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ASMi-31Installation and Operation Manual	Chapter 3. Operation

If the above LED indicators are not obtained following initial power-up, make sure that:

•One modem is set to internal or external clock, and the other to LBT clock.

•None of the modems are in test mode.

Turning ASMi-31To turn off ASMi-31, simply remove the power cord from the power source.

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Operating Instructions

3-3

Order from: Cutter Networks

Ph:727-398-5252/Fax:727-397-9610

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Contents

RAD Data Communications Headquarters US East US West ASMi-31 Order from Cutter Networks Ph727-398-5252/Fax727-397-9610 Warranty Ports Safety Status Safety Warnings Regulatory Information Supplementary Information Safety Quick Start Guide Adjust the jumpers see , Installation and SetupModem as INT or EXT, and the second modem as RCV Quick Start Guide Contents Card Cage Version List of Figures List of Tables General Power Supply VersionsChapter Introduction Overview Interfaces Wire twisted pair unconditioned linesControl Signal Transfers Diagnostics Functional Description Physical Description Management ConfigurationsDiagnostic Remote Ethernet 10BT, Ethernet 10B2 BNC Technical SpecificationsTypes ITU V.24/RS-232, V.35, RS-530 or Codirectional 64 kbps Data to the line Master ClockExternal clock The master clock uses Clock derived from the digital interface to Environment Physical Introduction Technical Specifications Ambient Chapter Installation and SetupPower Site Requirements and Prerequisites Installation and Setup Package Contents Opening the ASMi-31 Case Setting the Internal Jumpers and SwitchesTo open the ASMi-31 case Jumper Description Values Default Setting ASMi-31 PCB Layout ASMi-31 Internal Jumpers and Switches LLB, JP15 To close the ASMi-31 case Connecting the LineItem Jumper Description Values Default Setting Closing the ASMi-31 Case DTE Interfaces and Matching Adapter Cables Connecting the DTEDTE Interface Connector Description RAD Cable To connect the line To connect DC power to ASMi-31 Connecting the PowerRefer to DC Power Connection Supplement Chapter Operation Controls and IndicatorsDCD LED is equivalent to Indication signal Front Panel Controls and Indicators Normal LEDs ASMi-31 Controls and Indicators Normal OperationOperating Instructions Turning ASMi-31 Off Operation Operating Instructions Diagnostic Tests Chapter Troubleshooting and Diagnostics Loopback LLB Local AnalogTo perform the Local Analog Loopback test To activate the Remote Digital Loopback Remote Loopback Tests and Diagnostics Diagnostic Tests ASM-MN-214 Card Cage Chapter Card Cage Version ASM-MN-214 Rear Panel ASMi-31/R Front Panel ASMi-31/R Card Version ASM-MN-214 Front Panel Power Supply Applying power, first connect the plug of the power cord to Installing ASMi-31/RTo install the ASMi-31/R card in the ASM-MN-214 card cage ASM-MN-214 card cage has no power switch. Operation starts Card Cage Version Installing ASMi-31/R General Appendix a Ethernet InterfaceDescription DB-25 IR-ETH Connector Options Signal Pin DB-25 RJ-45 Ethernet Bridge SpecificationsProtocol Figure A-5 Ethernet Bridge Layout UTP Option Installation and Operation Table A-2 DIP Switches Settings LAN InstallationSwitch Settings LED Indicators Appendix A. Ethernet Interface Installation and Operation Introduction Appendix B IR-G.703 Codirectional Interface 64 kbpsGeneral Description Terminal Block RJ-45 DB-25 Standalone Rack Version EXT Mode Modem a INT/RCV Mode Order from Cutter Networks Ph727-398-5252/Fax727-397-9610 Appendix C Interface Module X.21 Connectors Table C-1 Table C-1shows the X.21 DB-15 pin assignment Appendix C. X.21 Interface Module Figure C-5 INT/RCV Mode Timing Block Figure C-4 EXT Mode Timing Block Table D-1 Appendix D DTE Interface Connectors Table D-1 DTE Interface Signal Assignments Unassigned pins according to X.21 standard Table D-1 DTE Interface Signal Assignments Connecting RS-530 to RS-422 Appendix E Connecting RS-530 to RS-422 Table E-1 Connecting RS-530 to RS-422 To install a single unit Appendix F Installation in 19 RackInstallation of the ASMi-31 Unit in 19 Rack General Installation of a Single Unit Rack see Figure F-2 Figure F-1 Installation of a Single Unit To install two units Figure F-2 Installation of Two Units Figure F-3 Fastening Two Units Together