Reference Information, cont’d

Audio input — audio models only

Number/signal type

8, 12, 16, 24, or 32 stereo, balanced/unbalanced

Connectors

(8, 12, 16, 24, or 32) 3.5 mm captive screw connectors, 5 pole

Impedance

>10k ohm, balanced/unbalanced, DC coupled

Nominal level

0 dBu (775 mV)

Maximum level

+19.5 dBu, (balanced or unbalanced) at 0.01% THD+N

Input gain adjustment

-18 dB to +24 dB (default = 0 dB), adjustable per input by RS-232/422,

 

Ethernet, or front panel

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

Audio output — audio models only

Number/signal type

4, 8, 12, 16, 24, or 32 stereo, balanced/unbalanced

Connectors

(4, 8, 12, 16, 24, or 32) 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 0.10% THD+N

Maximum level (600 ohm)

>+15 dBm, balanced or unbalanced at 0.10% THD+N

Output volume range

0 to 64 (-75.8 dB to 0 dB) in 1 dB increments from steps 1 to 64, 12 dB

 

increment from step 0 to 1; default = 64 = 0 dB

Control/remote — switcher

Serial host control port

 

2412, 2424, 3216, 3232 Series

 

 

1 RS-232 or RS-422, rear panel 9-pin female D connector

All other models

1 bidirectional RS-232 or RS-422, rear panel 9-pin female D connector

 

1 bidirectional RS-232, front panel 2.5 mm mini stereo jack

Baud rate and protocol

9600 (default), 19200, 38400, 115200 baud (adjustable); 8 data bits, 1 stop bit,

 

no parity

Serial control pin configurations

 

RS-232

9-pin female D connector: 2 = TX, 3 = RX, 5 = GND

 

Mini stereo jack: tip = TX, ring = RX, sleeve = GND

RS-422

 

88, 816, 1212, 168, 1616 Series

 

9-pin female D connector: 2 = TX-, 3 = RX-, 5 = GND, 7 = RX+, 8 = Tx+

All other models

9-pin female D connector: 1 = TX+, 2 = TX-, 3 = Rx+, 4 = 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, DHCP, ICMP (ping), TCP/IP, Telnet, HTTP

Program control

Extron’s control/configuration program for Windows®

 

Extron’s Simple Instruction Set (SIS)

 

Microsoft® Internet Explorer, Telnet

B-4 CrossPoint 450 Plus and MAV Plus Switchers • Reference Information

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Extron electronic 450 Plus Series manual Reference Information, cont’d, Audio input audio models only