B).  The IP  address  of  the  ODU  –  along  with  other  network  settings  – can  be  modified  from  the  Ethernet/Network  Configuration  page  of  the  web  GUI  (see “Ethernet  Tab”  part).  Configure  each  ODU  to  a  unique  IP  address  before  connecting  to  a network.    4-4-1. Web GUI and SNMP Interface   •  The ODU includes an HTTP server that supports full management via a web GUI. The ODU web  GUI  has  been  tested  with  internet  Explorer  and  Mozilla  Firefox,  is  recommended.  To access the ODU, start a browser window, and enter the ODU’s IP address in the URL window. If  the  IP  address for  the  terminal  is  unknown, it  can be  determined by  accessing the  serial console port as described in Section 2.2.
  Web-based GUI 4 - 5 COMOTECH CORPORATION  • Note:  Although  the  ODU  supports  multiple  browser  sessions,  it  is  strongly recommended that the maximum number of simultaneous browser sessions be limited to 2  or  3. An  excessive  number  of browser sessions can  result in sluggish  response times under certain conditions.    •  Once  a  session  is  established,  after  30  minutes  of  inactivity,  the  session  is  automatically terminated. This feature increases security, and limits the number of active sessions that can potentially overload the Modem CPU leading to sluggish response.    4-4-2. Login    Figure 4-3 Login Page        Table 4-1 User Authentication Level
  Web-based GUI 4 - 6 COMOTECH CORPORATION  4-4-3. Common Page Areas   Each UI is sub-divided three distinct areas (Frame)    Ö  Main Status Bar   Ö  Contents   Ö  Main    Figure 4-4 Web GUI Layout     4-4-4. Link Status Tab   The  Link  Status  Tab,  shown  in  Figure  4-5,  presents  configuration  status  data  for  the  near-side terminals, and link status    information for both near-side and far-side terminals. Link Status data are dynamically updated. Link status parameter definitions are as follows: •  RF Tx Power: Currently configured RF transmit power •  RF Tx Frequency: Currently configured RF transmit frequency •  RF Rx Frequency: Currently configured RF receive frequency •  RF Rx RSSI: Received Signal Strength indicator(RF received signal power)     •  Demod    SNR: Demodulator received signal-to-noise ratio •  Temperature: Temperature telemetry data •  Demode Lock: Green status indicates demodulator is correctly locked onto the received signal; red indicates unlocked state. Configuration  parameters  are  provided  in  the  left  pane  and  are  derived  either  from  mainboard configuration or by user entries under the System tab.
  Web-based GUI 4 - 7 COMOTECH CORPORATION  Figure 4-5 Web GUI Main Status Bar and Link Status Tab  4-4-5. Modem Tab   •  The Modem Tab, shown in Figure 4-6, presents a modem status and configuration interface. To  change  the  Modem  Configuration,  select  one  of  the  available  modem  configuration profile  sets.    Configurations  identified  with  the  word  “BERT”  offer  100%  allocation  of  the channel to BERT traffic. Configurations identified with the word “EHT” offer minimal allocation (<~0.5Mbps) to the BERT channel with most capacity allocated to Ethernet transport. •  The selected configuration is enabled and saved to the Modem’s non-volatile memory and by clicking “Apply”. •  Warning:  do  not  refresh  the  browser  or  click  on  any  buttons  or  link  until  the  configuration operation has completed. Always change the far side of a link first. The link will drop when the configuration is changed, and in cases when the near-side configuration is changed, the far-side  will  be  unreachable  until  the  link  is  re-established.  If  the  near-side  configuration  is changed first, restore it to the prior configuration to re-establish the link, and then change the far side configuration first per the normal process. •  The  Modem  Status  panel  displays  the  operational  status  of  the  Modem  transmitter  and receiver.  Nominal  operation  is  indicated  by  OPERATING.  ACQUIRING  is  displayed immediately following link reconfiguration. Pressing the Plot Constellation button displays an ASCII plot of the Demod Symbol constellation in the modem. •  The  Current  Tx  Operating  Parameters  pane  displays  details  of  the  current  Profile  of  the current Modem configuration. If ACM is enabled and the link is operating normally, the Profile with  the  highest  throughput  will  be  displayed.  If  ACM  is  enabled  and  there  is  no  link
