THOMSON Amethyst III, User Manual, Page: 201 / 306

Appendix A ’Technical Specifications’ — Signal Processing
Amethyst III DTV Smart Switch 201
User Manual
GPI Inputs (Triggers)
Table A-4. GPI inputs specifications
Number of
inputs 6 inputs:

2 BNC: GPI1 and 2

4 Phoenix contacts: GPI3 to 6
BNC

BNC-TTL
50


High level > 2,4V

Low level < 0.8V

Support of GPIO server OR free voltage contacts
Phoenix
contacts

PHOENIX CONTACT. MC1,5/4-G-3,81 Header 4pts

TTL input with internal 4.7K

pull-up to +3.3V, 5 Volt
tolerant with debounce (80ms max).

Support of GPIO server and free voltage contacts.

You must use 4 points connectors and not two 2
points connectors.
Mode

Edge, Raising of Falling (configurable) => switching
request

Level, High or Low => switching forcing
Table A-5 provides examples of PHOENIX contact 4 points plugs. These
are references of plugs you can purchase to perform your GPI
connections.
Table A-5. PHOENIX contact 4 points plugs
Item
number
Model Description
1803594 MC 1,5/ 4-ST-3,81

Plug component

Nominal current: 8 A

Nominal voltage: 160 V

Pitch: 3.81 mm

Number of positions: 4

Connection type: screw
connection

Color: green
1826995 MCVW 1,5/ 4-ST-3,81

Plug component

Nominal current: 8 A

Nominal voltage: 160 V

Pitch: 3.81 mm

Number of positions: 4

Connection type: screw
connection

Color: green