SKYWAY-MOBILE SERIES Base Transceiver Station User’s Guide July 2008 Rev 1
Note: Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This device complies with Part 15 of the FCC Rules. Operation is subject to the following (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation.
1. Introduction Congratulations on your purchase of a SkyWay-Mobile BTS system. This user’s guide contains basic description of the system, basic installation and configuration steps to act as a basic guideline for the end user. This guide is not to act as a step-by-step guide for selfinstallation by end users. This product requires a full professional installation services by Solectek’s field engineering staff or authorized reseller officially certified by Solectek.
2. Installation Installation Cabinet The SkyWay-Mobile BTS is typically installed in a standard 19 inch cabinet. The outer dimensions are: Height x Width x Depth – 1550 mm x 600 mm x 722 mm The following is a diagram of the cabinet, as an example. Fig 2-1: SkyWay-Mobile BTS cabinet 2.
It is recommended to position the BTS cabinet as shown in Figure 2-2 in accordance with the following guidelines. The spacing between the rear side of the cabinet and the wall should be at least 600mm. In the front side of the cabinet, at least 600mm spacing should be reserved as a work area. Fig 2-2: Layout of the network facility and location of BTS cabinet Place the cabinets based on the engineering design requirements and accurately mark out the positions of the supports on the floor.
accessories to move the U-shape opening on the corresponding round steel bar of the cabinet support, as show in Figure 2-5. Figure 2-4 Bottom of the cabinet Position the cabinet, make it sit flat by using a level and then tighten the expansion bolts. Check the insulation impedance with a meg-ohmmeter between the cabinet and the floor and make sure that the value is greater than 5MΩ. 2.3 BTS Installation The overall structure of the BTS is shown in Figure 2-5.
Figure 2-6: Rack-mount BTS Enclosure 2.4 Connection of Ethernet Cable The following diagram (Fig 2-7) shows the connections between the BTS and a network switch. The data interface on the BTS is Ethernet with standard RJ-45 connector, as shown below in Figure 2-7. Figure 2-7 RJ-45 Ethernet Connector Fabricate the Ethernet cable using the RJ-45 connectors shown in Fig 2-7.
Fig 2-8: Front panel of the BTS with the Ethernet port 2.5 Connect Power Cable The BTS uses a DC+24V power supply. A +24V power source may be locally available as part of telco closet facility. Solectek supplies either of the following power supply options in case that the user needs to use a separate stand-alone power supply. 220/120 V AC to +24V DC power supply unit. -48V DC to 24V DC power supply unit (in case -48V DC is available on site).
Fig 2-9: An example of a stand alone power supply to be installed in the cabinet In case of an AC installation, first use a standard electrical cord to bring 120/220V AC to the power supply’s AC input, connect the equipment’s DC output to the cabinet’s circuit breaker and then the grounding to the cabinet’s pooling current bar.
Use flame retardant cables as base station power cables, press them out through Ф6 copper lug, and screw down on the base station power wire posts, as shown in Figure 210. Connect one end of the DC+24V power cable to the air switch at the cabinet’s bottom, the red is connected to the positive pole, and the blue is connected to the negative pole.
air switch +24V end, if measurement value shows 24（±3） V, connection is correct. And then close designated branch switch. WARNING: Do not bundle power cables with other cables. They must be cabled separately. 2.6 Cabling Requirements in the Equipment Room The following installation requirements must be followed in order to prevent accidents or damages to the equipment.
3. Startup Process 3.1 Base station overview As the core element in the SkyWay-Mobile system, the BTS is the bridge between wireless transmission and wired backbone network. After the packet data signal is received at the base station from backbone network, the message is mapped with EID of the terminal and then forwarded to MDM board.
Start EMS server and client in EMS server computer. Make sure that EMS server and client application are installed and configured properly Enter EMS SERVER IP and port in IE address bar to enter EMS client GUI interface (refer to the EMS server user’s guide for details). Input user name and password in EMS client login screen to start the process. 3.2.
Fig 3-2: Window to specify the server path 3.2.3 HyperTerminal configuration Make sure that the computer is furnished with HyperTerminal software. Tera Term Pro software is strongly recommended and it can be downloaded from a shareware website. Click desktop shortcut to run HyperTerminal software.
Fig 3-4: HyperTerminal configuration – Serial port Clicking OK in Fig 3-4 should prompt the following screen (Fig 3-5). Go to “Setup” on the menu and select “Serial port”. Fig 3-5 HyperTerminal configuration – Serial port setup In the serial port setup screen (Fig 3-6), set the baud rate of the serial port to 19200. The serial port will not function at any other baud rate value.
Fig 3-6 HyperTerminal configuration (4) The serial port is now successfully configured and can be used for configuring information (such as IP address) for connected base station so that the base station is linked to the EMS server. 3.3 Add a BTS in EMS Server If the client program is running in EMS Server computer, click [Resource Management] to add new base station.
Fig 3-7 Add a net element (Base Station) Fig 3-8 “Add Net Element” screen All entries with the asterisk “*” are required according to the parameters below (content and writing specifications).
