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Euphonix MADI Converters Manual
MI715 Analog/AES to MADI, MO705 MADI to Analog/AES
Euphonix Inc.
220 Portage Ave.
Palo Alto, California 94306
Phone:
650‐855‐0400
Fax:
650‐855‐0410
e‐mail:
info@euphonix.com
Web:
http://www.euphonix.com
Document Revision: 1.1
Release Date: Jan, 2009
Part Number: 840‐10631‐01
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- Page 1 Euphonix MADI Converters Manual MI715 Analog/AES to MADI, MO705 MADI to Analog/AES Document Revision: 1.1 Release Date: Jan, 2009 Part Number: 840‐10631‐01 Euphonix Inc. 220 Portage Ave. Palo Alto, California 94306 Phone: 650‐855‐0400 Fax: 650‐855‐0410 e‐mail: info@euphonix.com Web: http://www.euphonix.com...
- Page 2 In the interest of continued product development, Euphonix Inc. reserves the right to make improvements in this manual and the products it describes at any time, without notice or obligation. System 5, S5, Max Air, PatchNet, eMix, EuCon, R‐1, Audio Deck, Studio Hub are trademarks of Euphonix, Inc. ©2002 Euphonix, Inc. All rights reserved worldwide. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form by any means without written permission from Euphonix, Inc.
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Page 3: Table Of Contents
Euphonix MADI Converters Operation Manual Table of Contents Chapter 1: Introduction ..................... 4 MI715/MO705.................. 4 Power On Sequence ................. 5 Safety and Precautions................ 5 1.3.1 220, 230, 240 VAC Operation............. 5 Chapter 2: MI715 and MO705 Converters .............. 7 Features....................7 Applications..................... 7 MI715/MO705 Front Panel ..............8 MI715 Rear Panel ..................9 MO705 Rear Panel ................. 11 Synchroniztion..................12 2.6.1 MI715 ..................12 2.6.2... -
Page 4: Chapter 1: Introduction
Euphonix MADI Converters Operation Manual Chapter 1: Introduction MI715/MO705 The MI715 and MO705 converters provide MADI conversion to interface to/from analog and AES equipment such as consoles, tape decks, microphone preamplifiers and other devices. Both converters are two rack spaces high and are housed in a stain‐ less steel chassis with machined, heavy aluminum front panels. The MI715 converts incoming analog signals to 24‐bit MADI digital signals that capture the input’s complete dynamic range. Each main AES/EBU input is automatically evaluat‐ ed for sample‐rate conversion. The incoming sample rate is compared with the internal rate. If they are the same, no conversion occurs. If the rates differ, sample‐rate con‐ version is activated and persists until a new input is applied or the internal sample rate changes. The sample‐rate conversion range is 32–56 kHz.In addition to the 8 XLR con‐ nectors for analog inputs and 8 XLR connectors/2 D‐Sub connectors for AES inputs. The MO705 converts incoming MADI signals to 8 analog channels and 8 AES stereo pairs. The 16 digital outputs (8 pair) can be bit-depth converted from 24 to 20 or 16 bits. -
Page 5: Power On Sequence
Euphonix MADI Converters Operation Manual Introduction Power On Sequence We recommend powering up the converters only after verifying the presence of a valid sync signal. After powering up the converters, the Sample Rate and Sample Rate Source LEDs blink as the converter senses the incoming Sample Rate source and Sam‐ ple Rate. We recommend monitoring the power‐up sequence to verify the converters have correctly auto‐sensed the desired Sample Rate Source and Sample Rate. Safety and Precautions The MI715 and MO705 comply with CE’s EN 60950 Electrical Safety Standards. 1.3.1 220, 230, 240 VAC Operation NOTE: Before connecting power to the converters, change the fuse and voltage selector to the appropriate 220/230/240 VAC settings. The converters preserve their signal quality using linear power supplies that must be manually switched between 115 and 230 VAC. The units are shipped set for 115 VAC. Move the red, two‐position switch near the power entry module of the converters to the 230 VAC position (down) for 220/230/240 VAC operation. Each unit uses a 0.630 A fuse for 115 VAC operation. To operate at 220, 230, or 240 VAC, install the spare 0.315 A fuse provided in the power entry module fuse‐holder. To access both the active and the spare fuse: 1. Turn the unit’s power off. 2. Remove the IEC power cable from the power entry module. 3. Use a small screwdriver to open the fuse tray below the electrical inlet. The active fuse is to the rear of the tray. The spare fuse is in the tray slot clos‐ est to the front. Pull the fuses through the plastic constriction point that holds them from falling out. NOTE: Never disconnect the safety ground to the converters... - Page 6 Euphonix MADI Converters Operation Manual Introduction Power Cord Requirements The converters are supplied with North American IEC power cords. If this cord is changed to allow a different plug configuration, it is the responsibility of the user to select an approved power cord with proper construction material, current capacity, flexibility, and strength characteristics. Cooling We strongly recommend providing adequate ventilation to the converters, particular‐ ly when installed in a rack. The MI715 and MO705 converters in particular should have space left above and below every two units so heat can properly dissipate...
