Main type series of direct buried optical fiber cable (types/descriptions/applications):
1) GYTA53:
a) Central metal strength member, stranded loose tube, aluminum tape shielding,
corrugated steel tape armoring, black PE sheath outdoor optical cable
b) Core network/metropolitan area network/access network
2) GYTA33:
a) Central metal strength member, stranded loose tube, aluminum tape shielding,
single layer of steel wires, black PE sheath outdoor optical cable
b) Core network/metropolitan area network/access network
3) GYTY53:
a) Central metal strength member, stranded loose tube, corrugated steel tape
armoring, black PE sheath outdoor optical cable
b) Core network/metropolitan area network/access network
4) GYFTA53:
a) Non-metal central strength member, stranded loose tube, aluminum tape
shielding, corrugated steel tape armoring, black PE sheath outdoor cable
b) Core network/metropolitan area network/access network