EXFO OTDR 2 - Manual (Page 9)

OTDR 1
1 Introducing the OTDR
The OTDR allows you to characterize a fiber-optic span, usually optical
fiber sections joined by splices and connectors. The optical time domain
reflectometer (OTDR) provides an inside view of the fiber, and can
calculate fiber length, attenuation, breaks, total return loss as well as
splice, connector and total losses.
Note: In this documentation, the words “tap” and “double-tap” (related to the
use of a touchscreen) replace the words “click” and “double-click”.
OTDR port (singlemode live)
OTDR port (singlemode)
Active LED
(on when laser is emitting)
MAX-700 Series