D&R GSM HYBRID, Руководство пользователя

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6
SEND
This female XLR connector receives the audio coming from a mixing console (Mix/Minus,
clean feed (N-1) or Aux) and is send to the caller.
GPO Jack connector for remote control of a phone signaling device such as D&R's Calllite
GPI Remote control of the Connect switch (Rink/Hook) on the frontpanel.
2.3 Inputs and Outputs
2.3.1
RECEIVE (from caller)
XLR MALE TYPE CONNECTION
Pin 1 Screen Audio ground
Pin 2 Phase Audio + (output)
Pin 3 Non-phase Audio – (output)
2.3.2
SEND (to caller)
XLR MALE TYPE CONNECTION
Pin 1 Screen Audio ground
Pin 2 Phase Audio + (output)
Pin 3 Non-phase Audio – (output)
2.3.3 GPIO
GPO FUNCTION CONNECTION
Tip Pull down 47 ohm to ground
Ring Pull up +5 volt via 10kohm
Sleeve No Not connected
GPI FUNCTION CONNECTION
Tip Pull down 47 ohm to ground
Ring Pull up +5 volt via 10kohm
Sleeve No Not connected