EverFocus EAN-1350 - Manual (Page 14)

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2.6 AUDIO INSTALLATION
Audio input and output are connected to the 3,5mm sockets.
Please make sure to use a pre-amplified microphone with line level 1 V max.
For audio output please use active speakers only.
2.7 RS-485 TELEMETRY INSTALLATION
The EAN-1350 supports Pan-/Tilt/Zoom control of RS-485 PTZ receivers with Pelco-D/P
telemetry protocol.
Contacts at terminal: 8: RS-485 +
9: RS-485 -
8 9
RS-485 PTZ
Receiver
RS485+
RS485-
RS485- RS485+
ATTENTION: Please make shure, that the receiver supports Pelco-D or Pelco-P mode with
simplex wiring (2 wire twisted pair), possible baudrates are 2400, 4800 or 9600.