B-3Integration Seamless Switcher • Reference Information

Audio
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 rated maximum output
Crosstalk....................................... <-80 dB @ 1 kHz, fully loaded
Stereo channel separation .......... >90 dB @ 1 kHz
CMRR............................................ >75 dB @ 20 Hz to 20 kHz
Audio input
Number/signal type ................... 8 stereo, balanced/unbalanced
Connectors ................................... (8) 3.5 mm captive screw connectors, 5 pole
Impedance .................................... >10 kohms unbalanced/balanced, DC coupled
Nominal level............................... +4 dBu (1.23 V), -10 dBV (316 mV)
Maximum level ............................ +19.5 dBu, (balanced or unbalanced) at 1%THD+N
Input gain adjustment................. –24 dB to +9 dB, adjustable per input
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) ................ >+21 dBu, balanced or unbalanced at stated %THD+N
Maximum level (600 ohm) ......... >+15 dBm, balanced or unbalanced at stated %THD+N

0 dBu = 0.775 volts (RMS).

Control/remote — switcher
Serial control port ........................ RS-232, 9-pin female D connector
Baud rate and protocol ............... 9600, 8-bit, 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, ICMP (ping), TCP/IP, Telnet
Program control .......................... Extron’s control program for Windows®
Extron’s Simple Instruction Set™ – SIS™
Microsoft Explorer, Netscape Navigator, Telnet
General
Power ............................................ 100 VAC to 240 VAC, 50/60 Hz, 60 watts, internal, auto-switchable
Temperature/humidity.............. Storage -40° to +158°F (-40° to +70°C) / 10% to 90%, non-condensing
Operating +32° to +122°F (0° to +50°C) / 10% to 90%, non-condensing
Rack mount .................................. Yes
Enclosure type.............................. Metal
Enclosure dimensions ................. 5.25" H x 17.5" W x 11.2" D (3U high, full rack width)
13.3 cm H x 44.5 cm W x 28.4 cm D
(Depth excludes connectors and knobs. Width excludes rack ears.)
Product weight............................. 11.2 lbs (5.1 kg)
Shipping weight........................... 17 lbs (7.7 kg)
DIM weight............... 21
Vibration....................................... ISTA/NSTA 1A in carton (International Safe Transit Association)