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DC Power
Figure 4.
Strap positions 7 and 8 on J3
Supply DC power directly to the power supply jack. DC power supplied
must be +5VDC ±5%, 500mA minimum, center positive, and can be sup-
plied via a barrel type plug with 2.1/5.5/10mm I.D./O.D./Shaft Length
dimensions. For this powering option, set J3 to position 7 and 8 as
shown in figure 4 (factory default).
The 36-60 VDC DC to DC adapter is supplied with the DC version of the
Model 2124/2130. The black and red leads plug into a DC source (nom-
inal 48VDC) and the barrel power connector plugs into the barrel power
supply jack on the 2124/2130. See Figure 5 below. For this powering
option, set J3 to position 7 and 8 as shown in figure 4 (factory default).
DC power (+5VDC) can also be supplied via pins 21 or 25 on the DB-25
connector for the Model 2124. DC power (+5VDC) can also be supplied
via pins 21 or 25 on the DB-25 connector for the Model 2130.
Figure 5.
Connecting DC Power to the 2124/2130 DC Power Supply.
To Power
Supply Jack
To -48VDC
Source
-Vin
+Vin
SWITCHING POWER SUPPLY
MODEL : SYD1106-0505
INPUT : 36-60V 0.2A MAX
OUTPUT : +5V 1.0A
OUTPUT POWER : 5W MAX
S/N: G01234567890
MADE IN CHINA BY SUNNY
Black lead (-V)
Red lead (+V)
Barrel power connector