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Summary of Contents for Westell DSP85 Original Series
- Page 1 Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series ESTELL.COM ©Westell Technologies. 960-1666-MNL rF...
- Page 2 Use or application of such information or statements is at the users’ sole risk, without any liability on the part of Westell Technologies.
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Page 3: Table Of Contents
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series TABLE OF CONTENTS Preface Purpose ..........................................8 Application ........................................8 Document Organization ....................................8 Document Conventions .....................................9 Product Registration Information ............................... 10 Safety Guidelines ....................................... 10 ... - Page 4 Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series 2.5.3 Power Dividers ..................................19 2.5.4 Grounding Kit ..................................19 2.5.5 Lighting Arrestor ..................................19 2.5.6 Directional Couplers ................................19 ...
- Page 5 Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series 700 MHz Lower A, B and C Band Plan .......................... 48 700 MHz Upper C Band Plan ............................49 B.1.3 Cellular Frequency Band Plan ............................. 49 ...
- Page 6 Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Single-band D1:S2 Port Configuration ......................... 65 Digital Repeater Port Configurations, Modular Series ....................65 Dual-band D2:D1 Port Configuration ........................... 65 Dual-band D1:D2 Port Configuration ........................... 66 ...
- Page 7 Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Figure 3-13: Alarm Configuration ................................32 Figure 3-14: Email Configuration ................................33 Figure 3-15: Log Configuration ................................. 34 Figure 3-16: Account Credentials ................................35 ...
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Page 8: Preface
This manual includes the following chapters: Chapter 1: Product Overview – Provides an Overview of the DSP85 Original Series plus Modular 250 and 251 Series Chapter 2: System Optimization Installation Tips – Provides information for optimization of using the system Chapter 3: Web-Based GUI –... -
Page 9: Document Conventions
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Appendix C: LTE Attenuator and Installation Notes – Provides the LTE Attenuator and installation notes including donor and server isolation Appendix D: Glossary – Provides a list of acronyms used in this manual Document Conventions Table P-1 lists the conventions used throughout this document. -
Page 10: Product Registration Information
No user serviceable parts inside. Hazardous voltages are present when the cover is removed. Opening the chassis will void your warranty. If you suspect a malfunction with this product, call your dealer or Westell Technologies technical support line at 1.877.844.4274 CAUTION! Power off before connecting/disconnecting cables. -
Page 11: Radio And Television Interference
Power supply: UL60950-1 Technical Support If you suspect a malfunction with this product or have a technical question, call your dealer or the Westell Technologies In-Building Wireless Support Line at: (603) 626-6677, Toll Free (USA) 1-877-844-4274, press option 2 then option 1. They can also be reached at ibwsupport@westell.com. -
Page 12: Product Overview
The appendices describe the band plans as well as the convention Westell uses to identify and store the files that make up the filter set. All Westell repeaters are shipped with an active filter set that is programmed according to the ordering parties’... -
Page 13: Led Indicator
LED Indicator Westell automatic safety precautions are built into the amplifier system. In the case of a catastrophic system event, a shutdown circuit is incorporated that will disable all emissions should the uplink input or downlink input be overdriven or should an oscillation or output overpower event occur. -
Page 14: Eia232 Pin Specifications
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Figure 1-1: DB-9 Pin Descriptions Connecting a serial cable to the COM port and using a terminal emulation program with a PC will allow communication to the control processor’s Text Menu Interface (TMI). -
Page 15: Circuit Operational Description
