ADPRO iFT, Руководство по установке оборудования

Страница: 54 / 80

iFT Series Hardware Installation Manual ADPRO
54 27817_08
On the internal MIO card, set the RS-485 jumper to the 2-wire position ( A ).
MIO card Next Generation
A RS-485 PTZ jumper: 2-wire setting
(default setting – see Note below)
B RS-485 PTZ jumper: 4-wire setting
Note
On systems produced from the end of April 2015, the default setting of the RS-485 PTZ jumper is
2-wire. On older systems, the 4-wire setting was default. If you experience any problems when
connecting devices to the MIO card, check the RS-485 PTZ jumper setting. Change it if necessary.
Connect the wires as shown below:
(*) Some PIR models have separate 0V terminals for data and power; on other models there is only one common 0V
terminal.
Make sure to bridge the following connections:
l
TX+ with RX+
l
TX– with RX–
The PIR detectors are powered locally by a power adapter.
You can place locally powered PIR detectors at the maximum distance of 1200 m for RS-485 cables. Make sure
that there is no difference in earth potential between the XO device and the PIR detector.