Difference between revisions of "IRR-3 Relay unit"
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| − | The '''IRR-3 relay unit''' (item 1020600992) is used in combination with industrial stations. The relay unit is used for operating of rotary light or sound device for call indication. | + | The '''IRR-3 relay unit''' (item 1020600992) is used in combination with industrial stations. The relay unit is used for operating of rotary light or sound device for call indication. It can also be used for switching of 100V loudspeaker lines. |
=== IRR-3 operated from a centrally located relay === | === IRR-3 operated from a centrally located relay === | ||
Revision as of 12:51, 30 May 2013
The IRR-3 relay unit (item 1020600992) is used in combination with industrial stations. The relay unit is used for operating of rotary light or sound device for call indication. It can also be used for switching of 100V loudspeaker lines.
IRR-3 operated from a centrally located relay
Wiring when the relay is located by the AlphaCom exchange.
IRR-3 operated from a locally located relay
Wiring when the relay is located in the remote station.