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Circuit Operational Description The repeater uses a single down-conversion/up-conversion scheme. There are multiple RF amplifier stages prior to each down-converting mixer. The down-converting mixers are followed by a single IF amplifier. A digital signal processor block then processes the resultant digitized IF signal that was previously generated by an analog-to-digital converter. -
Page 16: Figure 1-3: Single Band Functional Block Diagram
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Figure 1-3: Single Band Functional Block Diagram WESTELL.COM © 2015 Westell Technologies 9 September 2015 Doc. No. 960-1666-MNL rF 1.877.844.4274 Page 16 of 73... -
Page 17: System Optimization Installation Tips
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series 2 System Optimization Installation Tips System Setup Considerations All cables should be checked for shorts and opens. Verify that there are no cables with loose or poor connections. RF leakage could cause oscillation to occur under some conditions. -
Page 18: Installation Tips
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Close proximity to the donor or server antennas with the repeater in operation may expose the user or installer to RF fields that exceed FCC limits for human exposure. -
Page 19: Optional Accessories
DSP85 Original Series plus Modular 250 and 251 Series Optional Accessories A complete line of accessories is available from Westell. Check with your Westell distributor for any additional items needed. Below are just a few examples suitable for most in-building needs: 2.5.1... -
Page 20: Cross Band Couplers
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series 2.5.9 Cross Band Couplers Quad-band Rack Mount - model number CSI-CM250-7/C/AW/P (700 LTE, Cellular, PCS and AWS) Quad-band Wall Mount - model number CSI-CBC/QUAD/N (700 LTE, Cellular, PCS and ASW) ... -
Page 21: Web-Based Gui
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series 3 Web-based GUI Web-based GUI Session Primary access to the repeater is gained using a LAN connection and a Web browser program such as Firefox by Mozilla, or Internet Explorer from Microsoft as shown in Figure 3-1. The repeater ships with the default IP address of 192.168.1.100, but can be changed later if required. -
Page 22: System Status
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series System Status When login is complete, the System Status page is displayed, as shown in Figure 3-2. The Navigation Box on the left hand side of the menu as shown in Figure 3-3 shows available operations. Selecting the operation will bring you to... -
Page 23: Figure 3-3: System Operations
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Figure 3-3: System Operations WESTELL.COM © 2015 Westell Technologies 9 September 2015 Doc. No. 960-1666-MNL rF 1.877.844.4274 Page 23 of 73... -
Page 24: Local Network
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Local Network If the user selects Local Network from the System Status page, the Local Network screen as shown in Figure 3-4 is displayed. From here network configuration can be modified as required. The default is set to Static. Check with your IT department for explanation and approval of the DHCP and DHCP server options you plan to use before you select them. -
Page 25: Rf Configuration
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series RF Configuration If the user would like to modify the RF configuration, click on the words RF Configuration in the navigation box and the RF Configuration screen is displayed as shown in Figure 3-5. -
Page 26: Program A Filter
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Program a Filter When a new filter set is required, it may be selected by clicking Program a Filter in the navigation box. The user may select the desired filter in the band/sub-band and modulation options as shown in Figure 3-6. Undesired bands/sub- bands, if lit, will require the user to manually deselect them before programming. -
Page 27: Remote Network
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Remote Network If the repeater includes a Legacy USB modem kit, click on Remote Network in the navigation box and Figure 3-7 will be displayed. Highlight the carrier on whose network the repeater and modem will be configured and click the Change Settings button. -
Page 28: Snmp Configuration
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series SNMP Configuration To change SNMP settings, click SNMP Configuration in the navigation box, the screen will be displayed as shown in Figure 3-8. If the user is not well versed in SNMP, they should check with their IT professional for proper setting requirements. -
Page 29: System Health
