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Tektronix ORR-24
SONET/SDH 2.488GB/s 1310nm/1550nm reference receiver
Tektronix ORR-24

Compatible with 11800-series scopes

Produced from (?) to (?)

(All manuals in PDF format unless noted otherwise)
Manuals – Specifications – Links – Pictures

The Tektronix ORR-24 Optical Reference Receiver is an optical/electrical converter plug-in for 11800 / CSA803 series scopes with a bandwidth from DC to 2 GHz and input wavelength range of 1100 nm to 1650 nm. The input has an FC/PC connector, the output is through an SMA connector to a sampling head in a neighboring plug-in slot. The mainframe only supplies power, there is no signal connection on the back.

From Tektronix' site:

The Synchronous Data Hierarchy (SDH) and the Synchronous Optical NETwork (SONET) standards are the cornerstones of today's high-speed digital telecommunications systems. The Tektronix ORR24 optical reference receiver provides an important interface for compliance testing of SDH/SONET optical transmission products or components.

The amplified design of the ORR24 converts the incoming optical light into a high gain, low noise electrical signal. This allows easy testing of optical designs as well as repeatable measurements. The ORR24 is DC coupled which is required for accurate extinction ratio measurements.