User Guide User guide

B-3
MVX Plus 128 VGA A Matrix Switcher • Specifications, Part Numbers, Accessories
PRELIMINARY
Audio
Routing ........................................... 12 x 8 stereo matrix
Gain ................................................ Unbalanced output: -6 dB; balanced output 0 dB
Frequency response ..................... 20 Hz to 20 kHz, ±0.05 dB
THD + Noise ................................. 0.03% @ 1 kHz at nominal level
S/N ................................................. >90 dB, balanced, at maximum output (21 dBu) (unweighted)
Crosstalk ........................................ <-80 dB @ 1 kHz, fully loaded
Stereo channel separation ............ >80 dB @ 1 kHz
CMRR ............................................. >75 dB @ 20 Hz to 20 kHz
Audio input
Number/signal type .................... 12 stereo, balanced/unbalanced
Connectors .................................... (12) 3.5 mm captive screw connectors, 5 pole
Impedance ..................................... >10k ohm, balanced/unbalanced, DC coupled
Nominal level ................................ -10 dBV (316 mVrms), 0 dBu (775 mV)
Maximum level ............................. +19.5 dBu, (balanced or unbalanced) at 0.01% THD+N
Input gain adjustment .................. -18 dB to +24 dB (default = 0 dB), adjustable per input by RS-232/422 or
front panel
N
0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV 2 dBu
Audio output
Number/signal type .................... 8 stereo, balanced/unbalanced
Connectors .................................... (8) 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) ................ >+21 dBu, balanced or unbalanced at 0.1% THD+N
Maximum level (600 ohm) .......... >+15 dBm, balanced or unbalanced at 0.1% THD+N
Output volume range ................... 0 to 64 (-85 dB to 0 dB) in 1 dB increments from steps 1 to 64,
35 dB increment from step 0 to 1; default = 64 = 0 dB
Control/remote — switcher
Serial control port ......................... 1 RS-232/RS-422: 1 rear panel 9-pin female D connector
1 RS-232: 1 front panel 2.5 mm mini stereo jack
Baud rate and protocol ................. 9600 (default), 19200, 38400, 115200 baud (adjustable); 8 data bits, 1 stop bit,
no parity
Serial control pin configurations
9-pin female D connector
RS-232 ........................ RS-232: 2 = TX, 3 = RX, 5 = GND
RS-422 ........................ RS-422: 2 = TX-, 3 = RX-, 5 = GND, 7 = RX+, 8 = Tx+
Mini stereo jack (RS-232 only)
tip = TX, ring = RX, sleeve = 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, Telnet