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series System Health By clicking System Health the current state of the repeater can be reviewed as shown in Figure 3-10. The user may clear LED indicators, alarms and the event log by clicking the Clear Log button. If required in your market, visit the System Health screen and click on Trigger Test Alarm and wait for confirmation that the WSP representative that is responsible for monitoring the repeater has been notified of the alarm. -
Page 30: Install And Upload
Should a software install or upgrade be required it can be done from the Install & Upload screen shown in Figure 3-11. As with the other screens it can be reached by clicking the words in the navigation box. Contact Westell Technologies for updates and instructions. -
Page 31: Reboot
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series 3.11 Reboot If a reboot of the repeater becomes necessary click on the Reboot option in the navigation box and the Reboot page is displayed as shown in Figure 3-12. A reboot will take three to five minutes to complete. -
Page 32: Alarm Configuration
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series 3.12 Alarm Configuration The Alarm Configuration page allows the user to specify what events will trigger an alarm as shown in Figure 3-13. Letters, numbers and hyphens are the only acceptable nomenclature for the location field. Hyphens may not be used as the first or last character. -
Page 33: Email Configuration
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series 3.13 Email Configuration The Email Configuration page as shown in Figure 3-14 allows the user to enter up to five e-mail addresses to which the repeater can send specified alarm messages when the repeater is connected via Ethernet or wireless modem and e-mail alarm notification or remote networking are enabled. -
Page 34: Log Configuration
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series 3.14 Log Configuration The Log Configuration page provides the user with the means to change three aspects of how log files are created and stored as shown in Figure 3-15. -
Page 35: Account Credentials
The user must be careful when setting the new password. If they forget what the password is set at they will need to contact Westell Technologies technical support line at 1.877.844.4274, Option 2 then Option 1 for assistance. -
Page 36: Console Interface
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series 4 Console Interface Text Menu Interface (Local Access) Local access to the repeater TMI, also known as the console interface, is made by connecting a null modem serial cable (optional), as shown in Figure 4-1, from the serial connector of the laptop to the serial port on the repeater. -
Page 37: Figure 4-4: Serial Radio Button
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Select the Serial radio button and press OK as shown in Figure 4-4. Figure 4-4: Serial Radio Button It may be necessary, in the system properties section of the control panel using device manager to determine what COM port your computer uses for the communications port. -
Page 38: Figure 4-7: Tmi Main Menu
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series After completing the serial port changes (pressing the Enter key will be required to complete the action) the user will be prompted for a user name and password. In dual- band units each band is changed independently and requires an independent login. -
Page 39: Figure 4-8: Adjust Gain
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Each Set Parameter selection, when chosen will be expanded to allow changing or setting of that parameter. For example, from the Link Configuration menu on the previous page, selecting 1 - Adjust Gain will display the menu shown in Figure 4-8. -
Page 40: Telnet Session (Remote Access)
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Figure 4-10: Selecting Filter Programs Graceful session termination is important. Use Disconnect under the File dropdown menu to terminate a session, otherwise the port may become disabled and force the system to be rebooted. -
Page 41: Modem Interface (Remote Access With Login)
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series When the Tera Term program is started, the following screen is displayed. Change the default host IP address to the IP address of the repeater to be controlled. In the case of a new install, the default address is 192.168.1.100 and has been assigned at the factory. -
Page 42: Additional Tips
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Additional Tips To change the TCP/IP settings on your Windows computer follow the steps below. 1. Open your computer’s Control Panel as shown in Figure 4-14. Figure 4-14: Control Panel 2. -
Page 43: Figure 4-16: Change Adapter Settings
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Figure 4-16: Change Adapter Settings 4. Right click on Local Area Connections and select Properties as shown in Figure 4-17. Figure 4-17: Local Area Network 5. Double click Internet Protocol Version 4 (TCP/IPv4), or highlight Internet Protocol Version 4 (TCP/IPv4) and select Properties as shown in Figure 4-18. -
