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CATV
LAN & WAN
Telecommunication networks
PON (Passive Optical Network)
FTTX, FTTH (Fiber to the Home)
Low insertion loss
High return loss
Good repeatability
Good interchangeability
High temperature stability
ST connectors have a key which prevents rotation of the ceramic ferrule, and a bayonet lock similar to a BNC shell. The single index tab must be properly aligned with a slot on the mating receptacle before insertion; then the bayonet interlock can be engaged, by pushing and twisting, locking at the end of travel which maintains spring-loaded engagement force on the core optical junction.
ST connector refer to having a straight tip, as the sides of the ceramic tip are parallel—as opposed to the predecessor bi-conic connector which aligned as two nesting ice cream cones would.
Specifications:
Mode | SM | MM | |
Polishing | UPC | APC | UPC |
Insertion Loss | ≤0.3dB | ≤0.3dB | ≤0.3dB |
Return Loss | ≥55dB | ≥65dB | ≥35dB |
Operating Wavelength | 1310nm, 1550nm | 850nm, 1300nm | |
Ferrule Concentricity | ≤1um | ≤4um | |
Interchangeability | ≤0.2dB | ||
Salt Spray | ≤0.2dB | ||
Repeatability | ≤0.1dB (1,000 times) | ||
High Temperature | ≤0.2dB (+85°C 168 hours) | ||
Low Temperature | ≤0.2dB (-40°C 168 hours) | ||
Temperature Cycle | ≤0.2dB (-40°C~85°C 21 cycles 168 hours) | ||
Humidity | ≤0.2dB (95% 75°C 168 hours) | ||
Durability | ≥1,000 Times | ||
Vibration | ≤0.1dB (10-55Hz 1.5mm) | ||
Falling | ≤0.2dB (1.5m high, 8 times) | ||
Operating Temp. | -40°C~+85°C | ||
Name | Connector | |
Type | ST | |
Polishing Endface | UPC; APC | |
Fiber Count | Simplex (SX); Duplex (DX) | |
Mode | SM; MM (OM1; OM2; OM3; OM4) | |
Color | Outer Housing | Blue; Orange; Green; Brown; Gray; White; Red; Black; Yellow; Fuchsia; Pink; Aqua Green |
Boot | ||
Clip | ||
Cable Diameter | 0.9mm; 2.0mm; 3.0mm | |
Insertion Loss | 0.3dB; 0.1dB | |
Assembling Situation | Before Assembling; Half after Assembling | |
For Example:
Connector ST/UPC, SX, SM, blue color, 2.0mm cable, 0.3dB insertion loss, half after assembling.
