Section 1 - introduction, 1 scope of manual, 2 general description – KEPCO RA 19-7B Operator Manual User Manual
Page 7: Scope of manual -1, General description -1

RA 19-7B 011409
1-1
SECTION 1 - INTRODUCTION
1.1
SCOPE OF MANUAL
This manual contains instructions for the installation and operation of the RA 19-7B plug-in rack
adapter (Figure 1-1) used with HSF Series power supplies, manufactured by Kepco, Inc., Flush-
ing, New York, U.S.A.
FIGURE 1-1.
1.2
GENERAL DESCRIPTION
Kepco Series RA 19-(X)B rack adapters are specifically designed for the installation of Kepco
HSF Series Power Supplies into 19-inch EIA standard equipment racks. The RA 19-7B Model is
designed to accommodate a mix of 50 or 100 Watt (1/8 rack) and 150 Watt (1/6 rack) HSF
power supplies. Some standard configurations are listed below: (see Table 1-2 for filler panels to
cover unused slots):
• Three 1/6 rack modules (slots 5-7) and up to four 1/8 rack modules (slots 1-4) (Figure 1-
• Four 1/6 rack modules (slots 4-7), one or two 1/8 rack modules (slots 1, 2, slot 3 empty),
and filler panel RFP 19-12
• Two 1/6 rack modules (slots 6,7), up to five 1/8 rack modules (slots 1-5), and filler panel
RFP 19-24
• One 1/6 rack module (slot 7), up to six 1/8 rack modules (slots 1-6) and two filler panels
RFP 19-24
NOTE: Contact Kepco Applications Engineering for assistance with non-standard configura-
tions not listed above.
The rack adapter is user-configurable for parallel, series, or independent power supply opera-
tion. Forced current sharing and OR’ing diodes for N+1 redundancy are built into the HSF power
supplies. User-configurable keying ensures that only the correct power supply can be installed
in a keyed slot.
FIGURE 1-2. RA 19-7B RACK ADAPTER WITH HSF POWER SUPPLIES INSTALLED (TYPICAL)