PAL-258A006H.110 MC3 Interconnect & Conference Board

Infinity Series H.110 MC3 Multi-chassis Interconnect & Conference Board TECHNICAL MANUAL Documentation Revision 0.3: February 14, 2000 Copyright © 2000 by American Tel-A-Systems, Inc. All rights reserved. 258M000 This page left intentionally blank • i • The H.110 MC3/Conference Board Contents 1.0INTRODUCTION.............................................1-1 1.1Features and Capabilities..............................1-2 1.1.1The H.110 Bus ...............................1-2 1.1.2The MC3 Bus Interface.........................1-3 1.1.3Conferencing.................................1-4 1.1.4DSP Functions ...............................1-4 1.1.5Analog Audio Port.............................1-4 1.1.6Clock Modes.................................1-5 1.1.7Hot Swap Capability...........................1-5 1.1.8Message Passing..............................1-5 1.1.9Flash EAROM for Firmware.....................1-6 1.2How to Use This Manual..............................1-6 2.0QUICK START..............................................2-1 3.0INSTALLATION.............................................3-1 3.1PCI Configuration...................................3-1 3.2Jumpers & Headers..................................3-2 3.3Connectors: P5, P6 and J1............................3-3 3.4Installation.........................................3-3 3.5Hot Swapping a Board................................3-4 4.0INITIALIZATION............................................4-1 4.1PCI Initialization....................................4-1 4.2Initialization Commands..............................4-2 5.0COMMUNICATING WITH THE HOST...............................5-1 5.1Command and Response Protocol.......................5-2 5.1.1Sending Commands to the Board.................5-2 5.1.2Reading Messages From the Board................5-2 5.1.3Reading Board Information......................5-3 • ii • The H.110 MC3/Conference Board 5.0COMMUNICATING WITH THE PC (CONTINUED): 5.2Interrupts..........................................5-3 5.2.1Interrupt Initialization..........................5-4 5.2.2Step-by-Step Summary.........................5-4 5.3Commands and Responses.............................5-5 5.3.1Characteristics of Command Strings...............5-5 5.3.2Command Parameters..........................5-5 5.3.3Commands to the H.110 MC3/Conference Board.....5-6 < Conference Commands .......................5-6 < MC3 Bus Commands.........................5-7 < Analog Port Control..........................5-7 < MVIP Compatibility Commands................5-8 < Interrupt Control Commands...................5-8 < Reset Commands............................5-8 < Setup Commands............................5-8 < Version Requests............................5-9 < Download Commands.........................5-9 < Diagnostics.................................5-9 5.4.4Responses from the H.110 MC3/Conference Board..5-10 < Acknowledgments...........................5-10 < Error Messages.............................5-10 < Query Responses............................5-10 < DTMF Detection Messages...................5-11 < Diagnostic Responses........................5-11 6.0THE H.110 BUS, CLOCK MODES & MC3 BUS.....................6-1 6.1The H.110 Bus......................................6-1 6.2Clock Modes.......................................6-2 6.2.1Slave Mode..................................6-2 6.2.2Primary Master Mode..........................6-3 6.2.3Secondary Master Mode........................6-4 6.2.4Clock Fallback................................6-5 6.2.5Clock Errors..................................6-5 6.3The MC3 Bus.......................................6-6 6.3.1MC3 Ring Errors..............................6-6 6.3.2Ring Status LEDs..............................6-7 6.4MC3 Ring Configurations.............................6-8 • iii • The H.110 MC3/Conference Board 6.0THE H.110 BUS, CLOCK MODES & MC3 BUS (CONTINUED): 6.5Configuration Information.............................6-9 6.6Hot Swap..........................................6-9 7.0USING THE MC3 BUS........................................7-1 7.1Initialization........................................7-1 7.2MC3 Switching Commands ...........................7-3 7.3Ring