Table Of Contents - TC Communications TC1540 User Manual

Chapter 1 - Overview ................................................................................................... 3
Description .......................................................................................................................................... 3
DIP Switch Functions ........................................................................................................................ 5
LED Functions .................................................................................................................................... 5
Theory of 2 and 4-Wire RS-485 Operation .................................................................................... 6
RS-485 Transition Timer Setup ....................................................................................................... 7
RS-422 & RS-485 Termination Resistor ......................................................................................... 7
Pin Assignments and Connection ................................................................................................... 8
Transmission Distances (typical) .................................................................................................. 10
Launch Power & Sensitivity ........................................................................................................... 10
Power Supply .................................................................................................................................... 10
Chapter 2 - Installation .............................................................................................. 11
Unpacking the Unit .......................................................................................................................... 11
Equipment Location ........................................................................................................................ 11
Installation Procedure Summary ................................................................................................... 11
Installation Example (for 2-wire RS-485 application) ................................................................ 12
Chapter 3 - Troubleshooting ...................................................................................... 14
General .............................................................................................................................................. 14
Power On LEDs Flash ..................................................................................................................... 14
Alarm Conditions ............................................................................................................................. 14
Optic Cable Types ............................................................................................................................ 14
Calculating the Loss on the Fiber ................................................................................................. 14
Chapter 4 - Bench Tests ............................................................................................ 16
General .............................................................................................................................................. 16
Testing Considerations ................................................................................................................... 16
Bench Test With Built-In Signal Generator .................................................................................. 16
Optic Loopback Bench Test ........................................................................................................... 17
Local Electrical Loopback Bench Test .......................................................................................... 18
Remote Loopback Bench Test ....................................................................................................... 19
Chapter 5 - Specifications .......................................................................................... 20
Chapter 6 - Appendix ................................................................................................. 21
Return Policy .................................................................................................................................... 21
Warranty ............................................................................................................................................ 21

Table Of Contents

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TC1540D User's Manual
Rev. 1.2