MRV Communications MULTI VOICE 4 User Manual

T1/ e1 multiplexer

Advertisement

Quick Links

MULTI VOICE 4
T1/ E1 Multiplexer
User Manual
MRV Communications, Inc.
URL:
http://www.mrv.com

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the MULTI VOICE 4 and is the answer not in the manual?

Questions and answers

Summary of Contents for MRV Communications MULTI VOICE 4

  • Page 1 MULTI VOICE 4 T1/ E1 Multiplexer User Manual MRV Communications, Inc. URL: http://www.mrv.com...
  • Page 2: Standards Compliance

    MM 04 February 2003 ML46782, Rev. 02 Standards Compliance UL 1950; CSA 22.2 No 950; FCC Part 15 Class A; CE-89/336/EEC, 73/23/EEC Disclaimer MRV reserves the right to modify the equipment at any time and in any way it sees fit in order to improve it. MRV provides this document without any warranty of any kind, either expressed or implied, including, but not limited to, the implied warranties of merchantability or fitness for a particular purpose.
  • Page 3: Table Of Contents

    MM 04 February 2003 ML46782, Rev. 02 Contents About this Manual................6 Audience ......................6 Related Document..................6 Organization ....................6 Typographical Conventions ................7 Acronyms......................7 Safety Requirements ................ 8 Before Installing ..................... 8 Before Powering On..................8 During Operation.................... 9 Servicing ......................
  • Page 4 MM 04 February 2003 ML46782, Rev. 02 Installation ..................16 General......................16 Safety ......................16 Package Contents..................16 Essentials ....................16 Options .......................16 Requirements ....................16 Tools ......................16 Mounting .....................16 Environmental.....................16 Power ......................17 Networking....................17 Procedure ......................17 Configuration ....................17 Mounting .....................17 Cabling......................18 Startup and Operation ..............19 Startup ......................19 Operation .......................19 Appendix A: Troubleshooting ............20 Appendix B: Diagnostic Tests ............21...
  • Page 5 MM 04 February 2003 ML46782, Rev. 02 Figures Figure 1: Front View ..................12 Figure 2: Rear View................... 14 Figure 3: Modem ....................15 Figure 4: Short-Haul Photonic Air Link Extension..........15 Figure 5: Long-Haul Optical Wireless Link Extension........15 Figure 6: Attaching Brackets to the MM 04 for Rack Mounting......
  • Page 6: About This Manual

    MM 04. Appendix C: Cleaning Optical Connectors – describes a recommended procedure for cleaning optical connectors. Appendix D: Product Specification – gives the general specifications of the MM 04. From hereon, MM 04 is used to represent MULTI VOICE 4.
  • Page 7: Typographical Conventions

    MM 04 February 2003 ML46782, Rev. 02 Typographical Conventions The typographical conventions used in this document are as follows: Convention Explanation CourierBold This typeface represents information provided by/to the system. Italics This typeface is used for emphasis. This format represents the key name on the keyboard or Enter keypad.
  • Page 8: Safety Requirements

    MM 04 February 2003 ML46782, Rev. 02 Safety Requirements Caution! To reduce risk of electrical shock and fire and to maintain proper operation, ensure that the safety requirements stated hereunder are met! Before Installing Power Ensure that all power to the MM 04 is cut off. Specifically, disconnect all MM 04 power cords from the power line (mains).
  • Page 9: During Operation

    MM 04 February 2003 ML46782, Rev. 02 be a suitably rated earthing-type plug at one end and an IEC appliance inlet coupler at the other end. Both of the power cord terminations must carry the certification label of the cognizant safety organization of the country.
  • Page 10: Overview

    MM 04 February 2003 ML46782, Rev. 02 Overview Function The MM 04 is a standalone TDM used for multiplexing/demultiplexing up to 4 E1/T1 lines onto/from a single optical channel , which it creates. Advantages The MM 04’s capability to create a multiplexed optical channel for the transfer of data has the following major advantages: •...
  • Page 11: Application

    MM 04 February 2003 ML46782, Rev. 02 Application MM 04 is applied in campus, access, and wide-area networks for high-speed transfer of voice coming over E1 or T1 carrier lines on fiberoptic cabling. For various application configurations, refer to the chapter Applications. Configurations The MM 04 can be ordered in any of a variety of configurations, using Table 1.
  • Page 12: Installation

    MM 04 February 2003 ML46782, Rev. 02 Installation The MM 04 is installed simply by plugging it into existing infrastructures. Operation Operation is autonomous once MM 04 multiplexer is powered on. Layout Front View Figure 1: Front View Ports Fiberoptic Ports One or two fiberoptic ports.
  • Page 13: Table 3: Power Supply Leds

