![SCR25A Call-In Module](/images/new-backgrounds/126893/12689333x1.webp)
SCR25A Call-In Module
The SCR25A module can be added to allow the annunciator indicators to light from a simple SPST
The figure below illustrates the connections to the rear of the SCR25A module.
Jumper Settings (see screened drawing on the SCR25A board).
1.Ensure that jumpers J1 - J25 are positioned to the left (toggle position) as shown.
2.Ensure jumper J26 is positioned towards the pin side (Multigraphic position) of the SCR25A module
CA17 Call-In Switch
The CA17
The wiring of the CA17 is shown in the drawing above.
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