Extron electronic 12800 manual Audio- audio BME

Input impedance	Inputs 1 - 32: 510 ohms or 75 ohms, switchable
	Inputs 33 - 128: 510 ohms
Output impedance	75 ohms
Horizontal frequency	15 kHz to 150 kHz
Vertical frequency	30 Hz to 150 Hz
Polarity	Positive or negative (follows input)

Audio— audio BME

Routing	16 x 16 up to 128 x 128 mono or stereo matrix (in increments of 16),
	balanced/unbalanced
Gain (selectable per output)	Unbalanced output: 0dB (as shipped), or -6 dB (jumper-selectable)
	Balanced output: +6 dB (as shipped), or 0 dB (jumper-selectable)
Frequency response	20 Hz to 20 kHz, ±0.05 dB
THD + Noise	0.03% @ 20 Hz to 20 kHz, +15 dBu input, +21 dBu output
S/N	>85 dB, balanced, at rated maximum output
Crosstalk	<-70 dB @ 20 Hz to 20 kHz fully loaded
Stereo channel separation	>70 dB @ 20 Hz to 20 kHz
CMRR	>+75 dB, 20 Hz to 20 kHz

Audio input— audio BME

Number/signal type	16 to 128 (in increments of 16) mono or stereo, balanced/unbalanced
Connectors	(16 to 128) 3.5 mm captive screw connectors, 5 pole
Impedance	>10k ohms unbalanced/balanced, DC coupled
Nominal level	+4 dBu (1.23V), 0 dBu (0.775 V), -10 dBV (316 mV), -20 dBV (100 mV)
Maximum level	+21.5 dBu, (balanced or unbalanced) at 1%THD+N
Input gain adjustment	-24 dB to +9 dB, adjustable per input via RS-232 control or front panel

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

Audio output— audio BME

Number/signal type	16 up to 128 (in increments of 16) mono or stereo, balanced/unbalanced
Connectors	(16 to 128) 3.5 mm captive screw connectors, 5 pole (quantity varies with
	configuration)
Impedance	50 ohms unbalanced, 100 ohms balanced
Gain error	±0.1 dB channel to channel
Maximum level (Hi-Z)	>+26.0 dBu, balanced at 1%THD+N
Maximum level (600 ohm)	>+24.0 dBm, balanced at 1%THD+N

Control/remote — switcher

Serial control port	RS-232 or RS-422, female 9-pin D connector
Baud rate and protocol	9600 baud, 8 data bits, 1 stop bit, no parity
Serial control pin configurations.	2 = TX, 3 = RX, 5 = GND
Ethernet control port	1 female RJ-45 connector
Ethernet data rate	10/100Base-T, half/full duplex with autodetect
Ethernet protocol	ARP, ICMP (ping), IP, TCP, HTTP, SMTP, Telnet
System intercommunications	2 RJ-45 connectors
Remote key pad control	(2) 5 mm, 5-pole captive screw connectors
Program control	Extron control/configuration program for Windows®
	Extron Simple Instruction Set (SIS™)
	Microsoft® Internet Explorer®, Netscape® Navigator®, Telnet

Matrix 12800 Switchers • Reference Information B-3