SM adapters
Single mode adapters are mostly either blue (UPC) or green (APC). They are colour coded so that installers can deduce the type of mating connector easily. SM adapters have stricter specs than MM adapters. It is due to the size of the fiber core. APC adapters have even stricter standards than UPC adapters. Our SM adapters are One Piece models, i.e. the outer shell is cast from one part. It is therefore not possible for adapters to break in two, as in two-part models.
Single mode adapters
SC/SC-simplex

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7262038 (Seikoh Giken)
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7268991 (HJ3W)
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SC/SC SM-simplex-adapter, for SC-UPC-connectors
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Colour blue
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One Piece model

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7264740 (Seikoh Giken)
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7268997 (HJ3W)
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SCA/SCA SM-simplex-adapter, for SC-APC-connectors
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Colour green
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One Piece model
SC/SC-duplex

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7262039 (Seikoh Giken)
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7268985 (HJ3W)
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SC/SC SM-duplex-adapter, for SC-UPC-connectors
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Colour blue
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One Piece model

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7264741 (Seikoh Giken)
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7268995 (HJ3W)
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SCA/SCA SM-duplex-adapter, for SC-APC-connectors
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Colour green
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One Piece model

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7269030
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SC/SCA SM-duplex-adapter
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Colour blue and green
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One side is for SC-UPC connectors and the other is for SC-APC connectors
LC/LC-simplex

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7269031
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LC/LC SM-simplex-adapter, for LC-UPC-connectors
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Colour blue
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One Piece model

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7269018
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LCA/LCA SM-simplex-adapter, for LC-APC-connectors
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Colour blue
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One Piece model
LC/LC-duplex

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7262040 (Seikoh Giken)
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7268987 (HJ3W)
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LC/LC SM-duplex-adapter, for LC-UPC-connectors
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Colour blue
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One Piece model

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7264761 (Seikoh Giken)
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7268993 (HJ3W)
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LCA/LCA SM-duplex-adapter, for LC-APC-connectors
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Colour green
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One Piece model
LC/LC-quattro

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7268989
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LC/LC SM-QUAD-adapter, for LC-UPC-connectors
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Colour blue
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One Piece model

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7268994
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LCA/LCA SM-QUAD-adapter, for LC-APC-connectors
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Colour green
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One Piece model