Agilent / Keysight 86105B 15 GHz optical / 20 GHz electrical module 1000-1600 nm

The Keysight 86105B is a plug-in module for 86100 series oscilloscopes that combines optical and electrical measurement channels in a single instrument. It delivers 15 GHz optical bandwidth across the 1000–1600 nm wavelength range and 20 GHz electrical bandwidth, enabling signal integrity analysis and standards compliance verification for high-speed optical and electrical interfaces in telecommunications and datacom applications.

Technical Specifications

• Bandwidth: 15 GHz


• Wavelength range: 1000–1600 nm


• Fiber compatibility: 9/125 µm single-mode


• Characteristic RMS noise: 5 µW (10 GHz BW), 10 µW (15 GHz BW)


• Maximum average input power: 2 mW


• Sensitivity: −12 dBm @ 1310 nm


• Connector: FC/PC (2.5 mm keyway) Electrical Channel


• Bandwidth: 20 GHz


• Characteristic RMS noise: 0.25 mV (12.4 GHz BW), 0.5 mV (20 GHz BW)


• Maximum input signal: ±2 V dc


• Connector: 3.5 mm male

Key Features

• Dual-channel architecture supports simultaneous optical and electrical measurements


• External filter ports on front panel for selectable bandwidth filtering


• Reference receiver capability with options for supported data rates


• Supports SONET, Ethernet, Fibre Channel, optical InfiniBand, and electrical XAUI signaling


• OTN G.709 compliance up to 10.71 Gb/s

Data Rate Support Optical transmission characterization from 155 Mb/s through 10 Gb/s, including 622 Mb/s, 1.063 Gb/s, 1.25 Gb/s, 2.125 Gb/s, 2.488 Gb/s, 2.666 Gb/s, 9.953 Gb/s, 10.3125 Gb/s, 10.51875 Gb/s, 10.664 Gb/s, 10.709 Gb/s, and 11.317 Gb/s.

Compatibility & Integration The 86105B integrates with 86100A/B, 86100C, and 86100D Infiniium DCA mainframes. Firmware verification with specific mainframe revisions is recommended prior to deployment. The module is no longer in active production.