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Page 7: Features
Euphonix MADI Converters Operation Manual Chapter : MI715/MO705 Converters Features Professional grade audio conversion is accomplished utilizing 128 times over‐sampled noise‐shaped delta‐sigma techniques. The analog to digital conversion employs a multi‐bit modular architecture while the digital to analog conversion employs a single‐ bit modulator architecture. Low‐jitter reference clocks are provided utilizing digital PLL techniques with VCXO and VCO oscillators. The analog inputs and outputs can be calibrated from the front panel of each unit. AES/EBU and Word Clock external sync inputs on both units provide synchronization to digital systems. Sample Rate Source and Sample Rate are automatically sensed by both units. Supported sample rates include 44.1, 48, 88.2, and 96 kHz. In addition, pull‐ up and pull‐down rates for the standard sample rates, as well as custom sample rates are available. A pplications In addition to their standard use in a Euphonix digital system, the MI715 and MO705 can be used as stand‐alone converters. When used with the Euphonix SH612 Studio Hub, this is a powerful conversion and MADI routing system that can be used to inter‐ face between an analog console and an otherwise all‐digital facility (i.e., TV broadcast facility). NOTE: MADI cables can be extended to 50 m (164 ft), allowing remote location of the con‐ verters. ... -
Page 8: Mi715/Mo705 Front Panel
Euphonix MADI Converters Operation Manual MI715/MO705 Converters Features MI715/MO705 Front Panel This section discusses both front panels and notes their few differences. Trim Pots Access: One trim pot adjuss the maximum analog input/output level of channels 1–8 in 2‐dB steps between +12 and +26 dBu. Sample Rate LEDs: These LEDs indicate the sample rate to which the converter is cur‐ rently locked. Sample rates are auto‐sensed but can be manually selected on the AM713. Supported sample rates are 96 kHz, 88.2 kHz, 48 kHz, 44.1 kHz, and Custom rates from external sources. Sample Rate Source LEDs: These LEDs indicate the format of the Sample Rate Source to which the converter is currently locked. Sample Rate Source can be auto‐sensed or manually selected. If an external source is not detected, the MI715 reverts to Internal sync; the MO705 mutes its outputs. If a manually selected source is not present, the Sample Rate Source indicator blinks. • AES: Sample Rate locked to AES Input. • Word: Sample Rate locked to Word Clock Input. • Internal (MI715 only): Sample Rate locked to its own internal crystal. • MADI (MO705 only): Sample Rate locked to MADI. • Auto: Sample Rate Source has been auto‐sensed. These LEDs appear in the same order in which signals are tested for their presence. This detection procedure occurs when the converters are powered on. The Sample Rate (MI715 only) and Sample Rate Source can also be selected manually.Manual Se‐ lection Buttons: The button below each Sample Rate LED row manually selects the sample rate. The MI715 also allows manual selection of the Sample Rate Source. Power Switch: On/Off switch. NOTE: There are no user‐serviceable parts in the converters. -
Page 9: Mi715 Rear Panel
Euphonix MADI Converters Operation Manual MI715/MO705 Converters Features MI715 Rear Panel MA715 Rear Panel Input Voltage Selector: This red switch allows the unit to operate in either 110/115 VAC or 220/230/240 VAC environments. A fuse must also be changed for 220/230/240 VAC operation (see page 5). Units are shipped set and fused for 110/115 VAC. Power Connector (IEC) and Fuse Tray: The IEC power connector accepts standard IEC power cords. The fuse tray contains both the active fuse and a spare fuse for 220/230/ 240 VAC operation. See page 6 for instructions on how to change the fuse for 220/ 230/240 VAC operation. Analog Inputs (female XLR): 8 balanced, analog inputs on XLR connectors. Input sen‐ sitivity is set from the front panel. AES/EBU Digital Input (female XLR): 8 Stereo AES/EBU digital input on XLR connectors Parallel AES/EBU Digital Inputs (female DB25): Two 8‐channel digital connectors function in parallel with XLR digital inputs, and should not be used simultaneously AES Sync In (female XLR): Master clock input for the converter when using AES as Sam‐ ple Rate Source. AES Sync Thru (male XLR): Outputs the same signal connected to AES Sync In. Word In (BNC): Master clock input for the converter when using Word Clock as Sam‐ ple Rate Source. Word Out (BNC): Outputs a Word clock signal synchronized to the Sample Rate Source. In the presence of an external Word clock input, this connector provides a regenerated version of that input signal. Without an external sample rate source, this connector outputs the internally generated clock signal. - Page 10 Euphonix MADI Converters Operation Manual MI715/MO705 Converters Features MADI Out (BNC): Outputs the digital audio signal. • 1–8: Analog inputs • 9–24: AES inputs ...
