Document 50934 Rev B 5/15/00 PN 50934:B 57
TB1
Terminal 3 RS+
Terminal 4 RS-

SIB

ADT-UDACT

EIA-485 (Supervised and
Power-limited
Figure D-3: EIA-485 Connection to Panel Mounted ADT-UDACT
TB5
Terminal 5 EIA-485 (+)
Terminal 6 EIA-485 (-)
Refer to Figure I-4 for 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.
DO NOT USE