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Rane Mongoose
A/D Conversion at the wall
Mongoose can replace the analog mic and line level portions of an audio system with digitized audio over regular CAT 5 cable. Mongoose can be used with or without CobraNet.
The Mongoose and its Tracker software work with Rane’s Remotes Audio Devices
(RADs) and your CobraNet network to deliver digital audio to the “last mile” of
installations – between the equipment room/rack and remote spaces. OK, it’s not
a mile, we lied: it’s actually 150 meters (492 feet to those in Liberia, Myanmar
and the USA).
The Mongoose’s 32-by-32 digital audio matrix router receives its first 16 audio
channels from up to eight RADs via the eight rear panel 8P8C (RJ-45) Remote
Audio Device ports. The second 16 matrix input channels come from two
eight-channel CobraNet receive (Rx) Bundles via standard CobraNet Primary and
Secondary/backup ports. The 32 matrix router outputs transmit 16 channels to
eight RADs and 16 more channels to two CobraNet transmit (Tx) Bundles.
A family of RAD models connect to the Mongoose. Each converts analog audio to or
from 24-bit, 48 kHz digital audio. Standard CAT 5 cable and termination
transport four digital audio channels – two channels in each direction – as well
as power, ground and a communications channel via Rane’s proprietary RAD
Network. Status indicators are at the RAD signal entry points, at the front and
back of the Mongoose, and in Mongoose Tracker software.
Think about your last: auditorium, church, hotel, theater, stadium, convention center, campus, bar, restaurant, club. Rane’s Mongoose and RADs solve problems you likely encountered if you ran analog audio between remote rooms and equipment racks.
Problem 1: Transmit & receive a small number of audio channels (2-6) to
multiple, scattered locations.
Solution 1: Mongoose & Remote Audio Devices (RADs).
Problem 2: Conduit is expensive & multiple independent runs are needed for:
mic, line, speaker, computer data, AC power...
Solution 2: Mongoose & RADs’ digital CAT 5 solution eliminates or greatly
reduces mic & line conduit costs, labor, troubleshooting... Some jobs may permit
using the computer/data conduit, cable, labor and terminations!
Problem 3: Analog termination requires either stripping & screwing down each
wire (for Euroblocks) or soldering each wire and assembling the connector (XLR,
TRS or RCA).
Solution 3: RAD Network CAT 5 cables are quick and easy to terminate using
standard 8P8C (RJ-45) connectors.
Problem 4: Analog twisted-pair (mic/line) cable is costly & requires 1 cable
per channel.
Solution 4: RADs digitizes audio at each wall location, transporting 4
channels (2 in each direction) on a single, less expensive CAT 5 cable.
Problem 5: Analog cable & devices (MP3/CD players, satellite receivers,
laptops) are prone to ground loops, electromagnetic interference (EMI), hum,
buzz, noise...
Solution 5: RAD Network audio is uncompressed, 24-bit, 48 kHz digital, run
over differentially balanced CAT 5.
Problem 6: Long analog cables beyond 12 feet (3.6 meters) require isolation
transformers. And if you require low frequencies, large transformers are
required.
Solution 6: RADs support a 492 foot (150 meter) long digital RAD Network that
provides ±45 volt common mode rejection without isolation transformers.
Problem 7: Testing analog audio wall connections is lots of work for
installers.
Solution 7: RADs’ indicators immediately self-test CAT 5 connectivity.
Problem 8: Analog wiring mistakes & broken cables in distant rooms are
difficult to troubleshoot.
Solution 8: Both ends of RAD Network cables & the Mongoose Tracker software
indicate and inform installers about any and all wiring mishaps.
Problem 9: Fork lifts that meet XLR wall plates at high velocities equals a
service call.
Solution 9: Maintenance staff can order and replace RADs without a contractor
or a PC.
Problem 10: There are no signal or overload indicators, or “the cable’s good”
indicators on analog XLR plates.
Solution 10: RADs have all these – and they dim with the light level in the
room.
Mongoose’s rear panel Ethernet port provides direct or network connection to a computer running Rane’s Mongoose Tracker software. Inexpert users are assured easy network communications with Zeroconf (Link-local/mDNS) and DHCP support. Gone are the days of installers requiring intricate IP knowledge. Yet, facility network managers can configure Mongoose like any other IP network device. The Ethernet port also supports Auto MDI/MDIX which automatically detects and permits either an Ethernet crossover cable (included) or a standard Ethernet cable to be used when directly connecting to a computer.