ADT -UDACT Product Information page 63

TB1
Terminal 3 EIA-485 (+)
Terminal 4 EIA-485 (-)
EIA-485 (Supervised and
Power-limited
power connections to ADT-UDACT
Install 120 ohm EOL resistor (P/N:71244)
across terminals 3 & 4 if last or only
device on EIA-485 line. Note that
Terminals 6 & 7 are not used at this time.
Figure F-1: EIA-485 Connection to Panel Mounted ADT-UDACT
TB1
TB1
Terminal 3 RS+
Terminal 4 RS-
DO NOT USE
Document 50934 Rev B
ADT-MNNA
ADT-UDACT
5/15/00 PN 50934:B
63