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U S E R M A N U A L
RAVE 80
Digital Audio Router (8 AES3 outputs)
RAVE 81
Digital Audio Router (8 AES3 inputs)
RAVE 88
Digital Audio Router (4 AES3 inputs + 4 AES3 outputs)
RAVE 160
Digital Audio Router (16 analog audio outputs)
RAVE 161
Digital Audio Router (16 analog audio inputs)
RAVE 188
Digital Audio Router (8 analog audio ins + 8 analog audio outs)
RAVE
Rev. A
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Related Manuals for QSC RAVE 160
Summary of Contents for QSC RAVE 160
- Page 1 RAVE 81 Digital Audio Router (8 AES3 inputs) RAVE 88 Digital Audio Router (4 AES3 inputs + 4 AES3 outputs) RAVE 160 Digital Audio Router (16 analog audio outputs) RAVE 161 Digital Audio Router (16 analog audio inputs) RAVE 188...
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Page 2: Table Of Contents
© Copyright 1997 QSC Audio Products, Inc. All rights reserved. “QSC” and the QSC logo are registered with the U.S. Patent and Trademark Office. RAVE™ is a trademark of QSC Audio Products, Inc. CobraNet™ is a trademark of Peak Audio, Inc. -
Page 3: Explanation Of Graphical Symbols
EXPLANATION OF GRAPHICAL SYMBOLS EXPLICATION DES SYMBOLES GRAPHIQUES ERKLÄRUNG DER GRAPHISCHEN SYMBOLE DECLARATION OF CONFORMITY for all RAVE models FEDERAL COMMUNICATIONS RISK OF ELECTRIC SHOCK COMMISSION (FCC) DO NOT OPEN INFORMATION NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. -
Page 4: Introduction
16 channels receive, or 8 channels send/8 channels receive), with either analog or digital AES3 (often called AES/EBU) ins and outs. The six models are numbered as follows: RAVE 80 RAVE 81 RAVE 88 RAVE 160 RAVE 161 RAVE 188 A RAVE system handles routing in groups of 8 individual audio channels. Power LED Front view of a RAVE 161;... -
Page 5: Glossary
Rear views, from top: RAVE 160, RAVE 188, RAVE 161, RAVE 80, RAVE 88, and... -
Page 6: How It Works
I/O (below) RAVE 80: 8 AES3 outs RAVE 81: 8 AES3 ins RAVE 160: 16 analog outs RAVE 161: 16 analog ins problem, since a second or two delay in the transmission of a print job or an e-mail mes- sage won’t have any noticeable effect. -
Page 7: Channel Routing
Channel routing A RAVE network handles routing in groups of eight audio channels, and each group of eight transmitted on the network makes up one network channel. Each RAVE device handles two network channels—two sent, two received, or one of each. For example, a RAVE 161 unit, with 16 analog audio inputs, represents two transmitted groups, and thus two separate network channels;... -
Page 8: Network Topology Examples
NETWORK TOPOLOGY EXAMPLES Two nodes with a direct cable connection Advantages: very low cost; very high reliability; simple to implement Disadvantages: limited to 100 meters (328 feet) total network size; no expandability; uses non-standard wiring of RJ-45 connectors on Ethernet cable the interconnection. -
Page 9: Star Topology
Star topology Advantages: greater network size—up to 200 meters (656 feet); high reliability; readily expandable; uses standard Ethernet patch cables Disadvantages: higher cost Add nodes—i.e., RAVE units—to the previ- ous net layout and you have the classic star topology. This name comes from the hub being at the center and the nodes radiating out from it like the points of a star. - Page 10 Maximum system cable span (e.g., furthest node- to-hub + hub-to-hub + hub-to-node): 400 meters (1312 feet) Distributed star network topology Data signals sent over optical fiber don’t degrade as much as they do over copper wiring, and they are immune to induced interference from electromagnetic and RF sources, fluorescent lighting fixtures, etc.
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Page 11: Network Limitations
The illustration at right shows a simple 2-node network similar to the one decribed before, except nearly all of the interconnecting UTP cable between the RAVE devices has been replaced by a pair of 100baseTX-to-100baseFX converters and a length of fiber optic cable. This conversion to a fiber optic medium allows the distance between the RAVE units to be increased to up to 2 kilometers. - Page 12 *Although any one fiber segment can be up to 2000 meters long, and any single UTP segment can be up to 100 meters long, it may be necessary to impose shorter limits, in consideration of cumulative delays caused by devices and cabling. See text for more information. Using optical fiber to link hubs in that its deterministic nature affords a bit more tolerance of delay than unregulated, non-deterministic network traffic can handle: a network span or diameter of up to 2560 bit periods (with Fast Ethernet, 1 bit period = 10...