Errors.........................................7-4 7.4Ring Redundancy & Fallback..........................7-5 7.5Loopback Modes ....................................7-6 8.0CT BUS BUS SWITCHING .....................................8-1 8.1The H.110 Switching Hardware.........................8-1 8.2MVIP-95 Compatibility Commands.....................8-1 8.3The Analog Port.....................................8-3 9.0CONFERENCING............................................9-1 9.1The Conferencing Hardware...........................9-1 9.1.1Conference Handles............................9-2 9.1.2Command Set.................................9-2 9.1.3Attenuation & Noise Threshold...................9-2 9.1.4DSP Facilities.................................9-3 9.2Controlling Conferences..............................9-4 9.3Changing the Attenuation and Noise Threshold............9-5 9.4DTMF Detection....................................9-6 9.5Energy Detection....................................9-7 9.62 kHz. Tone Generation and Detection...................9-7 9.7Conferencing Examples...............................9-8 10.0DIAGNOSTICS & ERROR MESSAGES............................10-1 10.1Diagnostic Commands...............................10-1 10.2Error Messages.....................................10-3 10.3QM Queries.......................................10-4 • iv • The H.110 MC3/Conference Board APPENDIXES: A.Environmental Specifications.........................A-1 B.Notes on H.110 MC3 Redundancy......................B-1 Infinity Series H.110 MC3 Multi-Chassis Interconnect & Conference Board Technical Manual Copyright © American Tel-A-Systems, Inc., February 2000 Printed in U.S.A. All rights reserved. This document and the information herein is proprietary to American Tel-A-Syst…

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Infinity Series H.110 MC3 Multi-chassis Interconnect & Conference Board INSTALLATION MANUAL Documentation Revision 0.3: February 14, 2000 Copyright © 2000 by American Tel-A-Systems, Inc. All rights reserved. 258M000 Quick Start • 2-1 • The H.110 MC3/Conference Board 2.0 Quick Start This section describes the first steps you should perform to determine if your Infinity Series H.110 MC3 Multi-Chassis Interconnect & Conference Board is communicating correctly with your Compac tPCI system. You can perform this quick check without connecting any cables. The exact procedure will vary depending on which operating system you are running. For each operating systems, drivers are required to interface to the boards. The drivers supplied by Amtelco have tests built into them to verify communications with the boards. These drivers also come supplied with utility programs that allow the developer to test communications with the board. Please consult the appropriate documentation for the driver and operating system you are using. Quick Start Procedure 1. With the chassis power off, insert the board into a slot. 2. Turn on the computer. 3. If the Amtelco driver is not already installed, install it now, following the instructions supplied with the driver. 4. Most Amtelco drivers will display a list of boards that are installed (see the documentation for the particular driver that you are using). If the H.110 MC3/Conference board is listed, skip to step 6. 5. If the board is not listed, there may be a problem with the board not being seated correctly in the backplane. There may also be a problem with a memory or interrupt conflict. Power down the chassis and check that the board is properly seated Quick Start • 2-2 • The H.110 MC3/Conference Board in the connector and repeat steps 1-4. If this does not remedy the problem, try removing any other computer telephony boards in the system. If your PC is unable to find the board, consult the number at the end of this section. 6. Run the program “xdsutil” supplied with the driver. Send the message “IN” to the H.110 MC3/Conference board. The board should respond with the message “IA”. 7. Send the message “VC” to the board. Verify that the Receive Message reads: VCxxxxvvvvH03 (where xxxxvvvv is a variable indicating the firmware vers ion). 