11. RS-485 LAN Connector, 3 Pins (J11): To set up an H201Ti network, the H201Ci-Cs 
(and/or H201Ci-1s) are daisy-chained together into an RS-485 Local Area Network 
(LAN). 
 
Figure 4-3: Circuit Board of the Hydran 201Ci-C 
12.  Supervisory Link Connector to Termination Board No. 1, 4 Pins (J15):  An isolated 
supervisory link cable coming from an H201Ti (through the termination board) is 
connected here.  The link cable carries serial data (communications) and isolated 
link supply (+15 Vdc, from the H201Ci-C).