Relay control board VA-117C , Zenitel / Stento / Vingtor Marine VMP-systems .
Note! All exchange voltages are fully insulated from input AC / DC Voltages and electrical GND. Therefore any mix of external power source and logical signals / relay solenoid control is not properly working .
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Stentofon MC-6151 Remote controlled sub-station. Shown here wired to be used in a Vingtor VMP exchange.
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VA-365 . VMP - PA interface with basic connection using the versatile Stentofon SAR adapter.
NOTE! DIP switches on the SLB boards normally should be in "OFF" position to avoid "All call / Group call " programming conflicts. Only when using the older non programable "CPB" board these switches should be used.
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VA-462 Alarm board + MC 6151 makes an alarmunit to be used in VMP exchanges from Zenitel / Stento / Vingtor Marine
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The most important notice!
( These boards must not be "hotplugged" ! )
Like replacing boards in a computer , to avoid serious damage on the exchange electronic boards allways turn off the power before replacing any board in the exchange !!
VA boards short description
VA-111-2 , Fuse board. +24VDC and +5VDC
VA-114C , Parallel connection board
VA-115 , Power amplifier board , 2 x 15W w/ separate100V line outputs
VA-117C , Remote relay control board.
VA-275 , 2-tone telephone/Satcom interface , obsolete.
WPB+DPDT , dual tone telephone interface Compact32 / VMP32 , obsolete.
PNCI 2-way DTMF telephone interface , VMP / ACM , Compact / MPC / AlphaCom . Still sold to day.
VA-316 , 50W power amplifier w/ 100V line output
VA-322 , 100W power amplifier w/ 100V line output
VA-365 , Speach Adapter Relay. Versatile PA - VMP interface
VA-MC , Remote Controlled Sub Station
VA-462 , Remote controlled alarm generator
NOTE!: e-wires on the Vingtor Marine VMP system uses negative logic, ( Off = +5VDC , ON = 0VDC )
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Stentofon AlphaCom and Vingtor Marine ACM ( Stentofon inside ) , on the station lines , have mixed audio and display data signals . If a PA system is connected , filters have to be used to separate these signals .
FBSAR ( Filter Board Speach Adapter Relay ) is a typical extra function board to adapt a PA system to the AlphaCom / ACM exchange.
SUBCB , subscriber connection board w / RCO connector
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