8. If the Communications screen shows the correct command responses, your H.110 MC3/Conference Board is communicating with the PC. You may now power down the computer and attach the necessary cables (see section 3.4) For technical assistance, call Amtelco at 1-608-838-4194 ext.168. Installation • 3-1 • The H.110 MC3/Conference Board 3.0 Installation This section describes how to install your Infinity Series H.110 MC3 Multi- Chassis Interconnect and Conference Board into your computer and how to set the switches, jumpers, and connectors. Before you begin the installation procedure, be sure to test the board as described in section 2.0 (Quick Start). Figure 2: Location of Jumpers Headers, and Connectors 3.1 PCI Configuration As Infinity Series boards conform to the PCI standards, there are no switches to set to configure the H.110 MC3/Conference Board's memory address, I/O addresses, or interrupt. The host processor’s bios will automatically configure the board at boot time to avoid conflicts with other boards in the system. Installation • 3-2 • The H.110 MC3/Conference Board 3.2 Jumpers & Headers The following is a complete list of all jumpers for the H.110 MC3/Conference Board: JW1-1 Firmware Select. If firmware has been downloaded to the board, this jumper selects whether the downloaded firmware or the factory default firmware is used. When this jumper is installed, the factory default firmware is executed whenever the board is reset. When the jumper is not installed, the Downloaded firmware will be executed after a reset if it is present. If no downloaded firmware is present, the factory default firmware is executed after reset. JW1-2 DSP Firmware Select. Two separate firmware programs are included in the EAROM, one for the board processor and one for the DSP. If JW1-2 is installed and downloaded DSP firmware is present, the factory DSP firmware is executed after reset. Otherwise, the downloaded firmware is executed if present. See JW1-1 JW1-3 Undefined, reserved for future use. JW1-4 Undefined, reserved for future use.. JW3 This jumper is used for factory testing and should not have jumpers installed. P3 Diagnostic port. Never install jumpers here. P4 This header is used for programming internal logic and should never be jumpered. Installation • 3-3 • The H.110 MC3/Conference Board 3.3 Connectors: P5, P6 and J1 P5 Ring 0 RCV, Ring 1 XMT. This is one of the two fiber optic transceivers for the MC3 bus. In a normal counter rotating ring connection, the fibers from this transceiver are connected to P6 in the next chassis in the ring. This connector is keyed to insure proper insertion. P6 Ring 1 RCV, Ring 0 XMT. This is one of the two fiber optic transceivers for the MC3 bus. In a normal counter rotating ring connection, the fibers from this transceiver are connected to P5 in the previous chassis in the ring. This connector is keyed to insure proper insertion. J1 Analog port. This port can be used to connect a music source or other device analog port for music on hold. The connector is a standard 1/8” headphone jack. The music source should be at standard line levels. J1A Analog input. This header is connected in parallel with J1. It will connect with the audio output of a PC CD-ROM drive. 3.4 Installation To install the H.110 MC3/Conference Board in your system: 1. Follow the quick check procedures described in section 2.0 to verify the operation of the board. 2. If the quick check is successful, turn off the chassis power and remove the board from the chassis. 3. Install any necessary board jumpers. See section 3.2 for jumper configurations. Installation • 3-4 • The H.110 MC3/Conference Board 4. Insert the board into the chassi…

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American Tel-A-Systems, Inc. Model: H.110 MC3 Multi-Chassis Interconnect and Conference Board Block Diagram Audio Input Conference Resources Fiber-Optic Interface Processor Control CPCI Interface H.110 Telephony Interface

1100 Falcon Ave.Tele:320-864-4444 Glencoe, MN 55336Fax: 320-864-6611 “Your Agent to Product Certifications and Licenses Throughout the World” To:FCCOctober 19, 2000 From: Duane R. Bagdons Subject: Conf: EA99051, FCC ID: PAL258A006 Please delete the existing “Users Manual” file and “Operations Manual” file submitted on 10/17/00 and replace it with the two new ones that I am sending now. Thank you Duane R. Bagdons INTERNATIONAL CERTIFICATION SERVICES INC.

