ABUS FU2938 Compact Alerting - Manual (Page 19)

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Connector overview FU2938 (Standard)
Battery + Red lead to battery
Battery - Black lead to battery
Clamp strip
+12V (1) +12V DC voltage supply
GND (2) 0V DC voltage supply
Strobe Trig (3) Strobe control (with 0V DC in case of alarm)
Siren Trig (4) Siren control (with 0V DC in case of alarm)
Tamper NC/NO (5/6) Tamper relay output
potential-free
NC=normal state (normal closed)
NO=tamper (normal open)
Batt NC/NO (7/8) Battery fault relay output, potential-free
NC=normal state (normal closed)
NO=battery fault
Connector overview FU2938 (radio version)
Battery + Red lead to battery
Battery - Black lead to battery
RJ-11 socket
PIN 1 Battery fault transistor output
+12V = normal state
0V = no battery connected or
Battery fault
PIN 2 +12V DC voltage supply
(If the voltage supply is not restored with 6h, the
siren + strobe are activated for 30s.)
PIN 3 0V DC voltage supply
PIN 4 Tamper transistor output
0V = normal state
open / high impedance = tamper
PIN 5 Strobe control 0V DC in case of alarm
(strobe is active when 0V DC signal is present)
PIN 6 Siren address 0V in event of alarm (siren is active is
0V DC signal is present, but only for max. 3 min)
Connected lines of connector clamp strip and RJ-11 socket
Clamp strip RJ-11 socket
1 PIN 2
2 PIN 3
3 PIN 5
4 PIN 6