For example: Agilent E4440A or Anritsu 68369
Optical
Keysight / Agilent 11982A
Amplified Lightwave Converter, 1200nm to 1600nm, DC to 15 GHz BW
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Manufacturer: Keysight / Agilent
Keysight / Agilent 81000LI
LC Connector interface for source modules
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Manufacturer: Keysight / Agilent
Keysight / Agilent 81000MI
Connector Interface for source module only,connector type MU
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Manufacturer: Keysight / Agilent
Keysight / Agilent 81000PI
Connector interface E-2000 (sensor only)
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Manufacturer: Keysight / Agilent
Keysight / Agilent 81001FA
Connector Adapter FC/PC/SPC/APC (D-Shape)
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Manufacturer: Keysight / Agilent
Keysight / Agilent 81002LI
Connector Interface (LC) for power sensor
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Manufacturer: Keysight / Agilent
Keysight / Agilent 81490A
Reference Transmitter for IEEE 802.3ae optical receiver stress test
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Manufacturer: Keysight / Agilent
Keysight / Agilent 81570A
Variable Optical Attenuator Module with Straight Interface
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Manufacturer: Keysight / Agilent
Keysight / Agilent 81571A
Variable Optical Attenuator Module with Angled Interface
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Manufacturer: Keysight / Agilent
Keysight / Agilent 81578A
Variable Optical Attenuator Module for Multimode Fiber Applications
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Manufacturer: Keysight / Agilent
Keysight / Agilent 86111A
Dual Optical 3 GHz (multimode, amplified) Plug-In Module
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Manufacturer: Keysight / Agilent
Keysight / Agilent 86111U
Dual Optical 15 GHz (multimode, unamplified) Plug-In Module
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Manufacturer: Keysight / Agilent
Keysight / Agilent 86113A
3 GHz dual channel amplified optical module
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Manufacturer: Keysight / Agilent
Keysight / Agilent 86115B
Dual Optical 28 GHz (single-mode, unamplified) Plug-In Module
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Manufacturer: Keysight / Agilent
JDSU FFL- 100 VFL
JDSU FFL-100 Ruggedized Visual Fault Locator, with 2.5 mm Fixed Connector and 1.25 mm Adapter
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Manufacturer: JDSU
JDSU FVD-2080
Digital fiber inspection bench-top microscope (80X); USB 2.0; FiberChek2 software; FMA adapter: universal 2.5 mm connectors
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Manufacturer: JDSU
JDSU FVD-2200
Digital fiber inspection bench-top microscope (200X); USB 2.0; FiberChek2 software; FMA adapter: universal 2.5 mm connectors
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Manufacturer: JDSU
JDSU FVD-2400
Digital fiber inspection bench-top microscope (400X); USB 2.0; FiberChek2 software; FMA adapter: universal 2.5 mm connectors
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Manufacturer: JDSU
JDSU FVD-2400-L
Digital fiber inspection long working distance (LWD) bench-top microscope (400X); USB 2.0; FiberChek2 software; FMA adapter: universal 2.5 mm connectors
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Manufacturer: JDSU