This E1 BER (Bit Error Rate) tester is a compact, multi-functional, handheld E1 line test instrument, specially designed for installation and maintenance. It features self-check and keyboard testing, extensive error and alarm generation, detection and indication.
This advanced diagnostic tool for optical fibres allows the Fibre Engineer to take a snapshot of a fibre link. The OTDR sends short pulses of light down one end of a fibre at a specified repetition rate.