A-3
DVS 304 • Appendix
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
0 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 = hardwired IR
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
Contact closure ............................ 9-pin female D connector (same as RS-232 connector)
Contact closure pin configurations See pins 1, 4, 5, 6, and 7 above
IR controller module ................... Extron IR 901 (optional)
Program control .......................... Extron’s control/configuration program for Windows
®
Extron’s Simple Instruction Set (SIS
™
)
Microsoft
®
Internet Explorer, Telnet
im Vertrieb von
CAMBOARD Electronics
www.camboard.de
Tel. 07131 911201
Fax 07131 911203
