Commander Installation Guide

9.SPECIFICATION

9.1GENERAL

Max. Number of Ports384, 96 per 6U Frame, expandable in 6 port units

9.2MATRIX AUDIO SPECIFICATION (USING 500-06-02 MATRIX CARDS)

Port Type

4 wire electronically balanced

Frequency Response

-3dB @ 25Hz and 15.5kHz

Nominal Gain

0dB ± 1dB

Gain Adjustment Range

+12dB / -37dB from PathFinder

Maximum Input Level

+20dBu

Crosstalk

< -60dB worst case

Noise

< -55dBu CCIR weighted, quasi-peak

Distortion

< 0.2% THD @ 0dB gain

Input Impedance

~10kR

Output Impedance

Low (<20R)

9.3REAL TIME PERFORMANCE

Transmission time delay <50ms (defined as time taken from a key press to the audio reaching the destination). Based on statistical analysis of the likely number of keys presses etc. at any given instant.

9.4PANELS

Panel Communication

Power

Maximum cable run

Connection to Matrix

L/S Volume Control

Microphone amplifier gain adjustment

Loudspeaker amplifier

Balanced RS422 at 230.4 kbaud See individual sections >600m.

4 twisted pair cable. STP or FTP only:

Max attenuation or hold off adjustable from -

20to -76dB in PathFinder +14 to -16dB from PathFinder Nominal 5W into 8R

Trilogy Communications Limited

Issue 9

Page 77 of 81

Page 77
Image 77
Trilogy Touch Technology 9 General, Matrix Audio Specification Using 500-06-02 Matrix Cards, Real Time Performance, Panels