H) Auxiliary Input Board; Fig. 22 Auxiliary Input Board - Whelen Engineering Company WPS-2900 Series Installation Manual

h) Auxiliary Input Board

The WPS-2900 may be equipped with an optional module that can activate siren functions
via an external auxiliary input contact closure. For external controls, the "closure" must be
at least 1/2 second in duration. The "closure" must be made to ground. A ground contact is
supplied at the terminal strip for this purpose. The following Whelen Commands are
supported:
• Cancel (or Clear)
• Wail
• Attack
• Alert
• Airhorn
Fig. 22: Auxiliary Input Board
J1
+
ORG BLK
+
J2
J3 J4
J20
1
RED
ORG BLK RED
J5 J6
J7
J21 9
9 POS PHOENIX
• Hi/Low
• Whoop
• Noon Test
• Silent Test
• Digital Voice Messages 1 - 4
ORG BLK RED ORG BLK
J9 J10 J12
J8 J11
J22
1
9 POS PHOENIX
Page 40
RED ORG BLK RED
J15 J16
J13 J14
J19
J17 J18
ORG BLK RED
9