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M-959 Dial Pulse Counter and Hook Status Monitor Features • Time-guarded dial pulse counting • 10 or 20 PPS dialing speeds pin selectable • Tri-state .ST3854 - ELECTRONIC HOOK SWITCH DEVICE
www.DataSheet4U.com .SPPY5 - 50mA 48V DC Qualified Surface Mounting Type Telephone-hook
50mA 48V DC Qualified Surface Mounting Type Telephone-hook SPPY5 Series www.DataSheet4U.com Detector Switch A surface mount type detector switch wit.