American Tel-A-Systems, Inc. Model: H.110 MC3 Multi-Chassis Interconnect and Conference Board External Photo

American Tel-A-Systems, Inc. Model: H.110 MC3 Multi-Chassis Interconnect and Conference Board Internal Picture

Infinity Series H.110 MC3 Multi-chassis Interconnect & Conference Board TECHNICAL MANUAL Documentation Revision 0.3: February 14, 2000 Copyright © 2000 by American Tel-A-Systems, Inc. All rights reserved. 258M000 This page left intentionally blank • i • The H.110 MC3/Conference Board Contents 1.0INTRODUCTION.............................................1-1 1.1Features and Capabilities..............................1-2 1.1.1The H.110 Bus ...............................1-2 1.1.2The MC3 Bus Interface.........................1-3 1.1.3Conferencing.................................1-4 1.1.4DSP Functions ...............................1-4 1.1.5Analog Audio Port.............................1-4 1.1.6Clock Modes.................................1-5 1.1.7Hot Swap Capability...........................1-5 1.1.8Message Passing..............................1-5 1.1.9Flash EAROM for Firmware.....................1-6 1.2How to Use This Manual..............................1-6 2.0QUICK START..............................................2-1 3.0INSTALLATION.............................................3-1 3.1PCI Configuration...................................3-1 3.2Jumpers & Headers..................................3-2 3.3Connectors: P5, P6 and J1............................3-3 3.4Installation.........................................3-3 3.5Hot Swapping a Board................................3-4 4.0INITIALIZATION............................................4-1 4.1PCI Initialization....................................4-1 4.2Initialization Commands..............................4-2 5.0COMMUNICATING WITH THE HOST...............................5-1 5.1Command and Response Protocol.......................5-2 5.1.1Sending Commands to the Board.................5-2 5.1.2Reading Messages From the Board................5-2 5.1.3Reading Board Information......................5-3 • ii • The H.110 MC3/Conference Board 5.0COMMUNICATING WITH THE PC (CONTINUED): 5.2Interrupts..........................................5-3 5.2.1Interrupt Initialization..........................5-4 5.2.2Step-by-Step Summary.........................5-4 5.3Commands and Responses.............................5-5 5.3.1Characteristics of Command Strings...............5-5 5.3.2Command Parameters..........................5-5 5.3.3Commands to the H.110 MC3/Conference Board.....5-6 < Conference Commands .......................5-6 < MC3 Bus Commands.........................5-7 < Analog Port Control..........................5-7 < MVIP Compatibility Commands................5-8 < Interrupt Control Commands...................5-8 < Reset Commands............................5-8 < Setup Commands............................5-8 < Version Requests............................5-9 < Download Commands.........................5-9 < Diagnostics.................................5-9 5.4.4Responses from the H.110 MC3/Conference Board..5-10 < Acknowledgments...........................5-10 < Error Messages.............................5-10 < Query Responses............................5-10 < DTMF Detection Messages...................5-11 < Diagnostic Responses........................5-11 6.0THE H.110 BUS, CLOCK MODES & MC3 BUS.....................6-1 6.1The H.110 Bus......................................6-1 6.2Clock Modes.......................................6-2 6.2.1Slave Mode..................................6-2 6.2.2Primary Master Mode..........................6-3 6.2.3Secondary Master Mode........................6-4 6.2.4Clock Fallback................................6-5 6.2.5Clock Errors..................................6-5 6.3The MC3 Bus.......................................6-6 6.3.1MC3 Ring Errors..............................6-6 6.3.2Ring Status LEDs..............................6-7 6.4MC3 Ring Configurations.............................6-8 • iii • The H.110 MC3/Conference Board 6.0THE H.110 BUS, CLOCK MODES & MC3 BUS (CONTINUED): 6.5Configuration Information.............................6-9 6.6Hot Swap..........................................6-9 7.0USING THE MC3 BUS........................................7-1 7.1Initialization........................................7-1 