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Page 13: Installation
III. Installation PRE-INSTALLATION PREPARATION: ANALOG SIGNAL LEVELS (RAVE 160, 161, AND 188 ONLY) The RAVE models which handle analog audio inputs and/or outputs require a signal level set-up to achieve optimum performance. This configuration should be completed before rack-mounting the units. (The digital AES3 models, however, do not require any such adjustment.) - Page 14 These headers are located near the rear edge of the circuit board, and there is one header for each analog output: eight in the RAVE 188, and 16 in the RAVE 160. •...
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Page 15: Rack Mounting (All Models)
RACK MOUNTING (ALL MODELS) A RAVE unit is 1 RU (1 rack space) high and mounts in any standard 19-inch equipment rack. The top cover of the chassis must be in place and properly secured with screws before you can mount the RAVE unit. •... -
Page 16: Digital Audio Connections
The analog RAVE models (RAVE 160, 161, and 188) use normal analog balanced audio inputs and outputs, with three terminals per channel: Hi (+), Lo (-) and Shield. Channel numbers and connector pinouts are labeled on the rear of the unit, as shown in the illustration below. -
Page 17: Ac Power
RAVE 81 This model features eight AES3 input channels, a total of 16 audio channels. The AES3 inputs are labeled 1 through 8 on the rear of the unit. RAVE 80 This model features eight AES3 output channels, a total of 16 audio output channels. The AES3 outputs are labeled 1 through 8 on the rear of the unit. -
Page 18: Slave Input
SLAVE INPUT The slave input is another BNC jack. Its use is to allow a RAVE unit to “slave” itself to another RAVE unit, as a backup in mission-critical applications. To slave one RAVE unit to another, connect a BNC jumper cable from the sync output of the main unit to the slave input of the redundant unit. -
Page 19: Operation
V. Operation STATUS INDICATORS The eight status indicator LEDs display the operating condition of the RAVE unit and its Ethernet network. They are color coded such that green LEDs, when lit, signify something good or normal, while red ones signify a problem. The “Conductor” LED is yellow because it doesn’t signify good nor bad;... -
Page 20: Channel Signal Indicators
The RAVE units in a common network select a conductor according to three priorities. The priorities are, from highest to lowest: 1. Models 161 and 81 2. Models 188 and 88 3. Models 160 and 80 When a unit is connected to the network, it first looks to see if there is a conductor with lower priority already present. -
Page 21: Routing
ROUTING A RAVE network routes audio sig- nals in groups or groups of 8 chan- nels, as the group diagram of a sample RAVE network illustrates at right. Behind the removable panel on the face of a RAVE unit are two pairs of hexadecimal switches (see the illustration below) for assigning network addresses to the groups. -
Page 22: Faq: Frequently Asked Questions
VI. FAQ: Frequently Asked Questions CAN I BUY HUBS, CABLES, AND OTHER EQUIPMENT FOR MY RAVE NETWORK ANYWHERE? Yes. One of the design goals of RAVE technology is that aside from the specialized RAVE devices themselves, all other network-related equipment is common computer equipment available from many sources, including local retail computer stores. - Page 23 WHAT HAPPENS IF I RUN OUT OF CHANNELS? Network channels automatically drop when available network bandwidth is exhausted. The network channels with the highest address numbers will be the first to be dropped. The “TX Error” indicator will light when a transmitting unit cannot send due to insufficient bandwidth.
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Page 24: Specifications
VII. Specifications Analog Audio Sample rate A/D converters D/A converters Network transmission Signal to noise RAVE 161 and 188 inputs: RAVE 160 and 188 outputs: Network Data Format Header Packet trailer Network Capacity (without unregulated traffic) 100baseTX Unregulated Traffic To maintain continuous maximum performance, we recommend that you do not share the RAVE network with other computer network devices. -
Page 25: Appendix
VIII. Appendix ETHERNET CABLING This diagram shows the pinout for standard unshielded twisted-pair (UTP) network cable. Both ends of the cable are wired identically. A crossover cable has the RX and TX wire pairs switched around at one end. There are only two likely situations that would require a crossover cable: to connect two RAVE devices directly, without a hub or other device in between;... -
Page 26: Address & Telephone Information
IX. Address & Telephone Information Address: QSC Audio Products, Inc. 1675 MacArthur Boulevard Costa Mesa, CA 92626-1468 USA Telephone Numbers: Main Number (714) 754-6175 Sales Direct Line (714) 957-7100 Sales & Marketing (800) 854-4079 (toll-free in U.S.A. only) Technical Services (714) 957-7150 (800) 772-2834 (toll-free in U.S.A. - Page 28 QSC Audio Products, Inc., 1675 MacArthur Boulevard Costa Mesa, California 92626 USA PH: (714) 754-6175 FAX: (714) 754-6174 RAVE is a trademark of QSC Audio Products, Inc. “QSC” and the QSC logo are registered with the U.S. Patent and Trademark Office...
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