ST UPC Duplex OS2 Fiber Adapter with Flange, 10pcs/Pack
For Tanzanian site work, correct product selection should be followed by careful transport, connector inspection and retention of the fiber records. ST UPC Duplex OS2 Fiber Adapter with Flange couples two fiber connectors into one continuous optical route. Inside the housing, a zirconia ceramic sleeve holds both ferrules on a common axis, keeping insertion loss low and reliably repeatable across hundreds of mating cycles. The flanged housing screws directly to the rack-mounted panel cutout for a permanent, vibration-proof mounting.
Product Highlights
- Zirconia Ceramic Sleeve with High Precision Alignment
- Protective Dust Cover Keeps the Inside of The Adapter Clean From Dust
- Threaded Adapter for Easy Installation and Removal
- ≤0.2dB (Typical) Low Insertion Loss
- ST Guarantees for Long-term Stable Mechanical Properties and Repeated Matching
Specifications
| Body Style | Duplex |
|---|---|
| Polish Type | UPC |
| Fiber Mode | OS2 |
| Insertion Loss | ≤0.2dB |
| Durability | 1000 times |
| Mounting Type | Full flanged |
| RoHS Compliancy Status | Compliant |
| Operating Temperature | -40 to 85℃(-40 to 185℉) |
| Storage Temperature | -10 to 60℃(14 to 140℉) |
Why the alignment sleeve decides adapter quality
Every optical adapter is, at heart, a sleeve alignment problem: two connector ferrules must meet on one axis with their end faces touching, and any eccentricity shows up directly as insertion loss. Zirconia ceramic is the standard sleeve material since it machines to sub-micron tolerance, resists wear across repeated matings and holds its dimensions through temperature swings. The adapters in this range use zirconia sleeves rated for insertion loss of 0.2 dB or better, which keeps an adapter pair well inside any optical link budget.
Bulk packs and the economics of sparing
Panel work consumes adapters in dozens, not singles: a frame reload takes a full pack, and the spares kit must hold more against breakage, contamination and the optical adapter that vanishes during a hurried re-entry. The ten-piece pack format matches that reality - one pack per panel location covers the load-out with spares, and the unit cost drops well below single-piece pricing. Bulk packs further guarantee that every adapter on the rack-mounted panel is the identical revision, the identical color and the identical sleeve quality.
Kit planning for panel installation
A disciplined panel installation kit counts everything before the van leaves: adapters at one pack per panel plus a spare, caps for every unused port, the screws or clips the rack-mounted panel needs, and the cleaning supplies that keep end faces serviceable. Adapters are the cheapest line on that list and the one whose absence stops the job outright. The bulk pack format makes the counting simple - two packs per location and the location is covered, installed and spared.
Flanged and flangeless mounting compared
A flanged adapter fastens to the rack-mounted panel with two screws through the mounting ears: the joint is rigid, resists vibration and stays put for years, which suits frames and enclosures that move or ship. A flangeless adapter snaps into the cutout on spring latches: unit is faster, density is higher, and a failed adapter swaps out in seconds without tools. Most panel families accept one style or the other; thus, the option follows the rack-mounted panel hardware already in the plant.
What adapter testing actually measures
An adapter contributes no signal of its own; thus, its test is a mating test: reference connectors mate through the optical adapter, and the inserted loss is recorded. A zirconia-sleeve adapter should add no more than 0.2 dB, and the mating must repeat that figure across cycles. Durability testing runs the mating hundreds of times and re-measures - a sleeve that wears loose announces itself as creeping loss. These figures, not the housing color, are what separates an adapter that serves for years from one that becomes the mystery fault.
Selecting the right adapter for the panel
Five decisions define the optical adapter order: the connector being used pairing should be matched to both sides of the mating, the mounting style must fit the rack-mounted panel cutout, the polish color code should be matched to the plant, the sleeve material must suit the operation grade, and the count must cover the load-out plus spares. Getting all five right at order time is what turns a bag of couplers into a dependable panel. Where the pairing crosses connector families, the hybrid range covers the common conversions.
Factory Quality Control and Testing
Every adapter is inspected before packing: the sleeve bore is checked for alignment and surface finish, the housing latches are cycled for positive engagement, and sample matings from each production lot are measured for insertion loss. Accessories are checked for fit against the adapters they serve. For Tanzanian site work, keep this requirement with the field checklist and the delivered product records.
Purchase and Factory Support
Refer to this adapter by connector pairing, mounting style, polish grade and pack number of units when purchasing a quotation. For configurations outside the listed options - mixed packs, panel hardware kits or project packaging - send the specification with the request and the factory will ensure the manufacturable specification. For Tanzanian deliveries, the order details should include any site identification needed by the installation team.