    MM 04 February 2003 ML46782, Rev. 02 LEDs Power LEDs There are four power supply LEDs, two for the local MM 04 and two for the remote MM 04. The LEDs, their statuses, and the significance of each status are described in Table 3.
  • Page 14: Rear View

    MM 04 February 2003 ML46782, Rev. 02 Table 5: Fiberoptic Port LEDs Status Significance LINK LOCAL Local MM 04 port receiving the carrier wavelength. Local MM 04 port not receiving the carrier wavelength. Remote MM 04 port receiving the carrier wavelength. LINK REMOTE Remote MM 04 port not receiving the carrier wavelength.
  • Page 15: Applications

    MM 04 February 2003 ML46782, Rev. 02 Applications General This chapter presents typical networking applications with the MM 04. The network in an example can be adopted as is or can be modified to meet a specific set of requirements. Figure 3: Modem Figure 4: Short-Haul Photonic Air Link Extension Figure 5: Long-Haul Optical Wireless Link Extension...
  • Page 16: Installation

    MM 04 February 2003 ML46782, Rev. 02 Installation General This chapter provides a detailed step-by-step procedure for installing the MM 04 multiplexer and its components (modules and chassis). Safety Before installing the MM 04, ensure that the safety requirements noted in the chapter Safety Requirements are met.
  • Page 17: Power

    MM 04 February 2003 ML46782, Rev. 02 Power The input to the power supply must have the ratings specified in the label on the MM 04. Note It is recommended to connect the MM 04 through a UPS to ensure continued operation even when the line (mains) power gets cut off.
  • Page 18: Cabling

    MM 04 February 2003 ML46782, Rev. 02 Cabling E1/T1 The E1/T1 cable must be wired so that the signals on the RJ48 conector pins are as shown in Figure 7. Connect the E1/T1 cables to the MM 04 as shown in Figure 8.
  • Page 19: Startup And Operation

    MM 04 February 2003 ML46782, Rev. 02 Startup and Operation Startup To start up the MM 04: 1. Connect one (both) power cord(s) to the MM 04. 2. Connect the end(s) of the power cord(s) to the power line (mains). This causes the MM 04 to undergo initialization.
  • Page 20: Appendix A: Troubleshooting

    MM 04 February 2003 ML46782, Rev. 02 Appendix A: Troubleshooting The troubleshooting procedure is given in Table 6. Read the entries in the column Problem until you reach the problem that applies to the MM 04. Then perform the corrective action(s) appearing in the same row. If the problem persists, note the status of the LEDs and consult your MRV representative.
  • Page 21: Appendix B: Diagnostic Tests

    MM 04 February 2003 ML46782, Rev. 02 Appendix B: Diagnostic Tests The following diagnostics tests can be run for the MM 04: • LLB Test • RLB Test LLB Test This test is run to check whether the electrical interface of the port of the local MM 04 faithfully transfers the data it receives.
  • Page 22: Appendix C: Cleaning Optical Connectors

    MM 04 February 2003 ML46782, Rev. 02 Appendix C: Cleaning Optical Connectors General Intrusions (e.g., dust, grease, etc.) at the interface of two optical fibers, such as at a pair of coupled connectors, attenuate the signal through the fiber. Consequently, optical connectors must be cleaned before they are coupled with other connectors.
  • Page 23: Appendix D: Product Specification

    MM 04 February 2003 ML46782, Rev. 02 Appendix D: Product Specification Application Function Protocol E1 or T1 Network Topology 1 to 4 E1/T1 electrical lines 1 fiberoptic muxed line. Operation Number of Channels E1 or T1 Multiplexed Data Rate Per Channel 2.048 Mbps ±...
  • Page 24 MM 04 February 2003 ML46782, Rev. 02 For short haul: 42 dB Cable Impedance: 120 Ω Wire gage: 22 AWG Length for short haul (max): 200 m Length for long haul (max): 2500 m Connector Type: RJ48 female 8-pin shielded connector Cable Type: Category 5, STP Cable Attenuation (max)
  • Page 25 MM 04 February 2003 ML46782, Rev. 02 Environmental Temperature 0 to 45 °C (32 to 113 °F) Operating: Storage: -10 to 70 °C (14 to 158 °F) Humidity (non-condensing) 10 to 90% Physical Dimensions (W x H x D) 217 x 1U x 312mm x 12 Weight (with full load)

This manual is also suitable for:

Mm 04

Table of Contents