  Web-based GUI 4 - 8 COMOTECH CORPORATION established, the most robust Profile will be displayed. •  The ACM Configuration pane allows the user to set ACM (Adaptive Coding and Modulation) to be enabled, or a specific Profile can be selected. Figure 5 shows various modulation types and coding levels available for an example modem configuration. Note that disabling ACM is a persistent setting that will be retained after a power cycle and applied at next start up.         Figure 4-6 Web GUI ModemTab
  Web-based GUI 4 - 9 COMOTECH CORPORATION  4-4-6. Link Quality Tab   The Link Quality Tab, shown in Figure 4-7, presents key link quality metrics. Item   Description   Error Frame   Cumulative number of errored received frames/total cumulative received frames (a frame consists of a number of interleaved FEC codewords)   Link Up Time   Cumulative link uptime   Link Down Time   Cumulative link downtime   Error Free Seconds (EFS)   Cumulative count of error free operation (per ITU G.826 definition)   Errored Seconds (ES)   Cumulative count of error free operation (per ITU G.826 definition)   Severely Errored Seconds (SES)   Cumulative count of severely errored seconds (per ITU G.826 definition)   Unavailable Seconds (UAS)   Cumulative count of unavailable seconds (per ITU G.826 definition)   Block Error Rate   Cumulative number of errored received FEC code blocks/total cumulative received code blocks   Table 3. Link Quality Definitions   Figure 4-7. Web GUI Link Quality Tab
  Web-based GUI 4 - 10 COMOTECH CORPORATION  4-4-7. RF Tab   The RF Tab, shown in Figure 4-8 below,  presents key  RF status and configuration  information. The selected configuration settings are applied and saved to the modem’s non-volatile memory by clicking the “apply” button.   To run  the modem  transmit I/Q offset calibration click  the “Run Calibration  Procedure” link  and follow the instructions. Proper calibration is required to obtain the best possible link performance.    Figure 4-8. Web GUI RF Tab  Channel Lower/Upper band   Center Frequency(GHz) Channel Lower/Upper band Center Frequency(GHz) CH1 71.125/81.125 CH11 73.625/83.625 CH2 71.375/81.375 CH12 73.875/83.875 CH3 71.625/81.625 CH13 74.125/84.125 CH4 71.875/81.875 CH14 74.375/84.375 CH5 72.125/82.125 CH15 74.625/84.625 CH6 72.375/82.375 CH16 74.875/84.875 CH7 72.625/82.625 CH17 75.125/85.125 CH8 72.875/82.875 CH18 75.375/85.375 CH9 73.125/83.125 CH19 75.625/85.625 CH10 73.375/83.375 CH20 75.875/85.875 Table 4. RF Channel Chart
  Web-based GUI 4 - 11 COMOTECH CORPORATION  4-4-8. Ethernet Tab   The Ethernet Tab, shown in Figure 4-9, presents key status and configuration control interface for the internal Ethernet interface, including network configuration information, Ethernet switch status, and Ethernet traffic and errors counters.   Network  configuration  (IP  Address,  Netmask  (subset),  and  Gateway)  may  be  changed  by entering desired values under Network Configuration, then clicking Apply & Save Network.  Figure 4-9. Web GUI Ethernet Tab  4-4-9. Logged Data Tab   The  Logged  Data  Tab,  shown  in  Figure  4-10,  presents  history  of  logged  data,  along  with  the ability  to  export  the  logged  data  table  as  a  CSV  file. Entries  are updated  every  15  minutes  by recording  the  minimum,  maximum  and  average  value  within  the  15  minute  interval.  Individual data fields may be added or removed by means of the Data checkboxes. To specify the length of the historical record, select one of the Period ODU buttons. Press the Update button to activate selections.      Figure 4-10. Web GUI Logged Data Tab
