Skip to main content

Search
My Anritsu
Contact Us Contact Us
Select a country/region
United Kingdom

- 6G
  6G
  6G Technology
- Virtual & Cloud Testing
  Virtual & Cloud Testing
  Virtual & Cloud Network Assurance
- 5G/5G-Advanced
  5G/5G-Advanced
  RedCap
  Private Networks
  Open RAN
  Mobile Devices
  RAN Testing
  Non-Terrestrial Networks
- Internet of Things
  Internet of Things
  Internet of Medical Things
  Industrial IoT
  Smart Home
  AR/VR
- Automotive
  Automotive
  5G Connectivity
  eCall/NG-eCall/Hybrid eCall
  V2X
  AD/ADAS
  Infotainment
- Wireless Connectivity
  Wireless Connectivity
  Wireless LAN
  Bluetooth®
- Data Center
  Data Center
  Data Center Interconnect
- Photonic/Transport Networks
  Photonic/Transport Networks
  Multicore Fibers
  Passive Optical Networks
  Submarine Networks
- High-Speed Digital Systems
  High-Speed Digital Systems
  AI Semiconductor
  PCIe
  CXL
  USB
  DDR
  DisplayPort
  Ethernet
- Installation & Maintenance
  Installation & Maintenance
  Jamming & Interference
  Wireless I&M
- Optical/Photonic Device
  Optical/Photonic Device
  Optical Transceiver
  Co-packaged Optics
- General Purpose Instruments
  General Purpose Instruments
  Signal/Spectrum Analyzers
  Signal Generators
  Network Analyzers
  Power Meters/Power Sensors
  DC Power Supplies/Function Generator(Aim-TTi)
- All Solutions/Technologies
- Government Aerospace Defense
  Government Aerospace Defense
  Avionics and Aircraft Manufacturing and Maintenance
  Radar and Electronic Countermeasures
  Satellite Communications
  Spectrum Monitoring and Signal Intelligence
- Communications
  Communications
  Microwave Links
  Public Safety, Land Mobile Radio, Utilities
- Semiconductor
  Semiconductor
  Device Modeling and Characterization
  Interconnects and Backplane
  Opto-electronics
  Quantum Computing
  Thin Film
- Industries
- Customer and Technical Support
  Customer and Technical Support
  Customer Support
  Repair and Calibration
  Asure - Extended Warranty
- Video & Downloads
  Video & Downloads
  Video Gallery
  Downloads & Documents
- Training
  Training
  FAQs
  Training & Education
- Tools & Software
  Tools & Software
  PC Tools for RF Handhelds
  Software/Firmware/Drivers
- Customer Portal
  Customer Portal
  My Anritsu
- All Support

...
Support
Downloads
Anritsu FAQ

Anritsu FAQs

When using 1000BASE-LH or 1000BASE-ZX GBIC devices over short distances with the Gigabit Ethernet module of the MD1230A, is an optical attenuator necessary?

answer

No.

Products

Technologies

Products line-up

Video Gallery

Discontinued Models

Buy

Request a Quote

Used Test Equipment

Contact Sales Office

Support

Repair and Calibration

Training and Education

Technical Support

Downloads

Professional Services

Website Feedback

About Anritsu

News

Corporate Information

Employment

Investor Relations

Sustainability

Anritsu World Wide

Sitemap Terms of Use Privacy Policy

Copyright 2026

Select a country/region

Australia
Brazil
Canada
China
Denmark
Finland
France
Germany
Hong Kong
India
Italy
Japan
South Korea
Mexico
Singapore
Sweden
Taiwan
United Kingdom
United States
Viet Nam
More