SAG signal IP：IP address of sag signaling connected to the BTS SAG voice IP：IP address of sag voice connected to the BTS SAG ID: sag id connected to bts in digits Signaling sending port: signaling sending port specified Sag media port: media port specified Sag signaling code: manner of signaling coding Antenna type: omni-direction or directional Network element type: the frequency range used by network elements; at present 4 types are available: 3.3 G, 2.4G, 1.
Fig 3-10: Net Element Management Screen 3.4 Base Station Startup 3.4.1 Base station normal startup Base station power-on For startup, the base station power, RF cables, calibration cable and GPS etc. must be correctly connected. In particular make sure that the L3 network cable is connected. Also the serial port cable of the base station can be connected to PC to update BTS IP information or view startup message, etc.
Press any key on the keyboard to stop automatic startup and input configuration information to configure base station: Now there will be a boot message in HyperTerminal screen: [VxWorks Boot]: This message provides some operations of simple commands. Input “?” or “h” and press [Enter] to display a set of commands (and examples). To use any command, just input character command with optional parameters and press [Enter].
C - This command can be used to change current L2 boot parameters. Once this command is selected, a detailed option list will be displayed. Modify and overwrite it. When all options are modified, the system will return to [VxWorks Boot]: message. During these processes, press [Enter] to accept current parameters value or input new parameters value and press [Enter] to confirm. Besides, input “.” and press [Enter] to clear current value of this entry and restore it to default.
gateway inet (g) : 192.168.17.1 ：IP of L3’s gateway user (u) : emstest ：username of ftp server ftp password (pw) (blank = use rsh): emstest ：FTP password flags (f) : 0x0 target name (tn) : startup script (s) : other (o) : 0.250.0.37 [VxWorks Boot]: Input “p” to view L3 configuration. [VxWorks Boot]: p boot device : mv unit number : 0 processor number : 0 host name : hy file name : l3_image inet on ethernet (e) : 192.168.17.160:ffffff00 inet on backplane (b): 10.0.0.1 host inet (h) : 192.168.11.
Attaching network interface lo0... done. Loading... 4365424 Starting at 0x10000... ataDrv returned ERROR from usrRoot. ataDrv returned ERROR from usrRoot. Error during ataDevCreate: d0003 Attached TCP/IP interface to mv unit 0 Attaching interface lo0...done Adding 8580 symbols for standalone.
rtc year : 2006 ：Configure year rtc month : : 11 ：Configure month rtc day : 8 ：Configure date rtc hour : 11 ：Configure hour rtc minute : : 11 ： Configure minute rtc second : : 2 ：Configure second [BOOT]:BS booting [BOOT]: @ L3 Application booting.............................. Done Now bts is successfully started. bts(160) L3->3b55bae0 tCleanUp:0000 L3DataEB.cpp( 840) : CleanUp sta rt monitoring.
[2006/11/08 shed [2006/11/08 shed [2006/11/08 nished [2006/11/08 nished 11:11:0] [BTS boot] ==> Download file :fpga_L2.out fini 11:11:0] [BTS boot] ==> Download file :fpga_L1.out fini 11:11:0] [BTS boot] ==> Download file :fpga_FEP0.out fi 11:11:0] [BTS boot] ==> Download file :fpga_FEP1.out fi Download booting file is now completed.
FEP circuit module boot is now completed [2006/11/08 11:11:0] [BTS boot] ==> Whole BTS boot finished [2006/11/08 11:11:0] [tSys] BTS standby version: 0 [2006/11/08 11:11:0] [tSys] Send BTS Reset Notify to EMS. [2006/11/08 11:11:0] [tSys] BTS boot from NvRam.
[2006/11/08 [2006/11/08 [2006/11/08 [2006/11/08 [2006/11/08 [2006/11/08 [2006/11/08 [2006/11/08 [2006/11/08 [2006/11/08 [2006/11/08 [2006/11/08 [2006/11/08 [2006/11/08 [2006/11/08 [2006/11/08 [2006/11/08 [2006/11/08 [2006/11/08 [2006/11/08 0x0000 [2006/11/08 [2006/11/08 [2006/11/08 [2006/11/08 [2006/11/08 [2006/11/08 [2006/11/08 fg [2006/11/08 [2006/11/08 [2006/11/08 11:11:0] 11:11:0] 11:11:0] 11:11:0] 11:11:0] 11:11:0] 11:11:0] 11:11:0] 11:11:0] 11:11:0] 11:11:0] 11:11:0] 11:11:0] 11:11:0] 11:11:0] 11:11:
Second, there is a “Reset” switch on the front panel. Press this button for several seconds and the base station will reset and enter into the reboot sequence; A hard reboot (disconnect main switch at the back of base station rear panel) is not recommended in all circumstances except for severe equipment malfunction that causes other reset options to be unavailable.