  Web-based GUI 4 - 12 COMOTECH CORPORATION  4-4-10. Event Log Tab   A history of system event log messages is available via the Event Log Tab, as shown in Figure 4-11.  The  messages  that appear  in  the log  are listed  in  Table  5. Pressing  the Clear  System Log button results in the permanent deletion of existing log entries. (NOTE: not all of these events are activated, no Modem configured, no Demod Lock Acq/Lost, RF TxEn does not exist, log cleared in there)  Figure 4-11. Web GUI Event Log Tab  Message   Caused By   Modem – All Counters Reset   User clicks on the Reset All button on Link Quality page   IP Address set to nnn.nnn.nnn.nnn   User changes IP Address or configuration is restored where IP is different from current   Modem configured to: nn MHz – nnnQAM – nE1   User configures modem or configuration restored   RF Tx Enable turned ON(OFF)   User sets TxEnable on(off) from ODU page, or configuration is restored that has it on (off)   Time changed to YYYYY-MM-DD HH:MM TZN   Modem web server detects time change of more than 10 seconds   Demod Lock ACQUIRED (nn MHz – nnnQAM – nE1)   Demod lock state changes from unlocked to locked   Demod Lock LOST (nn MHz – nnnQAM – nE1)   Demod lock state changes from locked to unlocked   System Rebooted   System reboot has occurred   Table 5. Event Log Message
  Web-based GUI 4 - 13 COMOTECH CORPORATION  4-4-11. System Tab   The System  Tab  provides access  to  a  variety of System-related  information, including software and  FPGA  version,  clock setting interface,  system  user password  setting, and  firmware  update interface as shown in Figure 4-12.    Figure 4-12. Web GUI System Tab  Ö Clock / Other Status     Selecting Clock / Other Status on the System Tab, shown in Figure 4-13, provides display and setting  capability  for  the  IDU’s  (battery-powered)  real-time  clock,  as  well  as  system temperatures  and  IDU  host  processor  software  uptime  and  load  information.  The  date  and time as set here are used in Data and Event Logging. Changing the time during link operation may result in a discontinuity in logged data and events.   Nominal  Mainboard  Temperature  readings  are  typically  in  the  range  of  20  to  30  degrees above the ambient air temperature around the IDU.                     Figure 4-13. Web GUI System - Clock / Other Status sub-tab
  Web-based GUI 4 - 14 COMOTECH CORPORATION  Ö System Users Selecting System Users on the System Tab provides an interface allowing the operator to set user  passwords,  as  shown  in  Figure  4-14.  Access  on  this  page  is  determined  by  login authentication level. Since the password display is hidden, it must be entered twice to ensure the intended value is captured. Press the Save Passwords button to apply and save changes. User  “admin”  may  modify  any  of  the  passwords.  User  “tech”  may  not  modify  the  “admin” password. User “public” cannot modify any password entries.               Figure 4-14. Web GUI System – System Users sub-tab      Ö Asset Tags   Selecting  Asset  Tags  on  the  System  Tab  provides an  interface  allowing  the  operator to define  Asset  Tag  Name  and  Location,  as  shown  in  Figure  4-15.  Asset  Tags  are  used solely  at  the  discretion  of  the  network  operator  to  define  and  track  network  assets remotely. Also, Asset Tags can be used to assign characteristics at the unit level, such as internal  inventory  tracking  ID,  physical  location,  etc.  Clicking  on  the  Save  Asset  Tags button stores these fields in non-volatile memory on the Modem.    Figure 4-15. Web GUI System – Asset Tags sub-tab
  Web-based GUI 4 - 15 COMOTECH CORPORATION  Ö Firmware Update   The  Firmware  Update  option  on  the  System  Tab,  as  shown  figure  4-16,  provides  an interface  allowing  the  operator  to  perform  IDU  firmware  updates.  Note  that  following  a firmware update, the IDU will automatically apply the Power-on settings previously saved for  the modem  configuration, ODU  configuration,  and  Ethernet configuration,  as  well as retain terminal network settings and user passwords. Note  that  a  firmware  update  can  include  updated  software  (running  on  host  processor) and/or an updated modem bitstream (running on configurable FPGA).  Figure 4-16. Web GUI System – Firmware Update sub-tab      Ö Reboot   Selecting  Reboot  on  the  System  Tab  (see  Figure  4-17)  causes  the  management processor of the IDU to reboot. Before pressing the Reboot System button to reboot the Modem board, please heed the warnings in the System Reboot pane. Note that following a firmware update, the IDU will automatically apply the Power-on setting previously saved for the modem configuration and Ethernet configuration. Note that a reboot will result in a modem re-acquisition sequence, which will temporarily interrupt the link.    Figure 4-17. Web GUI System – Reboot sub-tab
