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MMX 32 VGA MTP • Reference Information 25
Sync
Input type ...................................... RGBHV, RGBS, RGsB, RsGsBs
Output type ................................... RGBHV, RGBS, RGsB
Input level ...................................... 2.5 V to 5.0 Vp-p, 4.0 Vp-p normal
Output level ................................... AGC to TTL: 4 V to 5 Vp-p, unterminated
Input impedance ............................ 510 ohms
Output impedance ......................... 75 ohms
Max input voltage .......................... 5 Vp-p
Max. propagation delay .................. 30 ns
Max. rise/fall time ........................... 4.2 ns
Polarity ........................................... Positive or negative (selectable at receiver)
Audio
Routing ......................................... 3 x 2 stereo matrix
Gain ...............................................
Output 1 (local output) ............ Unbalanced output: 0 dB
Output 2a (reciever) ................. Unbalanced output: 0 dB;
balanced output: +6 dB
Output 2b ............................... Unbalanced output: 0 dB;
balanced output: +6 dB
Frequency response ........................ 20 Hz to 20 kHz, ±0.05 dB
THD + Noise ................................... 0.15% @ 1 kHz, 0.3% @ 20 kHz nominal level
S/N ................................................. >90 dB at rated maximum output
Crosstalk ........................................ <-76 dB @ 1 kHz, fully loaded
Stereo channel separation .............. >-76 dB @ 1 kHz
CMRR ............................................ >-75 dB @ 20 Hz to 20 kHz
Audio input
Number/signal type ........................ 3 stereo, PC level, unbalanced
Connectors .................................... (3) 3.5 mm mini stereo jacks
Impedance ..................................... >3k ohms, balanced/unbalanced, AC coupled
Nominal level ................................. -10 dBV (316 mV)
Maximum level .............................. +8.5 dBu, (unbalanced) at 1%THD+N
NOTE: 0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV 2 dBu
Audio output
Number/signal type ........................ 2 stereo, balanced/unbalanced, PC level
1 summed stereo-to-mono on RJ-45
Connectors .................................... (1) 3.5 mm mini stereo audio jack (unbalanced)
(1) 3.5 mm captive screw connector 5-pole (1) RJ-45
Impedance ..................................... 50 ohms unbalanced, 100 ohms balanced
Gain error ...................................... ±0.1 dB channel to channel
Maximum level (Hi-Z)
Output 2 ................................. >+17 dBu, balanced or unbalanced at 1%THD+N
Maximum level (600 ohm)
Output 2 ................................. >+14 dBm, balanced or unbalanced at 1%THD+N
Control/remote — switcher
Serial control port .......................... RS-232, 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
Contact closure .............................. (2) 3.5 mm captive screw connector, 5 pole