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TC2400 & TC2401
Ring User's Manual
Rev. 1.7
Table of Contents
Chapter 1 - Overview ......................................................................................... 3
Description .............................................................................................................................. 3
Operation of Self-Healing Ring ............................................................................................ 4
Fiber Optic Ring's Integrity Monitors ................................................................................. 6
Cable Fault Detection between Slaves .............................................................................. 7
LED Functions ........................................................................................................................ 8
LEDs, DIP Switches and Connectors .................................................................................. 8
LED Functions (cont.) ........................................................................................................... 9
External DIP Switch Functions ............................................................................................ 9
Internal DIP Switch Functions ............................................................................................. 9
Anti-Streaming Timer ..........................................................................................................10
Electrical Specifications .....................................................................................................10
Electrical Signal Inteface Connections & Pin Assignments .........................................10
RS-232 Asynchronous ..................................................................................................10
Four Wire RS-422/RS-485 Asynchronous .................................................................11
Two Wire(Half Duplex) RS-485 Asynchronous .........................................................11
RS-485 Transition Timer Setup .........................................................................................12
RJ11-to-DB25 Female (Async DCE) Conversion Cables ..............................................13
Optical Specifications .........................................................................................................13
Transmission Distances................................................................................................13
Launch Power & Sensitivity .........................................................................................13
Chapter 2 - Installation .....................................................................................14
Unpacking the Unit ..............................................................................................................14
Equipment Location ............................................................................................................14
Dry Contact Alarm Relay .....................................................................................................14
Power Supply ........................................................................................................................14
Installation Procedure Summary .......................................................................................14
Chapter 3 - Troubleshooting .............................................................................15
General ..................................................................................................................................15
All LEDs are "Off" .................................................................................................................15
Alarm LED .............................................................................................................................15
Optic Cable Types ...............................................................................................................15
Calculating Loss on the Fiber ............................................................................................15
Chapter 4 - Bench Tests ...................................................................................16
General ..................................................................................................................................16
Bench Test with Built-In Signal Generator ......................................................................16
Local Electrical Loopback Bench Test ............................................................................17
Optic Loopback Bench Test (for TC2400 only) ..............................................................18
Remote Loopback Bench Test .........................................................................................19
Commonly Asked Questions ..............................................................................................20
Chapter 5 - Component Placement ...................................................................21
Chapter 6 - Specifications .................................................................................22
Appendix A .......................................................................................................23
Return Policy ........................................................................................................................23
Warranty ................................................................................................................................23