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Diagrams and Drawings

RJ-45 (Cyclades) to DB-25, crossover

RJ-45 DB-25
Cyclades M / F
-------- --------
3 TxD ------------ RxD 3
6 RxD ------------ TxD 2
4 Gnd ------------ Gnd 7

2 DTR --------|--- DSR 6
|--- DCD 8

7 DCD ---|-------- DTR 20
8 DSR ---|

1 RTS ------------ CTS 5
5 CTS ------------ RTS 4

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Overview
Critical Power
Overview Uninterruptible Power Supplies (UPS) DC Power Systems Power Distribution Static Transfer Switches Switchgear and Switchboard Busway and Busduct Battery Energy Storage System (BESS)
Thermal Management
Overview Liquid Cooling Solutions Heat Rejection Outdoor Packaged Systems Room Cooling In-Row Cooling Rack Cooling Free Cooling Chillers Evaporative Free Cooling Thermal Control and Monitoring Custom Thermal
Racks & Enclosures
Overview Integrated Solutions Racks & Containment Outdoor Enclosures
Monitoring & Management
Overview Digital Infrastructure Solutions Embedded Device Management Serial Console IP KVM Switches High Performance KVM LCD Tray Desktop KVM and KM Secure KVM Software Monitoring
Services
Overview Project Services UPS & Battery Services Digital Services Liquid Cooling Services Thermal Services Rack PDU Services DC Power Services Electrical Reliability Services Electrical Safety & Compliance Service Training
Tools & Product Registration
AI Reference Design Selector UPS Selector Use the rPDU Finder Calculate Cooling Retrofit Savings Calculate Cooling Economization Compare Rack Products Compare IT Management Products Download the Vertiv™ XR App Download the Vertiv™ Virtual Showroom App Vertiv Trade-In Program How to Buy Product Registration Virtually Test Cooling Systems in our Labs’ Digital Twins
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AI and High Performance Computing
Overview AI-ready Data Centers High Density Cooling Vertiv™ 360AI
Applications
Small/Medium Business Enterprise Broadcast & Entertainment Education Federal Healthcare Manufacturing Retail Telecom
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Overview Chilled Water Solutions Dynamic Power Vertiv Integrated Solutions Prefabricated Modular Solutions Network Closet Micro Data Center/Room Edge Data Center Core Data Center & Critical Facilities Colocation & Cloud Cable Landing Stations
Learn About
Overview Liquid Cooling Options for Data Centers Battery Energy Storage System Transitioning to 5G Lithium-ion Technologies UPS Types What is a Rack PDU The Edge Revolution Vertiv Data Center Security Solutions Customer Case Studies Edge eBook Series Hydrogen Fuel Cells Vertiv Continuing Education (CE) Program Condition-Based Maintenance services: Data-driven maintenance model
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AI Hub Guide to Data Center Sustainability Guide to 5G Technology Guide to Edge Computing Guide to Mission-Critical Facility Services
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Submit a Support Request
Overview General Inquiry/Issue Resolution Hardware Software Returns (RMA)
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Avocent Maintenance Program Overview Avocent Support Contacts Busway and Busduct BIM Library
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