7
[Rear]
10. Functional earth terminal [SIGNAL GND]
Hum noise may be generated when external
equipment is connected to the unit. Connecting
this terminal to the functional earth terminal of the
external equipment may reduce the hum noise.
Note: This terminal is not for protective earth.
11. Fuse holders
Requires an AC fuse.
Ratings: 250 V, T6.3A L
12. DC output terminals
[POWER OUT 19-33V MAX 5A]
DC 33 V max., 5 A max.
Supply DC power to the SX-2000SM or VX-2000
or other DC-operated devices except power
amplifiers.
13. DC output terminal
[POWER OUT 19-33V MAX 25A]
DC 33 V max., 25 A max.
Supplies DC power to power amplifiers or other
DC-operated devices.
14. Fuses
Provided in each DC output.
Type and rating: Blade-Type Fuse 35 A
Remove the protection cover when replacing the fuse.
15. Battery connection terminal
[BATTERY POWER IN]
Connects to the backup sealed lead-acid battery.
Recommended battery:
2 x Panasonic LC-X1265PG/APG
2 x Panasonic LC-XA12100P
2 x Panasonic LC-XB12100P*
2 x Yuasa NP65-12
2 x Yuasa NPL100-12
* Compliant with EN54-4
16. Control connectors [DS LINK IN, OUT]
• DS LINK IN connector
Connects to DS LINK connector of the VX-2000
system, SX-2000 system, or VM-3000 system.
• DS LINK OUT connector
Connects to DS LINK IN connector of a daisy-
chained unit.
Note: This connection is required only when 2
to 4 units are connected to one DS LINK
connector.
17. Fuse holders
The specified AC fuses are incorporated.
Ratings: 250 V, T8A H
18. AC inlet (AC POWER IN)
Connect to power source of 220 - 230 V AC, 50/60
Hz using the supplied power cords.
Connect both AC POWER IN to AC mains power
outlet from single circuit breaker line.
19. DC output terminal
[POWER OUT 24V(16-25V) MAX 0.3A]
DC 24 V max., 0.3 A max.
Supplies DC power to the DC-operated devices
except power amplifiers.
20. Temperature sensor connection terminal
[TEMPERATURE SENSOR]
Detects the ambient temperature of the backup
battery, and performs temperature compensation
for the charging voltage. For the installation
instructions, refer to p. 11.
The temperature sensor has a serial number label
attached to it.
When connecting the temperature sensor to this
terminal, confirm the serial number matches that
of the VX-3150DS.
10
16
Protection cover
12
17
15
13
11
18
TEMPER
ATURE
SENSOR
24V(16-25V)
POWER OUT
MAX 0.3A
IN
OUT
DS LINK
View with the cover removed
14
20
19
20
