Black Box 39004, 39005 manual Data Signals

Page 16

CHAPTER 5: Data Signals

Local fiber optic modem switched

Fiber optic modem forced to loop

to remote loop mode

mode by other modem

Figure 5-3. Data Signals at Remote Loop/Line Loop Mode.

Table 5-1. G.703 Pinout (Female)

Pin

Signal

Terminal End

Network Termination

 

 

 

 

2

R A

Input

Output

4

T A

Output

Input

9

R B

Input

Output

11

T B

Output

Input

 

 

 

 

Figure 5-4. G.703 Connector.

15

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Contents T1 Fiber Optic Line Extender/Simulator FCC Information T1 Fiber Optic Line EXTENDER/SIMULATOR NOM Statement General Safety Precautions Transport, Installation, and OperationMains Power Fiber OpticsTrademarks Trademarks Used in this ManualContents Specifications Features IntroductionDescription Typical ApplicationConnectors, Indicators, Controls Connector, Indicator, or ControlSetup Location of Jumpers on the Printed Circuit BoardSetting Description FO/S LED Setup Clock Mode CommentsData Signals Data Signals at Normal ModeData Signals Appendix Fiber Optic Planning Guidelines IntroductionFiber Optic Calculation Example values for calculations below See Figure A-1Figure A-1. Attenuation diagram Operation Diagram Figure A-2. Operation Diagram Figure A-3. Your Application Copyright 2000. Black Box Corporation. All rights reserved