Extron Electronics MVC 121 Plus User Guide - Manual (Page 56)

Audio processing
D/A conversion ............................... 24 bit, 48 kHz sampling
Audio output
Number/signal type ........................ 2 stereo, line, balanced/unbalanced
Connectors .................................... (2) 3.5 mm captive screw connector, 5 pole
Impedance ..................................... 50 ohms unbalanced, 100 ohms balanced
Gain error ...................................... ±0.2 dB channel to channel
Maximum level (Hi-Z) ...................... >+21 dBu, balanced; >+15 dBu, unbalanced
Control/remote — mixer/volume controller
Serial control port ........................... 1 bidirectional RS-232: 3.5 mm captive screw connector, 6
pole (uses 3 poles) (shared with digital input)
Baud rate and protocol ................... 9600 to 115200 baud, 38400 baud (default), 8 data bits, 1
stop bit, no parity,
no flow control
Serial control pin configuration ....... 1 = Tx, 2 = Rx, 3 = GND
USB control port ............................. 1 front panel female mini USB B
USB standards ................................ USB 2.0, low speed
Program control ............................. Extron control/configuration program for Windows
®
Extron Simple Instruction Set (SIS ™ )
Control — digital input ports
Number/type .................................. 3 digital input (configurable)
Connector ...................................... (1) 3.5 mm captive screw connector, 6 pole (shared with RS-
232 port, uses 4 poles)
Pin configuration ............................ 3 = GND; 4, 5, 6 = digital inputs 1, 2, 3
Digital inputs
Input voltage range ................. 0-24 VDC
Input impedance ...................... 10k ohms
Threshold low to high .............. >2.0 VDC
Threshold high to low .............. <0.8 VDC
General
Power ............................................ External
Input: 100-240 VAC, 50-60 Hz
Output: 12 VDC, 1 A
Power consumption ....................... 4.8 watts
Temperature/humidity .................... Storage -40° to +158°F (-40° to +70°C) / 10% to 90%,
noncondensing
Operating +32° to +122°F (0° to +50°C) / 10% to 90%,
noncondensing
Cooling .......................................... Convection, no vents
Mounting
Rack mount ............................. Yes, with optional 1U rack shelf
Furniture mount ...................... Yes, with optional mini under-desk mounting kit
Pole mount .............................. Yes, with mini pole mount kit
Enclosure type ................................ Metal
Enclosure dimensions ..................... 1.7" H x 4.3" W x 3.0" D (1U high, quarter rack wide)
(4.3 cm H x 10.9 cm W x 7.6 cm D)
(Depth excludes connectors and knobs.)
MVC 121 Plus • Reference Information 50