Fire-Lite UDACT-F Universal Digital Alarm Communicator Transmitter - Manual (Page 20)

Panel Mounting
20
Document #50049 Rev.E0 1/22/01 P/N 50049:E0
FIGURE 2-6: EIA-485 Connection Sensiscan 2000
EIA-485 (supervised and power-limited)
-
+
+
-
TB1
Terminal 3 RS+
Terminal 4 RS-
Install 120 ohm EOL
resistor (P/N: 71244)
across Terminals 3
(RS+) & 4 (RS-) if
last or only device on
EIA-485 line. Note
that Terminals 6
(RS+) & 7 (RS-) are
not used at this time.
CPU-2000
UDACT-F