Page 44: Figure 4-18: Internet Protocol Version 4 (Tcp/Ipv4)
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Figure 4-18: Internet Protocol Version 4 (TCP/IPv4) 6. Select the radial button next to Use the following IP address, which will allow you to populate the IP address and Subnet mask fields. -
Page 45: Westell.com
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series A crossover Ethernet cable (supplied) must be used for Web interface access. As a reminder, you must verify the Ethernet port on your laptop is powered. If your laptop is on battery power, the Ethernet port may be inactive by default. -
Page 46: Appendix A Attenuation And Dynamic Range Guidelines
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Appendix A Attenuation and Dynamic Range Guidelines A.1 Donor Port If a repeater is installed in an area with very strong desired and/or undesired signals, it is important to ensure that the overall signal levels are optimized to be within the best operating range of the repeater. -
Page 47: Dynamic Range Thresholds
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series A.3 Dynamic Range Thresholds Input Signal Max Gain Input Signal Max Gain <-45 dBm 85 dB -32.2 dBm 69 dB -44.3 dBm 84 dB -31.4 dBm 68 dB -43.6 dBm... -
Page 48: Appendix B Band Plans And Filter File Naming Conventions
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Appendix B Band Plans and Filter File Naming Conventions B.1 Frequency Band Plans 700 MHz Lower A, B and C Band Plan WESTELL.COM © 2015 Westell Technologies 9 September 2015 Doc. No. 960-1666-MNL rF 1.877.844.4274... -
Page 49: 700 Mhz Upper C Band Plan
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series 700 MHz Upper C Band Plan Up Link 781.5 (MHz) Dow n Link 751.5 (MHz) UL776-787 DL746-757 UL776.5-786.5 DL746.5-756.5 B.1.3 Cellular Frequency Band Plan Uplink 846.5 (MHz) Dow nlink 891.5... -
Page 50: Aws Frequency Band Plan
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series B.1.4 AWS Frequency Band Plan Mobile 1720 1710 1735 1740 1730 1745 (MHz) 1755 2155 Base 2120 2135 2140 2130 2145 2110 (MHz) UL1710-1720 UL1745-1755 UL1720-1730 DL2110-2120 DL2145-2155... -
Page 51: Us Pcs Frequency Band Plan
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series B.1.6 US PCS Frequency Band Plan Uplink 1850 1865 1870 1885 1890 1895 1910 1915 (MHz) Downlink 1930 1995 (MHz) 1945 1950 1965 1970 1975 1990 UL 1850-1865... -
Page 52: Filter File Naming Conventions
B.2.1 700 MHz Filter Naming Convention Westell Technologies digital repeaters use an alpha numeric file naming convention for its filter files. The descriptions below will allow the user to understand the methodology to determine the desired file for their application. -
Page 53: Cellular Filter File Naming Convention
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series B.2.2 Cellular Filter File Naming Convention Column: Definition: Band Block 1 Sub-block Block 2 Sub-block Block 3 Sub-block Block 4 Sub-block Separator Variant type c=Cell g=GSM A - B... -
Page 54: Us Pcs Filter File Naming Convention
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series B0 1870-1885 1950-1965 E0 1885-1890 1965-1970 F0 1890-1895 1970-1975 C0 1895-1910 1975-1990 Canadian PCS sub-blocks Uplink Downlink A1 1850-1855 1930-1935 A2 1855-1860 1935-1940 A3 1860-1865 1940-1945 B1 1870-1875... -
Page 55: Westell.com
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series US PCS sub-blocks Uplink Downlink A2 1850-1857.5 1930-1937.5 A1 1857.5-1865 1937.5-1945 A3 1850-1855 1930-1935 A4 1855-1860 1935-1940 A5 1860-1865 1940-1945 D2 1865-1867.5 1945-1947.5 D1 1867.5-1870 1947.5-1950 B2 1870-1877.5 1950-1957.5... -
Page 56: Aws Filter Naming Convention
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series AWS Filter Naming Convention Column: Definition: Band Mod type Block 1 Sub-block Block 2 Sub-block Block 3 Sub- block Block 4 Sub-block Separator Variant a=AWS g=gsm A - F... -
Page 57: Appendix Clte Attenuator And Installation Notes
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Appendix C LTE Attenuator and Installation Notes C.1 Important LTE Attenuator and Installation Notes - Donor and Server Isolation Inadequate isolation between the outside and inside antennas may cause regenerative feedback in the system. Careful consideration of the layout and placement of the system is imperative. -
Page 58: Appendix D Mechanical And Electrical Specifications
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Appendix D Mechanical and Electrical Specifications D.1 Digital Repeater Mechanical and Electrical Specifications, Original Series Mechanical Specifications Parameters Specifications Notes Repeater size 4.69 in Height Width Depth 18.62 in 19.25 in... -
