Samsung DCS Compact, Installation Manual

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PART 2. INSTALLING OF BASIC KSU AND
E X PA N S I O N K I T
2.1 UNPACKING AND INSPECTION
After unpacking the KSU, inspect for signs of physical damage. If any damage is detected, do not
attempt to install. Contact Samsung Technical Support Department.
Check to see that the KSU carton includes the following items:
Key service unit
4 Central Office Protection (4 COP) card
Wall-mount kit consisting of three screws
RAM pack
Check to see that the EXPANSION KIT carton includes the following:
Expansion backplane
Plastic card rack
Vinyl bag with screws and cables
2.2 KEY SERVICE UNIT INSTA L L AT I O N
The Key Service Unit (KSU) must be wall-mounted. The KSU should be mounted on a polywood
backboard at least 5/8" thick. Attach a mounting screw to the backboard . Next hang the KSU on the
screws and secure it to the backboard with the remaining two screws (see Figure 2–1).
2.3 EXPANSION KIT INSTA L L AT I O N
1. Mount the expansion backplane in the basic KSU and attach it securely with the five screws
supplied. Take care not to over-tighten the screws and damage the PCB (see Figure 2–2).
2. Connect the expansion backplane to the basic KSU by plugging one end of the ribbon cable into
the socket on the KSU motherboard and the other end into the expansion backplane.
NOTE: It is recommended that the ribbon cable be attached to the expansion baseboard before it is
installed in the KSU.
3. Connect the ground wires from the expansion backplane to the connectors on the KSU
m o t h e r b o a r d .
4. Fit the plastic card rack to the basic KSU and secure with the three screws that are supplied. Ta k e
care not to over-tighten the screws and strip the threads (see Figure 2–3).
S A M S U N G D C S I N S T A L L A T I O N
T E C H N I C AL MANUAL A P R I L 1 9 9 6
2–1