7.2MC3 Switching Commands ...........................7-3 7.3Ring Errors.........................................7-4 7.4Ring Redundancy & Fallback..........................7-5 7.5Loopback Modes ....................................7-6 8.0CT BUS BUS SWITCHING .....................................8-1 8.1The H.110 Switching Hardware.........................8-1 8.2MVIP-95 Compatibility Commands.....................8-1 8.3The Analog Port.....................................8-3 9.0CONFERENCING............................................9-1 9.1The Conferencing Hardware...........................9-1 9.1.1Conference Handles............................9-2 9.1.2Command Set.................................9-2 9.1.3Attenuation & Noise Threshold...................9-2 9.1.4DSP Facilities.................................9-3 9.2Controlling Conferences..............................9-4 9.3Changing the Attenuation and Noise Threshold............9-5 9.4DTMF Detection....................................9-6 9.5Energy Detection....................................9-7 9.62 kHz. Tone Generation and Detection...................9-7 9.7Conferencing Examples...............................9-8 10.0DIAGNOSTICS & ERROR MESSAGES............................10-1 10.1Diagnostic Commands...............................10-1 10.2Error Messages.....................................10-3 10.3QM Queries.......................................10-4 • iv • The H.110 MC3/Conference Board APPENDIXES: A.Environmental Specifications.........................A-1 B.Notes on H.110 MC3 Redundancy......................B-1 Infinity Series H.110 MC3 Multi-Chassis Interconnect & Conference Board Technical Manual Copyright © American Tel-A-Systems, Inc., February 2000 Printed in U.S.A. All rights reserved. This document and the information herein is proprietary to American Tel-A-Syst…

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Infinity Series H.110 MC3 Multi-chassis Interconnect & Conference Board OPERATIONAL DESCRIPTION Documentation Revision 0.3: February 14, 2000 Copyright © 2000 by American Tel-A-Systems, Inc. All rights reserved. 258M000 Introd uction • 1-1 • The H.110 MC3/Conference Board 1.0 Introduction The Infinity Series H.110 MC3 Multi-chassis Interconnect & Conference Board is designed to provide a high capacity interconnect path between multiple computers using the H.110 bus to connect computer telephony boards within a Compac tPCI chassis. This path is provided by fiber-optic links conforming to the MC3 standard and operating at the OC3 bit rate of 155 Mbps. Provisions are included for supporting dual counter rotating rings for redundancy or higher capacity. In addition to the multi-chassis function, the board is equipped with enhanced conferencing facilities for up to 42 conferences with a total of 128 participants. Enhanced features include individual DTMF detection for each conference participant, a “clamping” function to prevent conferees from hearing DTMF tones generated by other conferees, and energy detection capabilities for conference inputs. A bidirectional analog port is also provided for such functions as music on hold and monitoring. The H.110 bus was devised by the Enterprise Computer Telephony Forum (ECTF) to provide a single telecom bus for the entire industry. It is intended for add-in boards using the Compac tPCI form factor. A variety of boards are available from a number of different vendors. The Compac tPCI and H.110 specifications also provide for hot swap capabilities for use in high availability applications. The MC3 bus is a chassis interconnect standard promulgated by the GO-MVIP standards body. The board is equipped with a processor that can be used to control the lower level functions of the board. The host PC controls the board using messages passed through dual-ported RAM. The board shares a common message passing and control scheme with other Infinity Series boards. Introd uction • 1-2 • The H.110 MC3/Conference Board Figure 1: H.110 MC3/Conference Board Functional Areas 1.1 Features and Capabilities This section presents an overview of the features and capabilities of the Infinity Series H.110 MC3 Multi-chassis Interconnect and Conferencing Board. 