ADC EDU-409 Manuel D’Utilisation

Alarm Indicator Signal

Capacitor

EDU to Customer loopback 

Cyclic Redundancy Check

Digital Data Service

HiGain E1 Doubler Unit

HiGain E1 Line Unit

HiGain E1 Remote Unit

Filter

Ground Fault Detection

High Capacity Digital Service

High bit-rate Digital Subscriber Line

HiGain Remote Enclosure

Kilo (thousand) Bits Per Second, sometimes written Kb/s

Mega (million) Bits Per Second, sometimes written Mb/s

EDU to Network Loopback

Plain Old Telephone Service

Pressure

Return Material Authorization

Special Loopback