GLOBALfiber MPOF-8LCOM4-UPCFF-xx is an OM4 multimode MPO-to-LC fanout cable for distributing a multi-fiber connection to LC terminations. The documented product uses polarity B.
Connector compatibility and polarity
Which MPO cable configuration is required? Match the fiber class, contact count, connector gender, polish and polarity to both ends of the complete connection. A breakout cable does not create breakout support in a switch or transceiver. The product description lists QSFP+ to four SFP+ and QSFP28 to four SFP28 applications when the optics and host support the required split mode. UPC polish must match the mating port.
Key specifications
| Specification | Details |
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| Product family | MPOF-8LCOM4-UPCFF-xx |
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| Cable type | MPO-to-LC fanout / breakout |
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| Fiber type | OM4 multimode, 50/125 µm |
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| Fiber count | 8 |
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| Connector, end A | MPO/UPC, female (without guide pins) |
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| Connector, end B | LC terminations; confirm exact LC polish and fanout arrangement |
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| Polarity | Type B (crossed) |
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| Performance grade | Standard and Elite/Low series values differ; confirm the ordered grade before using an insertion-loss value |
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| Jacket | Several jacket options are described in the series datasheet; confirm the ordered execution |
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| Quality control | 100% tested, according to the series documentation |
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| Length | Select the required length in the product variant list |
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Installation requirements
Check guide-pin compatibility and the complete polarity map through every adapter, cassette and cable. Clean and inspect both end faces before mating. Verify the transceiver optical interface, fiber lane allocation and loss budget. Never assume that the series list of 40G/100G/200G/400G applications guarantees a specific speed or reach for this ordered assembly.
The linked datasheet includes wider series options. Only the configuration identified for this product is listed above; custom lengths or alternative fiber/gender options are not assumed to be stocked variants.
Technical source: Product / series datasheet.