2
Figure 2
LED-3/4 Wiring Connections
TABLE 2
Terminal Connections
Terminal
Function
24V
DATA
-V
ER
Provides power to circuitry
Serial communication line
Return line
Earth Return
TABLE 3
Maximum Cable Length vs. Wire Size
AWG
Cable Length
14
16
18
2000 feet
2000 feet
1000 feet
Observe the wiring polarity when making con-
nections. Damage may result from incorrect wiring.
Mounting
1. Mount the annunciator semiflush using a
single gang electrical backbox.
2. DO NOT tighten the mounting screws since
the module may have to be removed during
troubleshooting (when looking for activity
from the polling LED, DS17, on the back of
the module.
ON
ON
TB-1
TB-1
+24V
-V
DATA
ER
+24V
-V
DATA
ER
Polling LED
Polling LED
S1
S1
DS17
DS17
Power Limited
To UL listed
SXL-EX
Control Panel
Aux Port TB-3
(Power Limited)
Style 4
Supervised
Positive and Negative
Ground Fault
Detected at <20K for
Terminals on TB-1
3. After the system is tested, tighten the mount-
ing screws.
4. Fill in the appropriate information for each
zone on the card provided.
PROGRAMMING THE SXL-EX SYSTEM
FOR THE LED-3/4 MODULE
Enabling the Program Mode
Enter level 9 of the programming mode.
1.
Press the RESET and DRILL keys at the
same time. The TROUBLE LED lights, and
the letter
E
appears on the seven segment
display.
2.
Enter the password by pressing
the appropriate keys:
ACK = 1
DRILL = 3
RESET = 2 SILENCE = 4
Then press the SILENCE key.
The seven segment display either shows
F,
to
indicate an incorrect password, or
A,
to
indicate that the password is accepted. If the
letter
F
appears, repeat Steps 1 and 2. If the
letter
A
appears, continue to the next step.
3.
Press the ACK key once to enter the Pro-
gram mode. The PROGRAM/TEST LED on
the front panel lights and the seven segment
display shows the letter
P.
