Black Box ME759C-RJ11, ME758C-RJ45, ME759C-RJ45, May-95 Setting the Jumpers on the Interface Module

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CHAPTER 3: Configuration

S3-7 and S3-8: Antistream Control

Set positions 7 and 8 of switch S3 to determine the timeout period for the Multi-Function LD Card’s antistream-control timer, or to disable the timer entirely.

S3-7	S3-8	Setting
Off	Off	Disabled (default)
Off	On	12.5 seconds
On	Off	50 seconds
On	On	12.5 seconds

3.2 Setting the Jumpers on the Interface Module

3.2.1THE INTERFACE-MODULE OPTIONS

The Multi-Function LD Card has four interface-module options:

•The ME758C-RJ11 has a DB25 connector for an RS-232 serial port and an RJ-11 modem-to-modem port.

•The ME758C-RJ45 has a DB25 connector for an RS-232 serial port and an RJ-45 modem-to-modem port.

•The ME759C-RJ11 has a 10-pin RJ-style connector for an RS-232 compatible serial port and an RJ-11 modem-to-modem port.

•The ME759C-RJ45 has a 10-pin RJ-style connector for an RS-232 compatible serial port and an RJ-45 modem-to-modem port.

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Contents Multi-Function LD Cards FCC Statements MULTI-FUNCTION LD Card NOM Statements Contents Specifications Indicators DiagnosticsConnectors Weight PowerTemperature FuseFeatures IntroductionOverview Introduction Setting the Switches on the Main Module Main-module switchesOn and OFF settings of the DIP switches Switch S1 SummaryS1 Positions 1 through 4 Data-Rate Setting S1 Positions 5 and 6 Clock SourceS1 Position 7 Protocol Switch S2 Summary S2 Position 2 2-Wire vs -Wire OperationS1 Position 8 Carrier-Control Method S2-6 Signaling-Rate Range S2 Position 3 V.52 and V.54 Diagnostic TestingS2 Positions 4 and 5 RTS/CTS Delay S2-7 and S2-8 Word LengthSwitch S3 Summary S3-1 and S3-2 Input ImpedanceS3-5 DTE RS-232 Initiation of Local Loopback Test Recommended Impedance SettingsS3-4 Mode Selection S3-6 DTE RS-232 Initiation of Remote Loopback TestSetting the Jumpers on the Interface Module S3-7 and S3-8 Antistream ControlFour interface modules Jumper locations Summary of Interface-Module Jumper Functions Line Interface Line Shield Connection to Frame Ground JB2Serial Interface Signal Ground and Frame Ground JB4 JB5Installation MicroRacks An OverviewMicroRacks’ Power Supply Installing the Multi-Function LD Card in the MicroRack RS-232 Serial Cables and Connectors Pinout of the RS-232 InterfacePinout of the 10-Pin RJ Interface Modem-to-Modem Line Cables and Connectors Line-Cable Pinouts AT&T standard modular color codesTwo-pair star wiring for host and slave Cards Multipoint ApplicationsOperation and Diagnostics Status LEDsRTS and CD Indicators Diagnostic Testing Using the Error LED Power-Up V.54 and V.52 Diagnostic Tests Remote Digital Loopback RDL Using the V.52 Bert Test Independently Troubleshooting Calling Your SupplierShipping and Packaging Wire Gauge Capacitance Resistance Appendix Cable RecommendationsMULTI-FUNCTION LD Card Copyright 1995. Black Box Corporation. All rights reserved