Cabletron Systems 2H253-25R manual COM Port Pinout Assignments, Regulatory Compliance

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COM Port Pinout Assignments

A.6 COM PORT PINOUT ASSIGNMENTS

The COM port is a serial communications port that supports Local Management or connection to a UPS.

Table A-1shows the COM port pin assignments.

Table A-1 COM Port Pin Assignments

Pin

Signal Name

Input/Output

 

 

 

1

Transmit Data (XMT)

Output

 

 

 

2

Data Carrier Detect (DCD)

Output

 

 

 

3

Data Set Ready (DSR)

Input

 

 

 

4

Receive Data (RCV)

Input

 

 

 

5

Signal Ground (GND)

NA

 

 

 

6

Data Terminal Ready (DTR)

Output

 

 

 

7

Request to Send (RTS)

Input

 

 

 

8

Clear to Send (CTS)

NA

 

 

 

A.7 REGULATORY COMPLIANCE

This equipment meets the following safety and electromagnetic compatibility (EMC) requirements:

Safety:

UL 1950, CSA C22.2 No 950, 73/23/EEC,

 

EN 60950, IEC 950

Electromagnetic

 

Compatibility (EMC):

FCC Part 15, CSA C108.8, 89/336/EEC, EN 55022,

 

EN 61000-3-2, EN 61000-3-3, EN 50082-1,

 

AS/NZS 3548, VCCI V-3

Specifications A-3

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Contents 2H253-25R SmartSwitch Installation User’s Guide Page Page FCC Notice Cabletron SYSTEMS, INC Program License Agreement Page Page Page Cabletron Systems Limited Program License Agreement Viii Declaration of Conformity Page Contents Troubleshooting Figures Tables Using this Guide About This GuideStructure of this Guide Xvi Related DocumentsDocument Conventions Document ConventionsPage Overview IntroductionAuto-Negotiation ConnectivityFull Duplex Switched Ethernet Runtime IP Address DiscoverySmartTrunk Remote Monitoring Rmon Broadcast SuppressionPort/VLAN Redirect Functions Flow Control Rate LimitingManagement Garp Switch OperationSwitching Options 12 802.1 Port PriorityYear 2000 Compliant Lanview Diagnostic LEDsOptional HSIMs and VHSIMs Standards CompatibilityGetting Help 10BASE-T Network Network Requirements100BASE-TX Network Unpacking the Device InstallationInstalling the Device Installing OptionsGuidelines for Tabletop and Shelf Installations Tabletop or Shelf InstallationGuidelines for the Rackmount Installation Rackmount InstallationAttaching the Strain-Relief Bracket Rack Mounting the 2H253-25R Redundant Primary AC outlets are On separate circuits Connecting PowerConnecting to the Network Straight Cable Connection Completing the Installation Using Lanview TroubleshootingPWR CPU FDX OFF Troubleshooting ChecklistSeries 2E253, 2H252, 2H253, User parameters Position of Mode switch IP address Reset Button Using the Reset ButtonDevice Specifications SpecificationsPhysical Properties Electrical Specifications Environmental RequirementsINPUT/OUTPUT Ports Regulatory Compliance COM Port Pinout AssignmentsPage Required Tools Optional Installations Mode Switch Bank SettingsRemoving the Chassis Cover Removing the Chassis Cover Figure B-1 Removing the Chassis Cover Switch 6 Forced BootP Setting the Mode SwitchesSimm Upgrade Locating SIMMs Installing the Dram SimmFigure B-4 Installing the Dram Figure B-5 Hsim and Vhsim Connector Locations Installing Optional Hsim or Vhsim Interface ModulesPage Numerics IndexIndex-2