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INSTALLATION-DKIKSU& PCB
SECTION lOO-816204
MARCH1993
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-l (see Note). See Figure 4-2 for DK8 KSU
physical dimensions.
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) IftheDK8islessthanonemilefromthecentral
loudness.
off ice (or PBX), set the CO line PAD switches,
SW1 01 and SW201, to the PAD position to
provide a 3db level loss to avoid excessive
NOTE:
Installscrews first to the hard board, and then 4)
Install all optional PCBs per Paragraph 5.
PLASTER
BOARD
HARD BOARD
(l/4
INCH PLYWOOD)
FIGURE 4-1
DK8 KEY SERVICE UNIT WALL MOUNT METHOD
4-1