Setting the Jumpers on the Interface Module | Black Box ME759C-RJ11

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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Black Box ME759C-RJ11, ME758C-RJ45, May-95 Setting the Jumpers on the Interface Module, S3-7 and S3-8 Antistream Control

Contents

Multi-Function LD Cards FCC Statements MULTI-FUNCTION LD Card NOM Statements Contents Specifications Indicators DiagnosticsConnectors Weight PowerTemperature Fuse Features IntroductionOverview Introduction Setting the Switches on the Main Module Main-module switches On and OFF settings of the DIP switches Switch S1 Summary S1 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 Length Switch S3 Summary S3-1 and S3-2 Input Impedance S3-5 DTE RS-232 Initiation of Local Loopback Test Recommended Impedance SettingsS3-4 Mode Selection S3-6 DTE RS-232 Initiation of Remote Loopback Test Setting the Jumpers on the Interface Module S3-7 and S3-8 Antistream Control Four interface modules Jumper locations Summary of Interface-Module Jumper Functions Line Interface Line Shield Connection to Frame Ground JB2 Serial Interface Signal Ground and Frame Ground JB4 JB5 Installation MicroRacks An Overview MicroRacks’ 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 codes Two-pair star wiring for host and slave Cards Multipoint Applications Operation and Diagnostics Status LEDs RTS 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 Recommendations MULTI-FUNCTION LD Card Copyright 1995. Black Box Corporation. All rights reserved