1.1.1 H.110 Bus The H.110 bus is a digital bus for transporting PCM (Pulse Code Modulation) signals between telephony boards. It was created by the ECTF to provide a common bus structure for future development that would end the “bus wars” between the various legacy busses such as the SCbus and the MVIP bus. PCM is a standard method of digitizing phone signals. It involves encoding each channel at an 8 kHz rate using eight bits. The signals from multiple channels are then combined into a frame. On the H.110 bus, each frame consists of 128 channels or timeslots. The bit rate of the H.110 bus is 8.192 MHZ. Thirty-two wires, also called streams, each carrying 128 Introd uction • 1-3 • The H.110 MC3/Conference Board timeslots, are combined to form the bus, and provide a total of 4096 timeslots. Two timeslots are required for a full conversation, one for each talker. In addition to the streams, a number of other signals necessary to maintain synchronization between all the boards in the system are carried on the bus. These signals provide the clocking and framing information. Redundant clocks are provided to aid in recovery if the primary clock should fail. The H.110 bus consists of backplane connections on a 6U Compac tPCI backplane that is used to interconnect the boards in the system. The CT Bus connections are made through the J4/P4 connector. The electrical and mechanical requirements of H.110 boards are tightly specified to insure the reliability and consistent performance of the CT Bus in any valid configuration of conforming boards. 1.1.2 The MC3 Bus Interface The MC3 bus was devised by GO-MVIP as a means of providing a large number of 64 kbps channels between PC chassis using the MVIP bus for intra-chassis connections. In the interest of minimizing cost and taking advantage of existing hardware, the physical interface uses the same architecture as that used by the SONET standard operating at the OC3 bit rate of 155 Mbps. Each link consists of a full duplex fiber-optic cable that can support 2430 channels. Seven of these channels are dedicated to framing purposes. The MC3 standard arranges two of these fiber links in dual counter rotating rings. The two rings can be used to provide redundancy against ring or chassis failure or they can be used to double the capacity. Each node of the MC3 structure provides bypass, drop and insert capabilities for each of the 64 kbps channels. The Infinity Series H.110 MC3/Conference Board provides up to 1024 connections in each direction between the MC3 and H.110 busses. Introd uction • 1-4 • The H.110 MC3/Conference Board 1.1.3 Conferencing In addition to support for the MC3 bus, the H.110 MC3/Conference Board also includes enhanced conferencing facilities. Up to 42 simultaneous conferences can be supported with a total of 128 participants. The transmit and receive attenuation of each conferee can be controlled independently improving audio quality and making larger conferences practical. As a separate resource connected directly to the H.110 bus the conference facilities can connect to sources both within and external to the PC. When enabled, the conference facilities reduce the MC3 connectivity by 128. 1.1.4 DSP Functions The H.110 MC3/Conference Board is equipped with four DSP’s associated with the conferencing facilities. A DTMF detector is available for each potential conferee. The DSPs also provide a “clamping” feature which when enabled will temporarily interrupt a connection when a DTMF digit is detected. This can be used to prevent other members of a conference from hearing a DTMF tone generated by a conferee. There is also an energy detection capability that can be used to d…

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TEST REPORT #061000 STANDARD: FCC PART 15 SUBPART B--UNINTENTIONAL RADIATORS SECTION 15.109 RADIATION EMISSION LIMITS EQUIPMENT TESTED: AMERICAN TEL-A-SYSTEMS, INC. dba AMTELCO MODEL: H.110 MC3 MULTI-CHASSIS INTERCONNECT AND CONFERENCE PC PERIPHERAL PLUG-IN TEST DATE: 06 OCTOBER 2000 INTERNATIONAL CERTIFICATION SERVICES, INC. 1100 Falcon Avenue Glencoe, MN 55336 Tele: 320-864-4444 Fax: 320-864-6611 Prepared for: Test agent: Test location: Prepared by: . American Tel-A-Systems, Inc. dba AMTELCO 4800 Curtin Drive McFarland, WI 53558 International Certification Services, Inc. 1100 Falcon Avenue Glencoe, MN 55336 Tele: 320-864-4444 Fax: 320-864-6611 International Certification Services, Inc. 1100 Falcon Avenue Glencoe, MN 55336 Tele: 320-864-4444 Fax: 320-864-6611 International