Bosch D185 Reverse Polarity Signaling Module
The D185 Reverse Polarity Signaling Module communicates system conditions (alarm, trouble, and supervisory) from a compatible control panel to a monitoring station by reversing or interrupting the polarity of a steady signal it sends over leased telephone company (telco) lines. The module operates over one or two pairs of lines and with either a 12 VDC or 24 VDC supply. All circuits are power limited.
Sold out
$175.32
Original price
$175.32
-
Original price
$175.32
Original price
$175.32
-
$175.32
Current price
$175.32