- Page 11 Euphonix MADI Converters Operation Manual MI715/MO705 Converters Features MA705 Rea Panel Figure 1-1 MA705 Rear Panel Input Voltage Selector: This red switch sets the unit to either 110/115 VAC or 220/ 230/240 VAC environments. A fuse must also be changed for 220/230/240 VAC oper‐ ation (see page 6). Units are shipped set and fused for 110/115 VAC. Power Connector (IEC) and Fuse Tray: The IEC power connector accepts standard IEC power cords. The fuse tray contains both the active and spare fuses. See page 6 to learn how to change the fuse for 220/230/240 VAC operation. Analog Outputs (male XLR): 8 balanced analog outputs on XLR connectors. Output lev‐ el is set from the front panel. AES/EBU Digital Outputs (male XLR): 8 Stereo AES/EBU digital outputs on one XLR connector. Parallel AES/EBU Digital Outputs (female DB25): Two 8‐channel digital connectors function in parallel with XLR digital outputs and the two outputs should not be used simultaneously. See Figure 3‐5 on page 33 for pinout diagram. AES Sync In (female XLR): Master clock input for the converter when using AES as the Sample Rate Source. AES Sync Thru (male XLR): Outputs the same signal connected to AES Sync In. Word In (BNC): Master clock input for the converter when using Word Clock as Sam‐ ple Rate Source. Word Out (BNC): Outputs a Word Clock signal synchronized to the Sample Rate Source. In the presence of an external Word clock input, this connector provides a regenerated version of the input signal. Without an external sample rate source, this connector outputs an internally generated clock signal. MADI In (BNC): Digital audio signal input. • 1–8: analog outputs...
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Page 12: Synchroniztion
Euphonix MADI Converters Operation Manual MI715/MO705 Converters Features S ynchronization MI715 The MI715’s Sample Rate is set externally by one of two source signals or internally by crystals and associated circuitry. The Sample Rate Source is determined automatically by the presence of signals when the MI715 is powered on. The order in which external signals are tested for presence is: AES, Word, Internal. The detected signal immediately becomes the source for the MI715’s sample rate clock. The auto‐sensed Sample Rate Source can be overridden using the button on the front panel of the MI715, below the Sample Rate Source LEDs. If neither AES nor Word Clock signals are present, the MI715 uses its internal clock derived from on‐board volt‐ age‐controlled crystal. The default internal Sample Rate of the MI715 is 48 kHz. This default internal rate can be overridden with the Sample Rate button on the front panel of the MI715 (directly below the Sample Rate LEDs) to 44.1, 48 or 96 kHz. MO705 The MO705 detects Sample Rate and Sample Rate Source like the MI715 with the following two differences: • Since the MO705 is always a slave to an external Sample Rate Source, there is no internal Sample Rate setting. • The MO705 can use MADI in addition to AES or Word Clock as a Sample Rate Source, and detects the presence of these signals in the following order: AES, Word, MADI. When a signal is detected, it immediately becomes the sample rate clock of the MO705. The auto‐sensed Sample Rate Source can be overridden with the Sample Rate Source button on the front panel of the MO705, below the Sample Rate Source LEDs. -
Page 13: Specifications
Euphonix MADI Converters Operation Manual MI715/MO705 Converters Features Specifications MI715 Performance Specifications Sync Sources AES, word clock, internal Sync Outputs AES thru and word clock out Sync Detection Auto or switched Internal Sample Rate 44.1, 48, 88.2, 96 kHz ±50 ppm Lock range 300 ppm... - Page 14 Euphonix MADI Converters Operation Manual MI715/MO705 Converters Features MO705 Performance Specifications Sync Sources AES, word clock, MADI Sync Outputs AES thru and word clock out Sync Detection Auto or switched Internal Sample Rate 44.1, 48, 88.2, 96 kHz ±50 ppm Lock range 300 ppm...
- Page 15 Euphonix MADI Converters Operation Manual MI715/MO705 Converters Features IM715/MO705 Technical Specifications Power Requirements 110/115 VAC or 220/230/240 VAC; 50 or 60 Hz Power Consumption 50 W Temperature of Operation 5–35 Dimensions Height: 3.5 in; Width: 19 in; Depth: 18.25 in; Weight: 17 lb...
- Page 16 Clear Displays, Track Panner, SnapShot Recal, DSC (Digital Studio Controller), Hyper- Surround, Total Automation and Mix View are trademarks of Euphonix, Inc. ©2009 Euphonix, Inc. All rights reserved worldwide. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form by any means without written permission of Euphonix, Inc.
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Page 17: Important Safety Instructions
IMPORTANT SAFETY INSTRUCTIONS The lighting flash with arrowhead symbol within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electrical shock to persons. The exclamation point within an equilateral triangle, is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product. - Page 18 13) Unplug this apparatus during lightning storms or when unused for long periods of time. 14) Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
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