Certification Services, Inc. 1100 Falcon Avenue Glencoe, MN 55336 International Certification Services represents to the client that testing is done in accordance with standard procedures applicable and that reported test results are accurate within generally accepted commercial ranges of accuracy. This report only applies to the specific samples tested under stated test conditions. It is the manufacturer’s responsibility to assure that additional production units of this model are manufactured with identical electrical and mechanical components. International Certification Services shall have no liability for any deductions, inferences or generalizations drawn by the client or others from this report. This report is the confidential property of the client. As a mutual protection to our clients, the public and ourselves, extracts from the test report shall not be reproduced except in full without our written approval. 1.0 TEST SUMMARY TEST REPORT: #061000 COMPANY: AGENT: International Certification Services, Inc. PHONE: 320-864-4444 TEST DATE: EQUIPMENT UNDER TEST: GENERAL TEST SUMMARY: VERIFICATION / CERTIFICATION STATUS: MODIFICATIONS NECESSARY: TESTED BYWRITTEN BY Steve WendlandtDuane R. Bagdons American Tel-A-Systems, Inc. 06 October, 2000 Multi-Chassis Interconnect and Conference PC Peripheral plug in board The testing was performed at International Certification Services, Inc. at 1100 Falcon Ave, Glencoe, MN 55336 The American Tel-A-Systems, Inc. Model: H.110 MC3 Multi-Chassis Interconnect and Conference board was found to be in compliance with the FCC Part 15 Subpart B, Section 15.109 requirements. None 2.0 Applicable Standards 47 CFR Ch.1 (10-1-98 Edition) FCC Part 15Radio Frequency Devices Subpart BUnintentional Radiators Section 15.109Radiated Emission Limits 2.1Referenced Standards ANSI C63.4-1992Methods of Measurement of Radio-Noise Emissions from Low- Voltage Electrical and Electronic Equipment in the Range of 9 Khz to 40 Ghz. 2.2 Equipment Units Tested The Infinity Series H.110 MC3 Multi-chassis Interconnect & Conference Board is designed to provide a high capacity interconnect path between multiple computers using the H.110 bus to connect computer telephony boards within a Compac tPCI chassis. This path is provided by fiber-optic links conforming to the MC3 standard and operating at the OC3 bit rate of 155 Mbps. Provisions are included for supporting dual counter rotating rings for redundancy or higher capacity. In addition to the multi-chassis function, the board is equipped with enhanced conferencing facilities for up to 42 conferences with a total of 128 participants. Enhanced features include individual DTMF detection for each conference participant, a “clamping” function to prevent conferees from hearing DTMF tones generated by other conferees, and energy detection capabilities for conference inputs. A bi- directional analog port is also provided for such functions as music on hold and monitoring. The H.110 bus was devised by the Enterprise Computer Telephony Forum (ECTF) to provide a single telecom bus for the entire industry. It is intended for add-in boards using the Compac tPCI form factor. A variety of boards are available from a number of different vendors. The Compac tPCI and H.110 specifications also provide for hot swap capabilities for use in high availability applications. The MC3 bus is a chassis interconnect standard promulgated by the GO-MVIP standards body. The board is equipped with a processor that can be used to control the lower level functions of the board. The host PC controls the board using messages passed through dual-ported RAM. The board shares a common message passing and control scheme with other Infinity Series boards. 2.3 Equipment and Cable Configuration See photos of the EUT pc board and schematic and test configuration setup in Attachment A 2.4 List of Test Equipment Measurement cable losses, and antenna correction factors are included in the data sheets. Quasi-Peak detection methods were used in the measurements. The Resolution BW was set at 100 Khz and the Video BW was set at 300 Khz. 2.5 Units of Measurement. All measurements were taken in dBuV/m with the antenna located at 3 meters distance from the EUT. Frequency measurements are recorded in Mhz 2.6 Location of Test Site The open ar…

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