Page 59: Operating Power Parameters
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Operating Power Parameters Parameters Specifications Notes Maximum RF input power 10 dBm without damage Linear gain 85 dB Factory calibrated gain Pass band ripple ±1.5 dB Automatic gain control (AGC) 30 dB max range In 0.5 dB steps... -
Page 60: Digital Repeater Mechanical And Electrical Specifications, Modular Series
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series D.2 Digital Repeater Mechanical and Electrical Specifications, Modular Series Mechanical Specifications Parameters Specifications Notes Repeater size 3.43 in Height Width Depth 19.00 in 18.00 in Weight 19.6 lbs (8.9 kg) -
Page 61: Operating Power Parameters
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Operating Power Parameters Parameters Specifications Notes Maximum RF input power 10 dBm without damage Linear gain 85 dB Factory calibrated gain Pass band ripple ±1.5 dB Automatic gain control (AGC) 30 dB max range In 0.5 dB steps... -
Page 62: Appendix E Port Configurations
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Appendix E Port Configurations E.1 Digital Repeater Port Configurations, Original Series Dual-band D2:D1 Port Configuration Input: Two single-band duplex ports, one from the low-band donor antenna and one from the high-band donor antenna. -
Page 63: Dual-Band D2:D2 Port Configuration
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Dual-band D2:D2 Port Configuration Input: Two single-band duplex ports, one from the low-band donor antenna and one from the high-band donor antenna. Output: Two single-band duplex ports, one to the low-band server antennas and one to the high-band server antennas. -
Page 64: Single-Band D1:D1 Port Configuration
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Single-band D1:D1 Port Configuration Input: One single-band duplex port from donor antenna. Output: One single-band duplex port to server antennas. Dual-band D2:S4 Port Configuration Input: Two single-band duplex ports from the donor antenna, one from the high-band, one from the low-band. -
Page 65: Single-Band D1:S2 Port Configuration
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Single-band D1:S2 Port Configuration Input: One single-band duplex port from donor antenna. Output: Two single-band simplex ports, one for uplink and one for downlink. E.2 Digital Repeater Port Configurations, Modular Series... -
Page 66: Dual-Band D1:D2 Port Configuration
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Dual-band D1:D2 Port Configuration Input: One dual-band duplex port from dual-band donor antenna. Output: Two single-band duplex ports, one to the low-band server antennas and one to the high-band server antennas. -
Page 67: Mimo Port Configuration
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series MIMO Port Configuration Input: Two single-band duplex ports, one from the first band donor antenna and one from the second band donor antenna. Output: Two single-band simplex ports, one for uplink and one for downlink. -
Page 68: Dual-Band D1:S4 Port Configuration
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Dual-band D1:S4 Port Configuration Input: One dual-band duplex port from dual-band donor antenna. Output: Four single-band simplex ports, two uplink, two downlink, one uplink and one downlink for each band. -
Page 69: Appendix F Mechanical Configurations
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Appendix F Mechanical Configurations Digital Repeater Mechanical Drawings The repeater will have an FCC label as described in the FCC Label: Industrial or FCC Label: Public depending on application. -
Page 70: Dsp85-250 And Dsp85-251 Series Mounting
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series DSP85-250 and DSP85-251 Series Mounting The following diagrams illustrates the methods for mounting the repeater(s) in a typical wall or rack installation. Brackets are provided for both options. -
Page 71: Westell.com
DSP85 Original Series plus Modular 250 and 251 Series NOTE: the Westell digital repeaters must be supported in the rack system with a shelf or slide rail. Do not rely on the brackets exclusively to support all the weight of the modules. -
Page 72: Appendix G Glossary
Digital Repeater Line DSP85 Original Series plus Modular 250 and 251 Series Appendix G Glossary Table G-1 is a list of acronyms and abbreviations used in this manual. Table G-1: Acronyms and Abbreviations Acronym/Abbreviation Meaning Automatic Gain Control Automatic Power Control... - Page 73 ESTELL.COM ©Westell Technologies. 960-1666-MNL rF...
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