Squawkbox, User manual, 7– architects & engineers specification – Attero Tech SquawkBox User Manual
Page 17: 1 – device specifications

SquawkBox
User Manual
Attero Tech LLC 2014
Page 13
614-00007-04
7
–
ARCHITECTS & ENGINEERS SPECIFICATION
The CobraNet interface unit shall provide monitoring of any one of 16 CobraNet audio channels, with user selection of the
monitored channel facilitated by “Channel Up” and “Channel Down” keypad buttons. Monitoring will be through either an
internal loudspeaker or via a 3.5mm headphone jack. The internal speaker shall be automatically muted when a headphone
plug is inserted into the 3.5mm jack. Volume control shall be facilitated by “Volume Up” and Volume Down” keypad
buttons. An externally triggered 17
th
channel shall be provided for system wide override messages. The internal digital to
analog signal conversion shall be performed at 16-bit resolution with a sampling frequency of 48 kHz. The CobraNet
interface unit shall receive power over the Ethernet cable from an 802.3af PoE compliant network switch, or from a +5VDC
external power supply. The CobraNet interface shall have a 16 character, one line LCD display to show the names of each
of the 16 audio channels. Names of audio channels, as well as other system configuration shall be accomplished using a
web browser.
The CobraNet interface shall be compatible with Attero Tech Control Center software monitoring in system applications. The
CobraNet interface shall be compliant with the RoHS directive.
The CobraNet interface shall be the Attero Tech SquawkBox.
7.1 – Device Specifications
CobraNet Network
Physical Level:
Standard Ethernet
Connector:
Single RJ-45
Cable Quality:
CAT-5
Transmission Speed:
100 Mbps
Power Requirements
Class 2 802.3af PoE PD
Compliant
or
Optional 12 V DC @ 0.6a
Power Consumption
11 Watts maximum
Dimensions
7.5”W x 1.75”H x 5.0”D
Weight
15 oz, 425 g
Compliance
RoHS, UL Listed power
source, FCC Part 15 Class
A Compliant
General
Number of Channels
Monitored:
16 User Selectable + 1
Externally Enabled Override
LCD Display:
16 Characters
User Controls:
4 Buttons - Channel
Up/Down, Volume Up/Down
Audio Outputs
Output Type:
Internal Speaker and 3.5mm
Headphone Jack,
autoswitching
Headphone Output
Optimized for 32 Ohm
headphones