Trilogy Touch Technology Trilogy Commander Digital Intercom 9 Manuel d'utilisateur télécharger pdf (Page 59)

Commander Installation Guide

Trilogy Communications Limited Page 59 of 81

Issue 9

7.4.1.2 ISDN Interface RJ45 Connector

RJ45 Fixed Socket Pin 1 Not connected

Pin 2 Not connected

Pin 3 Tx to network A/Rx from terminal A

Pin 4 Rx from network A/Tx to terminal A

Pin 5 Rx from network B/Tx terminal B

Pin 6 Tx to network B/Rx from terminal B

Pin 7 Not connected

Pin 8 Not connected

7.4.1.3 Com Port

D9, not yet supported, for future development.

7.4.1.4 Remote Ports

Each input is the cathode of the LED on an opto-isolator. The anode is connected through a

470R resistor to +5VDC. Therefore to activate a control input, short the pin to ground, i.e. pin

10. Each output is the open collector of a ULN2003 driver chip. Therefore connect the pin

through load to +5VDC.

7.4.1.5 RJ45

This is the ISDN 2 connector. This must only be connected to an approved ISDN 2

connection or serious damage may occur.

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Trilogy Touch Technology Trilogy Commander Digital Intercom 9 Manuel d'utilisateur Page 59