4. Calibration When BTS is successfully started, some of its initializing data can be configured via EMS client so that BTS is calibrated for normal work. During base station calibration, the inter-antenna phase difference can be measured and the all output power from RFS to antenna can be matched. The calibration should be conducted at least three times to ensure its effectiveness. At least 20 minutes are required for loading new software in RFC.
Fig 4-1 BTS Panel Go to “Net Element” on the menu and select “Net Element” (Fig 4-2). The “Net Element Management Screen” is shown in Fig 4-3.
Fig 4-3: Net Element Management Screen Some basic configurations are needed at this point: Click [System Management-GPS Settings] and select the time zone of the base station in [GMT difference] as shown in Fig 4-4. Click [OK] and the configuration is successful.
Fig 4-4: BTS configuration for GPS time Click [OK] in the confirmation window, as shown in Fig 4-5. Fig 4-5: GPS Confirmation Window Enter [System Configuration / Performance Log settings] and fill in [Server IP] with the server IP for performance log uploading and storage. Please make sure that this IP matches the IP address in front-end processor configuration. For other entries, just keep the default value.
Fig 4-6: FTP server IP configuration Click [Ok] and the configuration is successful. [L1 Configuration—L1 Configuration]: Antenna mask: Check or uncheck for each one of the 8 antenna masks. Sync Source: “Local” or “GPS”. Please select “GPS” if GPS is connected. Fig 4-7: Antenna Mask and GPS Configuration Click [Ok] and the configuration is successful. Drag the slider to select central frequency used by base station, as shown in Fig 4-8.
Fig 4-8: RF Calibration Setting Configuration Click [Ok] and the configuration is successful in the confirmation window (Fig 4-9). Fig 4-9: Calibration setting confirmation window [L2 configuration—Air link] In this screen, the “Fronting Serial ID" supports intra-frequency network.
Fig 4-10: Choosing Sequence ID in the Airlink configuration
Fig 4-11: Choosing Time slot value in Airlink configuration window The following default values can be used in most situations.
Fig 4-12: Airlink configuration window Click [Ok] and the configuration is successful. [L2 Configuration| Radio Resource Management Policy Configuration]: Configure the modulation mode, power control and minimum bandwidth. The default, factory assigned values are recommended.
Fig 4-13: Resource Management Policy Screen Click the base station to be calibrated and select it.
Fig 4-15: BTS Calibration Request A dialogue box for calibration request pops up. Select calibration type between “Complete calibration” and “Express calibration”, then click “OK” and the calibration is successful. Fig 4-16: Calibration action request window After calibration, click calibration result to view whether the result is saved and whether the calibration result is correct.
Fig 4-17: Calibration Status The calibration process should be executed more than twice. Make sure that the values are relatively stable(+/-3) and there is no “zero” in the result. After the second calibration is conducted, click [Calibration Data] to show the data for second calibration in the window.
If the calibration date can’t be updated in base station calibration, the following two solutions can be adopted: Make sure that ftp (Serve-U) is working properly: for example, the user name and password for calibration are correctly matched; the folder of calibration file is correct or not, etc. Make sure that the FTP IP information is correctly set in performance logs.
5. Operating Status Any communication equipments must work within a certain range of temperatures because over-high and over-low temperatures will affect its performance. For SkyWayMobile BTS system the working temperature is between 0 and 50 centigrade degree. At the digital panel of the base station there is temperature sensor for real time monitoring of digital chipset board and transmitting detected temperature to EMS network management system.
Fig 5-2: BTS Status Display Current user number: the amount of CPE currently registered. Satellites visible and satellites track: usually if the number of tracing satellites is greater than 3, synchronization can be conducted. BTS boot source: start data source of current base station. SyncCard temperature: the temperature of frequency synthesizer board in the base station. Average Free UL Channel and DL channel: amount of currently available channels.
6. System Alert Similar to any system management system, EMS maintains and stores messages of failures or alerts from the base station, which can be viewed from failure console or alert console. Enter the EMS system and select [Fault—Console—Fault Console] to enter the screen as below. Click the network element to view and click [View] button in the left top and the detailed information of alert will be displayed.
Fig 6-3: Event and Alert View Console Please refer to the EMS user’s guide for detailed information and measures for failures and alerts. If it's confirmed that there is hardware failure, please consult relevant R&D or maintenance personnel to update hardware versions, etc.
Solectek Warranty Policy Scope Warranty Policy applies to all new products purchased from Solectek or Solectek’s authorized distributor, reseller or partner. The Warranty Policy does not cover the purchase of refurbished or used equipment, or the purchase of equipment from non-authorized sources. Standard Warranty Period Standard Warranty period is 12 months beginning from date of shipment from Solectek or authorized distributor.
Solectek, at its discretion, will replace a unit with a new or refurbished unit and ship via Standard Overnight Service. Customer’s faulty unit shall be returned to Solectek within 30 days, as described in the Logistics section below. In the event that the faulty unit is not returned in the stated time frame, or if upon inspection by Solectek, the faulty unit is determined to be outside the scope of the Warranty Terms above, Customer shall be invoiced for the cost of the replacement unit.