  5 - 1 Troubleshooting COMOTECH CORPORATION  5. Troubleshooting    The basic method to check the AirLight™ status is to use EMS program. If AirLight™ doesn’t operate as it is supposed, execute EMS program to check the operation status of AirLight™.  5-1. General GUI Features  NTE1GQ  supports  management  over  a  TCP/IP  network  via  a  web  GUI.  Once  a  link  is  established between two terminals, both terminals may be managed over TCP/IP from one side of the link  Ö    Link status   Ö    RF Receiving Power – The receiving power is displayed in real-time. Ö    Current of AirLight Ö    Internal Temperature of AirLight   Ö    PLL-Lock checking    5-2. Problem Solving Check the following before asking for after sales service center.    1.  AirLight™ is not detected in EMS program   Problem Cause Action Power Source Power  source  terminal  connection error Check the connection method and connect it again. Cable disconnection Replace it with a new cable Switch ‘Off’   Switch ‘On’. Administration Communication Terminal connection error Check the connection method and connect it again. Cable disconnection Replace it with a new cable A bad converter Replace  the  converter  with  a  new  one.  (Contact  the vendor.)
  COMOTECH CORPORATION 5 - 2 Troubleshooting  2.  ‘RSSI’ is out of threshold or Link is down.   Problem Cause Action Power Source The  equipment  power  source  on  the other side is “Off”.   Authorize the power source normally.   Setup Wrong direction Readjust the direction. Dirt or dust in the antenna Clean the antenna. The  setup  distance  between equipments is exceeded.   Set it up with less than the effective distance again.   Rotate  and  install  the  equipment  on the one side. Reinstallation (Standardize the rotation direction.) Environment Attenuation due to heavy rain Set it up again considering the local rainfall.   Antenna burying due to snow fall Snow removal operations
  6 - 1 Specification COMOTECH CORPORATION  6. Specification  6-1. AirLight™ 71~76/81~86GHz Series Typical Specification  Parameter NTE1GQ Frequency Range 71~76GHz, 81~86GHz Output Power +12dBm typ. Sensitivity   -70dBm typ @QPSK -64dBm typ @16QAM -56dBm typ @64QAM Modulation QPSK – 64QAM   Main Power PoE(Default): UTP(RJ-45) Network Interface   10/100/1000Base RJ-45   Data Rate 1Gbps Management Web-based GUI, SNMP II Operation Temperature -45°C ~ +65°C Size (W x H x D) (mm) 620 x 620 x 360 (2ft), 328 x 328 x 243 (1ft) Weight 12kg(26.5lbs, 2ft) / 6kg(13.2lbs, 1ft), w/o Bracket   Antenna Type Cassegrain Size 2ft(24”) / 1ft(12”)
  Warranty 7 - 1 COMOTECH CORPORATION  7. Warranty    ¨ Product Warranty Family AirLight™ 71~76/81~86GHz Model NTE1GQ Serial Number  Purchase Date  Warranty Period 18 months   Customer  Phone Number  Address  Manufacturer  Phone Number  Address   ¨ Free charge repair When  the  products  breaks  down  during  the  warranty  period  after  purchase  upon  normal  operation conditions, repair of free charge shall offered.  ¨ Exceptions of free charge repair In case a product is arbitrarily disassembled In case of any failure due to excessive impact In case of any break down due to natural disaster, accident or calamity   In case supplies with accessories were assembled separately by customer arbitrary Any trouble due to the use of non-standard or non-recommended products or parts    ¨ Contact to Customer Service 908-6, UKIC,812-1, Hyomun-Dong, Buk-Gu, Ulsan City, 683-360, South Korea Tel : +82-52-288-7550 Fax : +82-52-288-7551 http://www.comotech.com
 COMMUNICATION MOTIVITY Headquarters 908-6, UKIC, 812-1, Hyomun-Dong, Buk-Gu, Ulsan, 683-360, South Korea   Contacts http://www.comotech.com TEL: +82-52-288-7550 FAX: +82-52-288-7551 E-mail: sales@comotech.com COMOTECH CORPORATION

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