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4-1
INSTALLATION-DK8 KSU & PCB
SECTION 100-816-204
MARCH 1993
secure the hard board to the wall, making
certain that screws are aligned with studs.
2.10 Mounting Preparation
1) Loosen the screws on the front cover of the
Key Service Unit, and remove the cover (Figure
4-2).
2) Move the SW1 RAM Storage Battery jumper
plug strap on the motherboard to the ON
position (Figure 4-5).
3) If the DK8 is less than one mile from the central
office (or PBX), set the CO line PAD switches,
SW101 and SW201, to the PAD position to
provide a 3db level loss to avoid excessive
loudness.
4) Install all optional PCBs per Paragraph 5.
FIGURE 4-1
DK8 KEY SERVICE UNIT WALL MOUNT METHOD
STUD
PLASTER
BOARD
HARD BOARD
(1/4 INCH PLYWOOD)
DK8 KSU
PART I. KSU INSTALLATION
1 GENERAL
1.00 This chapter provides the instructions nec-
essary to mount the STRATA DK8 Key Service
Unit. Instructions are also provided on how to
remove and replace the power supply.
2 KEY SERVICE UNIT MOUNTING
2.00 Mounting Surface Considerations
2.01 The Key Service Unit (KSU) is designed to be
mounted on a wall or other vertical surface. It is
recommended to use the method shown in Figure
4-1 (see Note). See Figure 4-2 for DK8 KSU
physical dimensions.
NOTE:
Install screws first to the hard board, and then