ALTUS Nexto Series

3. INSTALLATION
Figure 12: Connection Diagram of a RS-485 Network with External Termination and Master Redundancy
3.5.5. RS-422 Communication without Termination
In order to connect in a RS-422 network with no termination, the cable AL-1763 identified terminals must be connected in
the respective device terminals, as shown on table below.
AL-1763 terminals CPU terminal signals
0 Shield
1 Not connected
2 TX+
3 RX+
4 Not connected
5 Not connected
6 Not connected
7 TX-
8 RX-
Table 28: RS-422 Connections without Termination
The figure diagram below indicates how the AL-1763 connection terminals should be connected in the device terminals.
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