Electro-Voice CM-1 User manual

Key Features:
• 100BASE-TX Ethernet Interface – 100Mbit/s
full-duplex Ethernet Interface; IEEE 802.3u
compatible.
• Secondary 100BASE-TX Ethernet Interface –
Second Ethernet Interface for the connection
of a redundant network to establish fault-
tolerant systems.
• Four serial output ports – Internal audio output interface for the transmission of 32 digital audio
channels with 48 / 96 kHz sample rate and 16, 20 or 24-bit word length.
• Four serial input ports – Internal audio input interface for receiving 32 digital audio channels with
48 / 96 kHz sample rate and 16, 20 or 24-bit word length.
• SNMP andTFTP support – Control,monitoring,configuration and firmware updates via Ethernet
protocol.
• Status LEDs – Link,Activity,Fault and CobraNet™ Conductor status indication via Ethernet
connectors.
CM-1
CobraNetTM
InterfaceModule
General Description:
CobraNet™ is a network technology for multi-
channeltransmissionofdigitalaudiodata.TheCM-
1 is a compact interface module for connection to
a CobraNet™ network allowing the simultaneous
transmission of up to 32 digital audio input signals
and 32 digital audio output signals.
Technical Specifications:
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Status LEDs: Yellow: Interface in use
Blinking: Device is a CobraNetTM Conductor
Green: Link okay
Blinking: Communication active
Fatal Error: Yellow LEDs on both sockets flashing

CM-1PartNumber:
CM-1 -- D170327
12000 Portland Avenue South, Burnsville, MN 55337
Phone:[phone], Fax:[phone]
www.electrovoice.com
© Telex Communications, Inc. 1/2006
PartNumberLIT-0000XX Rev1
U.S.A. and Canada only. For customer orders, contact Customer Service at:
800/392-3497 Fax: [phone]
Europe, Africa, and Middle East only. For customer orders, contact Customer Service at:
+ 49 9421-706 0 Fax: + 49 9421-706 265
Other International locations. For customer orders, contact Customer Service at:
+ 1 952 884-4051 Fax: + 1 952 736-4212
For warranty repair or service information, contact the Service Repair department at:
800/685-2606
For technical assistance, contact Technical Support at: 866/78AUDIO
Specifications subject to change without notice.
Dimension Drawings:
Block Diagram:
Front View
Side ViewTop View
Installation:
1. Turn off power of the unit and pull mains plug
2. Remove cover plate (6 screws on the sides, 3 screws on top, 4
screws on the rear)
3. Remove the blind on the rear panel (2 screws)
4. Install the CM-1 module (see picture); first, secure it with 2 screws
on the rear panel (A), then with 2 screws on the bolt (B), tighten the
screws
5. Make the following cable connections:
-J1on CM-1modulewithCN28 onmainboard80500 (65mm flatwire
cable) (C)
-J3on CM-1modulewithCN5on DSP-Board 80496(190mmflatwire
cable) (D)
6. Reinstall the cover plate
7. Plug in the mains cord and turn the unit’s power on.
8. Configure CM-1 module parameter in the user-interface according to
application needs.
AllDimensionsin Millimeters
AUDIO OUT
POWER
SUPPLY
HOST /
SERIAL
+3.3V
PRIMARY
RJ-45
SECONDARY
RJ-45
FPGA
DSP
MAC
SRAM
FLASH
24.576 MHz
MODULE INTERFACE
VCXO
+5V
COBRANET
INTERFACE
AUDIO IN
4 x 8 Channels
4 x 8 Channels
PHY
CM-1 Block Diagram
PHY