MDC UPC 2 Channels (4F) OS2 Fiber Adapter without Flange
For Tanzanian site work, correct product selection should be followed by careful transport, connector inspection and retention of the fiber records. %s belongs to the very-small-form-factor generation of fiber connectivity. Compared with a duplex LC location, the VSFF interface carries the identical two fibers in roughly half the rack-mounted panel space, which is what makes 200G, 400G and 800G breakout panels physically possible at high port counts. The optical adapter holds the ferrules aligned and latches the installed connectors positively.
Product Highlights
- Stainless Steel Clips for Tool-less Snap-in Installation
- Compatible with Standard LC Duplex Adapter Panel and FHD® Multimedia Panel
- Apply to 200G/400G QSFP-DD/QSFP Hyperscale Data Centers
- 2x Fiber Cabling Density over Duplex LC Adapters
- ≤0.2dB (Typical) Low Insertion Loss
Specifications
| Connector Type | US Conec MDC-MDC |
|---|---|
| Body Style | 2-Port |
| Polish Type | UPC |
| Fiber Mode | OS2 9/125μm |
| Insertion Loss | ≤0.2dB |
| Durability | 200 times |
| Mounting Type | Reduced Flanged |
| Color | Blue |
| Flammability Rate | UL 94V-0 |
| RoHS Compliancy Status | Compliant |
| Operating Temperature Range | -40 to 75℃(-40 to 167℉) |
| Storage Temperature Range | -40 to 75℃(-40 to 167℉) |
| Color coded for rapid identification of single-mode fiber patterns | Questions & Answers |
Phosphor bronze and zirconia sleeves compared
Two sleeve materials dominate the optical adapter market. Zirconia ceramic sleeves give the tightest alignment and are the correct option for single-mode and high-operation multimode work, where core geometry leaves no room for eccentricity. Phosphor bronze sleeves serve legacy multimode and metallic-ferrule connectors where the tolerance specification is looser and the cost matters more. Matching the sleeve to the application keeps both operation and budget under control.
Very small form factor connectivity
Since the duplex LC became the bottleneck of panel density, VSFF interfaces - CS, SN, MDC and MMC among them - exist. A CS or SN location carries two fibers in about half the LC duplex space, and an MMC carries sixteen in the space of a small module. The adapters that mount these interfaces hold the identical optical discipline as their larger ancestors: precision sleeves or guide-pin alignment, positive latching and keyed orientation. The reward is a panel that serves 400G and 800G breakout optics at full port count.
Planning a VSFF panel position
VSFF adapters belong wherever breakout optics meet the fiber plant: a 400G-DR4 transceiver breaks to four duplex positions, and at CS or SN density those four positions fit beside their neighbors without a larger chassis. Plan the rack-mounted panel around the transceiver roadmap - the optical adapter footprint follows the connector being used, and the connector being used follows the optics. Keeping spare VSFF adapters in the site kit is cheap insurance, since the format is new sufficient that local stockists rarely carry it.
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.
