Extron electronic DVS 304 D manual Audio DVS 304 A, DVS 304 AD, Audio input DVS 304 A, DVS 304 AD

Output level	TTL: 5.0 Vp-p, unterminated
Input impedance	510 ohms
Output impedance	75 ohms
Max input voltage	5 Vp-p
Max. propagation delay	20 ns
Polarity	Positive or negative (selectable)

Audio — DVS 304 A, DVS 304 AD

Gain	Unbalanced output: 0 dB; balanced output: +6 dB
Frequency response	20 Hz to 20 kHz, ±0.05 dB
THD + Noise	0.03% @ 1 kHz at nominal level, 0 dB gain
S/N	>90 dB at maximum output (unweighted)
Crosstalk	<-103 dB, wideband, @ 1 kHz (20 Hz to 20 kHz), fully loaded
Stereo channel separation	>80 dB @ 1 kHz
CMRR	>75 dB @ 20 Hz to 20 kHz

Audio input — DVS 304 A, DVS 304 AD

Number/signal type	4 stereo, balanced/unbalanced
Connectors	(4) 3.5 mm captive screw connector, 5 pole
Impedance	>18k ohms unbalanced, 24k ohms balanced, DC coupled
Nominal level	+4 dBu (1.23 Vrms), -10 dBV (316 mVrms)
Maximum level	+18 dBu, (balanced or unbalanced) at 1%THD+N
Input gain adjustment	–15 dB to +9 dB, adjustable per input

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

Audio output — DVS 304 A, DVS 304 AD

Number/signal type	1 stereo, balanced/unbalanced
Connectors	(1) 3.5 mm captive screw connector, 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 1% THD+N
Maximum level (600 ohm)	>+15 dBm, balanced or unbalanced at 1% THD+N
Output volume range	0 to 100 (-52 dB to 0 dB) in 0.5 dB increments from steps 4 to 100, 1 dB
	increment from step 0 to 3)

Control/remote — decoder/scaler

Serial control port	RS-232, 9-pin female D connector
Baud rate and protocol	9600 baud, 8 data bits, 1 stop bit, no parity
Serial control pin configurations.	1	= input 1 select
	2	= TX
	3	= RX
	4	= input 2 select
	5	= GND
	6	= input 3 select
	7	= input 4 select
	8	= n/a
	9	= n/a (reserved)
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, SMTP

DVS 304 • Reference Material B-3