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5.2.3 ADDITIONAL EQUIPMENT YOU MUST SUPPLY FOR COBRANET™:
· Loudspeaker interface:
EAW CM-1 CobraNet™ Interface Card (P/N 0005987)
for each DSA Series loudspeaker
· Audio/Computer interface:
Converts signals to CobraNet™ protocol
· Ethernet switch or hub:
For networking multiple loudspeakers over Ethernet
5.2.4 CABLING:
A CAT-5 or better cable with RJ-45-compatible connectors is required
for each loudspeaker.
NOTE: Ethernet cable length is limited by specification to 328 ft / 100 m.
Longer runs are possible using network hubs or switches as repeaters or
by conversion to fiber optic cable.
5.2.5 AUDIO/COMPUTER INTERFACE:
Audio and RS-232 (for the DSAPilot control signals) must be converted to
the CobraNet™ protocol and connected to the network via an RJ-45 Ethernet
port. Products that do this are available from several manufacturers. Your
choice will depend, in part, on how many and what form of audio signals
(digital or analog) you need to distribute.
Manufacturers of converters include:
Peavey, QSC, Rane, Symetrix, Whirlwind, and Yamaha.
5.2.6 LOUDSPEAKER INTERFACE:
An optional EAW CM-1 CobraNet™ Interface Card must be installed in
the slot provided in loudspeaker. To do this, see installation instruc-
tions that accompany the CM-1.
Connect the PRIMARY RJ-45 Ethernet connector to the Ethernet cable.
The SECONDARY RJ-45 Ethernet connector on the CM-1 is for connec-
ting to a second, redundant Ethernet network. This would be designed
as a back-up network that automatically takes over in the event of
failure in the primary network.
The digital audio received by the CM-1 connects directly to the loud-
speaker’s digital signal processing. It is converted back to analog at the
inputs to the internal power amplifiers.
5.2.7 MULTIPLE LOUDSPEAKERS:
To connect multiple loudspeakers to the network, the Ethernet output
on the audio/computer interface must connect to a network switch or
hub. A network switch is normally recommended. The switch must
have an Ethernet port for each loudspeaker.
A CAT-5 cable is required from the Ethernet port on the CM-1 Interface
Card in each loudspeaker to its port on the network switch. For net-
works requiring cable runs longer than 328 ft / 100 m, a repeater
network or fiber optic cabling is recommended. Do NOT mix hubs and
switches on a repeater network. Network switches and hubs are avail-
able through most computer retailers.
5.2.8 SUPPORT FOR COBRANET™ / ETHERNET
See Sections 8.4 and 8.5 for support information for Ethernet and CobraNet™.
19
CM-1 INTERFACE CARD
4X FLAT
HEAD
SCREWS
Figure 5.2.6 CM-1 Interface Card
(See Installation Instructions with Card)
CAT-5
CABLES
MAX 328
ft/100 m
100BASE-T
NETWORK
SWITCH
DSA
LOUDSPEAKERS
WITH
OPTIONAL
CM-1 CARD
AUDIO/COMPUTER
INTERFACE
PC
LINE LEVEL
AUDIO
SOURCE(S)
Figure 5.2.3 Basic CobraNet™ Diagram