Product parameters:Interface 8x Audio Class 100/1000 Base-TLED; 1 × power indicator (green)1x Alert LED (Red).8 port status LEDs (link/activity).Master Clock Accuracy: 0.1ppm at 25°CEMI Absorber: Silent Angel Sound Absorber (SANA).Noise isolator main power circuit: 17.78dB@100MHzx2Clock generation c..