• Eight input models for stereo audio
• Input autoswitching capabilities
• 9-pin contact closure remote control
• RS-232 control
• 1U, full rack width rack metal enclosure
• Internal international power supply

Video
Gain	Unity
Bandwidth
Composite video 4, 6, and 8 input models	300 MHz (-3dB)
S-video models and composite video 12 input models	250 MHz (-3dB)
Differential phase error	<1.0º at 3.58 MHz and 4.43 MHz
Differential gain error	<1.0% at 3.58 MHz and 4.43 MHz
Crosstalk	<-60dB @ 5 MHz
Switching speed	<20 ms (max.)
Video input
Number/signal type
SW 6/8/12V, SW 4/6/8/12AV/AV RCA, SW 6/8/12A/A RCA	4, 6, 8, or 12 (depending on the model) composite video
SW 6/8/12 SV, SW 4/6/8/12SVA/SVA RCA	4, 6, 8, or 12 (depending on the model) S-video
Connectors
SW 6/8/12V, SW 4/6/8/12AV/AV RCA, SW 6/8/12A/A RCA	4, 6, 8, or 12 (depending on the model) BNC female
SW 6/8/12 SV, SW 4/6/8/12SVA/SVA RCA	4, 6, 8, or 12 (depending on the model) 4-pin mini DIN female
Nominal level	1V p-p for Y of S-video, and for composite video 0.3V p-p for C of S-video
Minimum/maximum levels	0.4V to 2.0V p-p with no offset
Impedance	75 ohms
Return loss	<-40dB @ 0 to 10 MHz
DC offset (max. allowable)	5.0V
Video output
Number/signal type
Composite video models	2 buffered composite video
S-video models	1 buffered S-video, 1 buffered composite video
Connectors
Composite video models	2 BNC female
S-video models	1 BNC female, (1) 4-pin mini DIN
Nominal level	1V p-p for Y of S-video, and for composite video 0.3V p-p for C of S-video
Minimum/maximum levels	0.4V to 2.0V p-p (follows input)
Impedance	75 ohms
Return loss	<-30dB @ 5 MHz
DC offset	±5mV with input at 0 offset
Switching type	Vertical interval switching
Sync
Genlock connectors	2 BNC female (1 input, 1 loop-through)
Standards	NTSC 3.58, NTSC 4.43, PAL, SECAM
Audio
Gain	Adjustable When gain is set to unity (0dB), balanced output from captive screw connectors or unbalanced output from RCA connectors will have a 0dB gain; unbalanced output from captive screw connectors will be attenuated by 6dB.
Frequency response	20 Hz to 20 kHz, ±0.5dB
THD + Noise	<0.04% @ 1 kHz at nominal level
S/N	>90dB at maximum output (unweighted)
Audio input
Number/signal type
SW 6/8/12V, SW 4/6/8/12AV, SW 6/8/12 SV, SW 4/6/8/12SVA, SW 6/8/12A	4, 6, 8, or 12 (depending on the model) stereo, balanced/unbalanced
SW 4/6/8/12AV RCA, SW 4/6/8/12SVA RCA, SW 6/8/12A RCA	4, 6, 8, or 12 (depending on the model) stereo, unbalanced
Connectors
SW 6/8/12V, SW 4/6/8/12AV, SW 6/8/12 SV, SW 4/6/8/12SVA, SW 6/8/12A	4, 6, 8, or 12 (depending on the model) 3.5 mm captive screw connectors, 5 pole
SW 4/6/8/12AV RCA, SW 4/6/8/12SVA RCA, SW 6/8/12A RCA	8, 12, 16, or 24 (depending on the model) RCA female
Impedance	>25 kohms unbalanced, 50 kohms balanced, AC/DC coupled
Nominal level	+4dBu (1.23Vrms), 0dBu (0.775Vrms), -10dBV (316mVrms), -20dBV (100mVrms), configurable
Maximum level	>+15dBu, (balanced or unbalanced) at 1%THD+N
Input gain adjustment	18dB to +24dB, adjustable per input
NOTE    0dBu = 0.775Vrms, 0dBV = 1Vrms, 0dBV ≈ 2dBu.
Audio output
Number/signal type
SW 6/8/12V, SW 4/6/8/12AV, SW 6/8/12 SV, SW 4/6/8/12SVA, SW 6/8/12A	2 stereo, balanced/unbalanced
SW 4/6/8/12AV RCA, SW 4/6/8/12SVA RCA, SW 6/8/12A RCA	1 stereo, unbalanced
Connectors
SW 6/8/12V, SW 4/6/8/12AV, SW 6/8/12 SV, SW 4/6/8/12SVA, SW 6/8/12A	(2) 3.5 mm captive screw connectors, 5 pole
SW 4/6/8/12AV RCA, SW 4/6/8/12SVA RCA, SW 6/8/12A RCA	2 RCA female
Impedance	50 ohms unbalanced, 100 ohms balanced
Gain error	±0.1dB channel to channel
Nominal level	+4dBu (1.23Vrms), 0dBu (0.775Vrms), -10dBV (316mVrms), -20dBV (100mVrms), configurable
Maximum level (Hi-Z)	>26dBu, balanced; >+20dBu, unbalanced at 1%THD+N
Maximum level (600 ohm)	>21dBm, balanced; >+15dBm, unbalanced at 1%THD+N
Control/remote — switcher
Serial control port	RS-232, 9-pin female D connector (also used for contact closure for 4- and 6-input models)
Baud rate and protocol	9600, 8-bit, 1 stop bit, no parity
Serial control pin configurations	2 = TX, 3 = RX, 5 = GND
Contact closure (SW 4/6 ___)	(1) 9-pin female D connector (also used for RS-232)
Contact closure pin configurations (SW 4/6 ___ models only)	1 = input 1, 4 = input 2, 5 = GND, 6 = input 3, 7 = input 4, 8 = input 5, 9 = input 6
IR controller module	Extron IR 102 kit (optional)
Program control	Extron's control program for Windows® Extron's Simple Instruction Set™ SIS™
General
Power	100VAC to 240VAC, 50/60 Hz, 20 watts, internal, autoswitchable
Temperature/humidity	Storage -40° to +158°F (-40° to +70°C) / 10% to 90%, noncondensing Operating +32° to +122°F (0° to +50°C) / 10% to 90%, noncondensing
Rack mount	Yes, with included brackets, part #70-077-03. Also under-desk mountable with optional kit #70-222-01.
Enclosure type	Metal
Enclosure dimensions	1.75" H x 17.4" W x 8.5" D (1U high, full rack width) 4.4 cm H x 44.2 cm W x 21.6 cm D (Depth excludes connectors.)
Product weight	7.0 lbs (3.2 kg)
Shipping weight	10 lbs (5 kg)
Vibration	ISTA 1A in carton (International Safe Transit Association)
Listings	UL, CUL
Compliances	CE, FCC Class A, VCCI, AS/NZS, ICES
MTBF	30,000 hours