Optical distribution rack-mounted cross-country NTSS

Optical cross - is one of the basic components in construction of communication networks.
Cross-country article: NTSS-RFOB-UU-QQQ-AA/P-FF-SPLLGDA, where
UU-height from 1U to 4U
QQ number of ports
AA adapter type, where:
2LC for duplex adapter LC
SC for Simplex adapter SC
2SC for duplex adapter SC
FC for Simplex adapter FC
ST for Simplex adapter ST
/Pigtail polishing type
FFcharacteristic of optical fibre, where:
62.5 for OM1 fibres with core diameter 62.5/125 µm
50 for OM2 fibres with core diameter 50/125 µm
503 for OM3 fibres with a core diameter of 50/125 µm
504 for OM4 fibres with core diameter 50/125 µm
9 for OS2 single-mode fibres
S number of splice cassettes
PLL length of the installation cord, where:
P1.5 cord 1.5 m, terminated with a connector on the 1st side
P2*1.5 cord 1.5 m, terminated with connectors on 2 sides.
G type of heat shrink sleeves KDZS
D type of strips
A availability of optical adapters
Part of the article may be missing