Extron electronic MMX 42 Specifications, Part Numbers, Accessories, cont’d, Audio input, General

Specifications, Part Numbers, Accessories, cont’d

Audio input

Number/signal type
Captive screw models	4 or 6 stereo, balanced/unbalanced
RCA connector models	4 or 6 stereo, unbalanced
Connectors
Captive screw models	(4 or 6) 3.5 mm captive screw connectors,
	5 pole
RCA connector models	4 or 6 pairs of female RCA connectors
Impedance	>10k ohms unbalanced/balanced, DC
	coupled
Nominal level	-10 dBV (316 mV)
Maximum level	+19.5 dBu, (balanced or unbalanced) at
	1%THD+N
Input gain adjustment	–18 dB to +24 dB, adjustable per input via
	RS-232 only

N0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV ≈ 2 dBu

Audio output

Number/signal type
Captive screw models	2 stereo, balanced/unbalanced
RCA connector models	2 stereo, unbalanced
Connectors
Captive screw models	(2) 3.5 mm captive screw connectors,
	5 pole
RCA connector models	2 pairs of female RCA connectors
Impedance	50 ohms unbalanced, 100 ohms balanced
Gain error	±0.1 dB channel to channel
Maximum level (Hi-Z)	>+21 dBu, balanced or unbalanced at
	1%THD+N
Maximum level (600 ohm)	>+15 dBm, balanced or unbalanced at
	1%THD+N

Control/remote — switcher

Serial control port	RS-232, female 3.5 mm captive screw
	connector, 3 pole
Baud rate and protocol	9600 baud, 8 data bits, 1 stop bit, no parity
Serial control pin configurations. 1 = TX, 2 = RX, 3 = GND
Program control	Extron control/configuration program for
	Windows®
	Extron Simple Instruction Set (SIS™)

General

External power supply	100 VAC to 240 VAC, 50-60 Hz, external; to
	12 VDC, 1 A, regulated
Power input requirements	12 VDC, 0.5 A
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
Enclosure type	Metal
Enclosure dimensions	1.75" H x 8.75" W x 3.0" D
	(1U high, half rack wide)
	4.4 cm H x 22.2 cm W x 7.6 cm D
	(Depth excludes connectors.)
Product weight	4.0 lbs (1.8 kg)
Shipping weight	5 lbs (3 kg)
Vibration	ISTA 1A in carton
	(International Safe Transit Association)
Regulatory compliance
Listings	CE, c-UL, UL
Compliances	CE, C-tick, FCC Class A , ICES, VCCI
MTBF	30,000 hours
Warranty	3 years parts and labor

NAll nominal levels are at ±10%.

NSpecifications are subject to change without notice.

A-4 MMX 42/62 Series • Reference Information MMX 42/62 Series • Reference Information A-5