Jumper locations | Black Box ME758C-RJ45, ME759C-RJ45, May-95

CHAPTER 3: Configuration

3.2.3WHERE THE JUMPERS ARE

Figure 3-5, below, shows the locations of the jumpers on the interface modules (the locations are the same for both the -RJ11 and -RJ45 models). These jumpers determine various grounding and signal characteristics for the serial and modem-to-modem lines.

JB2

(peg 1 on left)

ME758C interface

module

JB2

(peg 1 on top)

ME759C interface

module

JB3

(peg 1 on top)

JB4

(peg 1 on left)

JB3

(peg 1 on top)

JB4

(peg 1 on left)

Figure 3-5. The jumper locations.

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Image 20

Black Box ME758C-RJ45, ME759C-RJ45, May-95, ME759C-RJ11, ME758C-RJ11 manual Jumper locations

Contents

Multi-Function LD Cards FCC Statements MULTI-FUNCTION LD Card NOM Statements Contents Specifications Connectors IndicatorsDiagnostics Power TemperatureWeight Fuse Overview FeaturesIntroduction Introduction Setting the Switches on the Main Module Main-module switches On and OFF settings of the DIP switches Switch S1 Summary S1 Position 7 Protocol S1 Positions 1 through 4 Data-Rate SettingS1 Positions 5 and 6 Clock Source S1 Position 8 Carrier-Control Method Switch S2 SummaryS2 Position 2 2-Wire vs -Wire Operation S2 Position 3 V.52 and V.54 Diagnostic Testing S2 Positions 4 and 5 RTS/CTS DelayS2-6 Signaling-Rate Range S2-7 and S2-8 Word Length Switch S3 Summary S3-1 and S3-2 Input Impedance Recommended Impedance Settings S3-4 Mode SelectionS3-5 DTE RS-232 Initiation of Local Loopback Test 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 Pinout of the 10-Pin RJ Interface RS-232 Serial Cables and ConnectorsPinout of the RS-232 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 Shipping and Packaging TroubleshootingCalling Your Supplier Wire Gauge Capacitance Resistance Appendix Cable Recommendations MULTI-FUNCTION LD Card Copyright 1995. Black Box Corporation. All rights reserved