Protege PRT-CTRL, Installation Manual

Page: 14 / 36

12 Protégé System Controller Installation Manual
Figure 10 - Network Power Supplied By System Controller
The EOL (End Of Line) jumper setting MUST be set in the ON position for the FIRST
and LAST expansion device only.
Figure 11 - EOL Jumper ON Figure 12 - EOL Jumper OFF
The 12V N+ and N- Communication input must be supplied from only ONE point.
Connections from more than one 12V supply may cause failure or damage to the
units supplying power.
The Network BIAS configuration jumpers allow the communication network to be biased using
a high or Low (Default) resistance.
Figure 13 - Network LOW resistance BIAS (Default) Configuration