by Bogen
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Bogenʼs DC Power Supplies are designed to supply power to battery-operated, other low-voltage DC equipment, or 24V DC equipment from a 120V AC source. They are rugged, versatile, and dependable, making them suitable for many types of telephone paging equipment, amplified speakers and horns, tone generators, and intercom systems. 12V, 24V, and 48V models available. PRSLSI additionally provides talk battery for loop start trunks and a buffered audio output to drive up to 25 self-amplified speaker inputs.

The loop start interface and power supply shall be a Bogen Model PRSLSI, or approved equivalent, and shall supply regulated 24V DC at 450mA (9 CU), as well as Tip and Ring terminals with 24V  talk  battery  for  connection  to  a  loop  start trunk, and enough audio capacity to drive up to 25 self-amplified speaker inputs. Audio flow shall be one direction from loop start terminals to the buffered  audio  outputs.  No  talk  back  capability shall be provided. It shall include a six-terminal barrier  strip.  The  power  supply  shall  include
flanges for wall mounting and rubber feet for shelf mounting.  The  unit  shall  measure  2-3/4"  W  x 4-1/2"H  x  2-1/2"  D  and  weigh  3  lb.  The  power supply shall be UL and C-UL listed.

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