La description

Compact: Optical switches of 1 x 16 port configuration in a two-slot size module Compatible with SMF(10/125µ,m) or MMF(50/125µ,m) Low insertion loss: 1.0 dB (typ.) High switching reproducibility: within ±0.01 dB Can be combined with various AQ2200 series modules or other Yokogawa's optical communication measuring instruments to build versatile measuring systems
The AQ2200-412 OSW module is a space-saving 1 x 16 optical switch featuring low insertion loss and superior switching reproducibility, in a two-slot size module. This module allows to connect up to 16 DUT and improve testing efficiency in automatic test system.''