Initial PON (1990s) were based on ATM framing (APON, BPON), ATM-based BPON were inefficient, majority of traffic through the access network was IP traffic, Ethernet based PON (EPON), QOS-aware Gigabit Ethernet (GbE) (VLANs, prioritization, OAM) and integration with other Ethernet equipment, Gigabit-capable Passive Optical Network (GPON) proposed by FSAN members (Quantum Bridge et. al) – […]
Day: March 16, 2015
OTDR FAQ – 1
OTDR FAQ Gathering AFL Global OTDR FAQ OTDR FAQ 1: When do I need to use a launch cord (cable) with my OTDR? A: A launch cord ‘moves’ the effects of the OTDR’s own front panel connection away from the first connection in the link under test. This allows the OTDR to measure the loss […]