Specifications, Part Numbers, Accessories, cont’dMPX 423 A • Specifications, Part Numbers, Accessories
A-4
PRELIMINARY
Audio input
Number/signal type ................... 12 stereo, balanced/unbalanced
Connectors .................................... (12) 3.5 mm captive screw connectors, 5 pole
Impedance .................................... >12.5k ohms unbalanced, 25k ohms balanced, DC coupled
Nominal level ............................... -10 dBV (316 mVrms)
Maximum level ............................ +20 dBu, (balanced or unbalanced) at 1%THD+N
Input gain adjustment ................. –18 dB to +24 dB, adjustable per input; default = 0 dB
N 0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV ≈ 2 dBu
Audio output
Number/signal type ................... 2 stereo, balanced/unbalanced
Connectors .................................... (2) 3.5 mm captive screw connectors, 5 pole
Impedance .................................... 50 ohms unbalanced, 100 ohms balanced
Gain error ...................................... ±0.1 dB channel to channel
Maximum level (Hi-Z) ................ >+20 dBu, balanced or unbalanced at 1% THD+N
Control/remote — switcher
Serial control port ........................ RS-232, 9-pin female D connector
Baud rate and protocol ............... 9600 baud (default), 8 data bits, 1 stop bit, no parity
Serial control pin configurations 2 = TX, 3 = RX, 5 = GND
Ethernet control port ................... 1 RJ-45 female connector
Ethernet data rate ........................ 10/100Base-T, half/full duplex with autodetect
Ethernet protocol ......................... ARP, DHCP, ICMP (ping), TCP/IP, Telnet, HTTP
Program control ........................... Extron’s control/configuration program for Windows®
Extron’s Simple Instruction Set (SIS™) Microsoft® Internet Explorer,
Netscape® Navigator®, Telnet
General
Power............................................. 100 VAC to 240 VAC, 50/60 Hz, 15 watts, internal
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
Rack mount................................... Yes, with included brackets, part #70-077-03
Also furniture mountable with optional Under-Desk Mounting Kit,
part #70-222-01
Enclosure type .............................. Metal
Enclosure dimensions ................. 1.75” H x 17.4” W x 8.5” D (1U high, full rack wide)
4.4 cm H x 44.2 cm W x 21.6 cm D
(Depth excludes connectors and knob. Width excludes rack ears.)
Product weight............................. 7.0 lbs (3.2 kg)
Shipping weight ........................... 10 lbs (5 kg)
DIM weight
International ....................... 11 lbs (5 kg)
Vibration ....................................... ISTA 1A in carton (International Safe Transit Association)
Listings .......................................... UL, CUL
Compliances ................................. CE, FCC Class A, VCCI, AS/NZS, ICES
MTBF ............................................. 30,000 hours
Warranty ....................................... 3 years parts and labor