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N774 C Series
Keysight N774 C Series User Manual
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© Keysight T
echnologies 2021
Edition 2.0, April 2021
www
.k
eysight.com
109
Table of Contents
Safety Summary
3
Instrument Markings
5
South Korean Class a EMC Declaration
6
Compliance and Environmental Information
6
Declaration of Conformity
6
Table of Contents
7
General Operating Considerations
14
General Information
14
Operating Environment
15
Handling the Instrument
17
Storage, Carrying and Shipment
17
Rack Mount the Instrument
17
Obtaining Source Code
19
Getting Started
21
N774-C and 8162-C Series Instruments
22
N7742C and N7743C Optical Power Meter
22
N7744C and N7745C Optical Power Meter
23
N7747C and N7748C Optical High Performance Power Meter
24
N7749C Optical Head Interface
24
81620C, 81623C, 81624C, 81626C & 81628C Optical Power Head
25
N774-C Series Instrument's Front and Rear Panels
27
N7742C Power Meter
27
N7743C Power Meter
28
N7744C Power Meter
29
N7745C Power Meter
29
N7747C Power Meter
30
N7748C Power Meter
30
N7749C Optical Head Interface
31
N774-C Series Instrument's Rear Panel
32
Initial Inspection
33
Claims and Repackaging
33
Return Shipments to Keysight Technologies
33
Power Supply Requirements
35
Line Power Requirements
35
Optical Connections
37
Optical Head Adapters
37
Quad-Adapter Connections
42
8100Xxi Optical Module Connector Interfaces
44
Exchangeable Connector Interface N7742Xl
44
Electrical Connectors
45
Rear Panel Trigger BNC Connectors
45
Front Panel Analog Output BNC Connector
45
Optical Head Analog Output
46
Powering up the Instrument
47
Remote Interface
48
LAN Connection with a DHCP Server (Site LAN)
48
LAN Connection Without a DHCP Server (Private LAN)
49
USB Connection
50
Technical Overview
51
The LAN Status Indicators
51
The LAN Reset Button
52
Deleting User Data
53
Connecting the Instrument
54
Connecting over USB
54
Connecting over LAN
55
N774-C User Interface
58
Definition of Terms
59
Definition of Terms
61
Specification
61
Typical Value (Characteristics)
61
Operating Conditions
61
Specified Temperature
61
Ambient Temperature Range
61
(Applicable) Fiber Type
61
Averaging Time
62
Constant Operating Conditions
62
Data Logging Capability
62
Drift (Dark)
62
Dynamic Range (Logging Mode)
63
Frequency Response
63
Linearity
63
Maximum Safe (Input) Power
64
Minimum Averaging Time
64
Noise Pp (Dark)
64
Noise 2 Sigma (Dark)
64
Operating Humidity
65
Operating Temperature
65
Operating Temperature and Humidity
65
Polarization Dependent Responsivity (PDR)
65
Port Separation (Static)
66
Port Separation, Dynamic
66
Power Range
66
Range Settling Time (One Range Step)
67
Relative Port to Port Uncertainty
67
Return Loss
67
Specification Wavelength Range
68
Spectral Ripple (Power Meter; Due to Interference)
68
Storage Conditions
68
Total Uncertainty
68
Uncertainty at Reference Conditions
69
Wavelength Range
69
Warm-Up Time
69
User Interface Reference
71
N774-C Series User Interface
72
Controlling N774-C Instruments
74
Control Instrument Tab
74
How to Measure Power
78
How to Set the Wavelength
79
How to Set the Calibration Offset
79
How to Set the Reference Level
80
How to Remove Electrical Offsets (Zero)
82
How to Choose the Range Mode
83
How to Set the Range
84
How to Set the Averaging Time
85
How to Set Automatic Gain for Averaging Modulated Signals
85
How to Choose the Minmax Function
85
How to Use External Triggers
85
How to Use Auxiliary Functions
88
How to Get Current Instrument Settings
88
How to Identity a Module
89
How to Capture an Image of the Graph
89
How to Save/Recall the User Interface Settings
89
Logging In/Out of the N774-C User Interface
90
How to Create/Change the Password
91
What if You Forget Your Password
91
Update Rate and Data Points
91
Reboot Device
92
How to Configure LAN
93
Cleaning Instructions
102
Safety Precautions
102
Why Is It Important to Clean Optical Devices
102
What Materials Do I Need for Proper Cleaning
103
General Cleaning Procedure
105
Additional Cleaning Information
106
Firmware Upgrades
107
Requirements
107
Contact Keysight Technologies
108
Other manuals for Keysight N774 C Series
Programming Guide
106 pages
4
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Keysight N774 C Series Specifications
General
Brand
Keysight
Model
N774 C Series
Category
Measuring Instruments
Language
English
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