Avtech AV-1010-C-NCSU Instructions Manual page 20

Fig. 9
PS-PN MODULE
The PS-PN module supplies DC power to various other
modules in the Av-1010. The PS-PN is supplied with
+24VDC on pin 9. It, in turn, sumnligs -15V from pin 10_
to the
threshold module.
THAIS
(module also
Atawe re HIE