IBM 2310 Maintenance Manual page 51

Use Voltage (dc) Tolerance Current
Signal Lines
-3V
:1:5%
0.3 Amp
Signal Lines +3V
:1:5%
0.3 Amp
Control Circuits +6V
:1:5%
0.4 Amp
Control ond
+48V
:I:
B"k
3;OAmp
Interlock Circuits
NOTE: To
pre~ent
damage to internal circuits of the 2310 Disk
Storage Drive, the +3 vdc, -3 vdc, and + 6 vdc pawer must be
applied to and removed from the file at the same time. The
+48 vdc power must never be applied without all other dc
voltages being present.
Figure 5-3. DC Power Inputs
5.2