Terminal identification: power supply board, Power distribution module, Power distribution module(s) – Altronix AL400ULXR Installation Instructions User Manual
Page 5: Fig. 2a fig. 3a, Fig. 2b, Fig. 3b

AL400ULX series
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Terminal Identification:
Power Supply Board
Terminal
Legend
Function/Description
L, G, N
Connect 115VAC 60 Hz. to these terminals: L to hot, N to Neutral, G to ground.
+ DC ---
12VDC @ 4 amp or 24VDC @ 3 amp continuous power limited output.
AC Fail
NC, C, NO
Indicates loss of AC power, e.g. connect to audible device or alarm panel. Relay normally energized
when AC power is present. Contact rating 1 amp @ 28VDC. AC or brownout fail is reported within 1
minute of event. To delay reporting of up to 6 hrs., cut “AC delay” jumper and reset power to unit.
Bat Fail
NC, C, NO
Indicates low battery condition, e.g. connect to alarm panel. Relay normally energized
when DC power is present. Contact rating 1 amp @ 28VDC.
+ BAT ---
Stand-by battery connections. Maximum charge current 0.7 amp.
Power Distribution Module
Terminal Legend PD4UL/PD4ULCB Terminal Legend PD8UL/PD8ULCB Function/Description
1P to 4P
1P to 8P
Normal operating condition.
1N to 4N
1N to 8N
No Power Output.
Power Distribution Module(s):
LED
F1
F2
F3
F4
1P
1N
2P
2N
3P
3N
4P
4N
DC Output to devices
1P-4P Power Outputs,
1N-4N Common Outputs
)
)
From Power Supply
Board
(Factory Installed)
Replace fuses with the same type and rating 3.5A, 250V.
Fig. 2a
Fig. 3a
INPUT
LED
F1
F2
F3
F4
POWER OUTPUTS
1P
1N
2P
2N
3P
3N
4P
4N
DC Output to devices
1P-4P Power Outputs,
1N-4N Common Outputs
From Power Supply
Board
(Factory Installed)
(
)
Fig. 2b
N
COMMON POWER OUTPUTS
P
FUSED POWER OUTPUTS
1
2 3
4
5
6
7
8
D1
INPUT
R1
LED
From Power Supply
Board
(Factory Installed)
Replace fuses with the same type and rating 3.5A, 250V.
DC Output to devices
1P-8P Power Outputs,
1N-8N Common Outputs
(
)
N
COMMON POWER OUTPUTS
P
FUSED POWER OUTPUTS
1
2 3
4
5
6
7
8
D1
INPUT
R1
LED
From Power Supply
Board
(Factory Installed)
DC Output to devices
1P-8P Power Outputs,
1N-8N Common Outputs
(
)
Fig. 3b