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Aurora's OP91M2S family of 1310/1550 nm mux units, in typical applications, accept input signals at 1310 nm and 1550 nm, multiplexing them to produce a common output signal to the fiber network.

These modules may also be used in bi-directional applications for counter-propagating 1310 nm and 1550 nm signals. In such cases, for example, a downstream 1550 nm signal might enter the unit at the COM port and exit from the 1550 port to continue downstream. Conversely, 1310 nm return signals enter the 1310 port and continue upstream through the COM port, utilizing the same single fiber for bi-directional transmission.

These modules may easily be mounted in the fiber tray of an optical node such as Aurora's Virtual Hub.

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